Overall Orange Volcanic eruption for Krakatau in Indonesia on 04 Sep 2026 21:00 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve awareness, information exchange and coordination in the first phase after major sudden-onset disasters.

Overall Orange Volcanic eruption for Krakatau

in Indonesia

Volcano Ash Advisories for air traffic

Although Volcano Ash Advisories (VAAC) are not intended for assessing humanitarian impact, the observations of the plume are relevant for understanding local impact. The actual impact (like ash fall) depends on the type of eruption and is not known.

Click on the messages list to visualize on the right the detailed text.

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)

08/09 17:30 2026-202 DARWIN

08/09 11:30 2026-201 DARWIN

08/09 05:30 2026-200 DARWIN

07/09 23:30 2026-199 DARWIN

07/09 17:30 2026-198 DARWIN

07/09 14:30 2026-197 DARWIN

07/09 11:30 2026-196 DARWIN

07/09 08:30 2026-195 DARWIN

07/09 05:30 2026-194 DARWIN

07/09 02:30 2026-193 DARWIN

06/09 23:30 2026-192 DARWIN

06/09 20:10 2026-191 DARWIN

06/09 17:30 2026-190 DARWIN

06/09 14:30 2026-189 DARWIN

06/09 11:30 2026-188 DARWIN

06/09 09:10 2026-187 DARWIN

06/09 06:30 2026-185 DARWIN

06/09 06:30 2026-186 DARWIN

06/09 03:30 2026-184 DARWIN

06/09 00:30 2026-183 DARWIN

05/09 22:30 2026-182 DARWIN

05/09 20:30 2026-181 DARWIN

05/09 18:30 2026-180 DARWIN

05/09 16:30 2026-179 DARWIN

05/09 14:30 2026-178 DARWIN

05/09 12:30 2026-177 DARWIN

05/09 10:30 2026-176 DARWIN

05/09 08:30 2026-175 DARWIN

05/09 06:30 2026-174 DARWIN

Volcanic Ash Advisory issued on 2026-09-08 at 17:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 70 (2100m) last observation before a break in coverage at a manual station observation at 07 1110 UTC move south.
Volcanic ash not detected on current satellite imagery due to meteorological cloud and darkness, last observation before a break in coverage at a manual station observation move south. Ongoing low level volcanic ash emissions possible. Volcanic ash height and forecast movement based on satellite imagery and model guidance.

Original Message :

Received FVAU04 at 17:31 UTC, 08/09/26 from ADRM
VA ADVISORY
DTG: 20260908/1730Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/202
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 LAST OBS AT 07/1110Z MOV S
EST VA DTG: 08/1710Z
EST VA CLD: SFC/FL070 S0600 E10541 - S0705 E10536 - S0706 E10431 - S0617 E10433 - S0553 E10507 MOV S 05KT
E10431 - S0617 E10433 - S0553 E10507 MOV S 05KT
FCST VA CLD +6 HR: 08/2310Z SFC/FL070 S0555 E10520 - S0600 E10542 - S0705 E10537 - S0706 E10431 - S0632 E10432
E10542 - S0705 E10537 - S0706 E10431 - S0632 E10432
FCST VA CLD +12 HR: 09/0510Z SFC/FL070 S0554 E10518 - S0600 E10542 - S0705 E10535 - S0706 E10433 - S0635 E10435
E10542 - S0705 E10535 - S0706 E10433 - S0635 E10435
FCST VA CLD +18 HR: 09/1110Z SFC/FL070 S0556 E10517 - S0557 E10540 - S0704 E10540 - S0705 E10432 - S0629 E10437
E10540 - S0704 E10540 - S0705 E10432 - S0629 E10437
RMK: VA NOT DETECTED ON CURRENT SATELLITE IMAGERY DUE TO MET
CLOUD AND DARKNESS, LAST OBS MOV S. ONGOING LOW LEVEL VA
EMISSIONS POSSIBLE. VA HEIGHT AND FORECAST MOVEMENT BASED ON
SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260908/2330Z=

Volcanic Ash Advisory issued on 2026-09-08 at 11:30 UTC.

Key information extracted from original VAA message :

Volcanic ash emission to flight level 70 (2100m) observation at 07 1110 UTC move south.
Volcanic ash to flight level 70 (2100m) move south identifiable on current satellite img. Volcanic ash eruptive activity at the volcano has decreased. Volcanic ash height and forecast movement based on satellite imagery and model guidance.

Original Message :

Received FVAU04 at 11:32 UTC, 08/09/26 from ADRM
VA ADVISORY
DTG: 20260908/1130Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/201
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA EMISSION TO FL070 OBS AT 07/1110Z MOV S
OBS VA DTG: 08/1110Z
OBS VA CLD: SFC/FL070 S0557 E10517 - S0602 E10538 - S0735 E10539 - S0735 E10456 - S0655 E10438 MOV S 10KT
E10539 - S0735 E10456 - S0655 E10438 MOV S 10KT
FCST VA CLD +6 HR: 08/1710Z SFC/FL070 S0554 E10519 - S0600 E10541 - S0735 E10539 - S0735 E10444 - S0637 E10427
E10541 - S0735 E10539 - S0735 E10444 - S0637 E10427
FCST VA CLD +12 HR: 08/2310Z SFC/FL070 S0555 E10520 - S0600 E10542 - S0716 E10533 - S0716 E10436 - S0637 E10427
E10542 - S0716 E10533 - S0716 E10436 - S0637 E10427
FCST VA CLD +18 HR: 09/0510Z SFC/FL070 S0554 E10518 - S0600 E10542 - S0717 E10534 - S0717 E10435 - S0636 E10426
E10542 - S0717 E10534 - S0717 E10435 - S0636 E10426
RMK: VA TO FL070 MOV S IDENTIFIABLE ON CURRENT SAT IMG. VA
ERUPTIVE ACTIVITY AT THE VOLCANO HAS DECREASED. VA HEIGHT
AND FORECAST MOVEMENT BASED ON SATELLITE IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260908/1730Z=

Volcanic Ash Advisory issued on 2026-09-08 at 05:30 UTC.

Key information extracted from original VAA message :

Continuous emission to flight level 70 (2100m) observation at 07 0510 UTC move southwest.
Continuous volcanic ash to flight level 70 (2100m) move southwest identifiable on current satellite img. Volcanic ash to flight level 150 (4500m) from earlier eruption has dissipated. Volcanic ash height and forecast move based on satellite and model guidance.

Original Message :

Received FVAU04 at 05:28 UTC, 08/09/26 from ADRM
VA ADVISORY
DTG: 20260908/0530Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/200
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: CONTINUOUS EMISSION TO FL070 OBS AT
07/0510Z MOV SW
OBS VA DTG: 08/0510Z
OBS VA CLD: SFC/FL070 S0546 E10520 - S0558 E10545 - S0714 E10532 - S0719 E10440 - S0619 E10403 MOV SW 15KT
E10532 - S0719 E10440 - S0619 E10403 MOV SW 15KT
FCST VA CLD +6 HR: 08/1110Z SFC/FL070 S0556 E10542 - S0713 E10532 - S0710 E10443 - S0617 E10406 - S0544 E10526
E10532 - S0710 E10443 - S0617 E10406 - S0544 E10526
FCST VA CLD +12 HR: 08/1710Z SFC/FL070 S0557 E10541 - S0716 E10533 - S0717 E10436 - S0619 E10405 - S0540 E10523
E10533 - S0717 E10436 - S0619 E10405 - S0540 E10523
FCST VA CLD +18 HR: 08/2310Z SFC/FL070 S0548 E10525 - S0558 E10543 - S0707 E10534 - S0709 E10447 - S0627 E10411
E10543 - S0707 E10534 - S0709 E10447 - S0627 E10411
RMK: CONTINUOUS VA TO FL070 MOV SW IDENTIFIABLE ON CURRENT
SAT IMG. VA TO FL150 FROM EARLIER ERUPTION HAS DISSIPATED.
VA HEIGHT AND FORECAST MOV BASED ON SATELLITE AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260908/1130Z=

Volcanic Ash Advisory issued on 2026-09-07 at 23:30 UTC.

Key information extracted from original VAA message :

Continuous emission to flight level 70 (2100m) observation at 07 2310 UTC move southwest.
Continuous volcanic ash to flight level 70 (2100m) move ssw identifiable on current satellite img. Volcanic ash to flight level 150 (4500m) from earlier eruption has dissipated. Volcanic ash height and forecast move based on satellite and model guidance.

Original Message :

Received FVAU04 at 23:25 UTC, 07/09/26 from ADRM
VA ADVISORY
DTG: 20260907/2330Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/199
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: CONTINUOUS EMISSION TO FL070 OBS AT
07/2310Z MOV SW
OBS VA DTG: 07/2310Z
OBS VA CLD: SFC/FL070 S0600 E10541 - S0832 E10519 - S0820 E10341 - S0630 E10259 - S0545 E10524 MOV SW 15KT
E10341 - S0630 E10259 - S0545 E10524 MOV SW 15KT
FCST VA CLD +6 HR: 08/0510Z SFC/FL070 S0546 E10523 - S0558 E10545 - S0812 E10523 - S0751 E10350 - S0618 E10309
E10545 - S0812 E10523 - S0751 E10350 - S0618 E10309
FCST VA CLD +12 HR: 08/1110Z SFC/FL070 S0556 E10542 - S0747 E10533 - S0743 E10404 - S0601 E10343 - S0542 E10523
E10533 - S0743 E10404 - S0601 E10343 - S0542 E10523
FCST VA CLD +18 HR: 08/1710Z SFC/FL070 S0557 E10541 - S0748 E10528 - S0744 E10407 - S0622 E10340 - S0540 E10523
E10528 - S0744 E10407 - S0622 E10340 - S0540 E10523
RMK: CONTINUOUS VA TO FL070 MOV SSW IDENTIFIABLE ON CURRENT
SAT IMG. VA TO FL150 FROM EARLIER ERUPTION HAS DISSIPATED.
VA HEIGHT AND FORECAST MOV BASED ON SATELLITE AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260908/0530Z=

Volcanic Ash Advisory issued on 2026-09-07 at 17:30 UTC.

Key information extracted from original VAA message :

Continuous emission to flight level 60 (1800m) at 07 1710 UTC.
Continuous volcanic ash to flight level 60 (1800m) move ssw. Volcanic ash to flight level 150 (4500m) from earlier eruption has dissipated. Volcanic ash height and forecast move based on satellite and model guidance.

Original Message :

Received FVAU04 at 17:27 UTC, 07/09/26 from ADRM
VA ADVISORY
DTG: 20260907/1730Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/198
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: CONTINUOUS EMISSION TO FL060 AT 07/1710Z
OBS VA DTG: 07/1710Z
OBS VA CLD: SFC/FL060 S0601 E10540 - S0925 E10504 - S0906 E10356 - S0610 E10427 - S0546 E10525 MOV SW 15KT
E10356 - S0610 E10427 - S0546 E10525 MOV SW 15KT
FCST VA CLD +6 HR: 07/2310Z SFC/FL060 S0600 E10541 - S0831 E10511 - S0820 E10408 - S0649 E10312 - S0545 E10524
E10511 - S0820 E10408 - S0649 E10312 - S0545 E10524
FCST VA CLD +12 HR: 08/0510Z SFC/FL060 S0602 E10540 - S0808 E10517 - S0759 E10421 - S0625 E10335 - S0546 E10523
E10517 - S0759 E10421 - S0625 E10335 - S0546 E10523
FCST VA CLD +18 HR: 08/1110Z SFC/FL060 S0600 E10540 - S0731 E10513 - S0716 E10416 - S0604 E10349 - S0544 E10523
E10513 - S0716 E10416 - S0604 E10349 - S0544 E10523
RMK: CONTINUOUS VA TO FL060 MOV SSW. VA TO FL150 FROM
EARLIER ERUPTION HAS DISSIPATED. VA HEIGHT AND FORECAST MOV
BASED ON SATELLITE AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260907/2330Z=

Volcanic Ash Advisory issued on 2026-09-07 at 14:30 UTC.

Key information extracted from original VAA message :

Volcanic ash observation to flight level 150 (4500m) continuous emission to flight level 60 (1800m).
Continuous volcanic ash to flight level 60 (1800m) move ssw. Remnants from earlier flight level 150 (4500m) eruption detected to the northwest, expected to dissipate in volcanic ash hght and fcast based on satellite and model guidance.

Original Message :

Received FVAU04 at 14:30 UTC, 07/09/26 from ADRM
VA ADVISORY
DTG: 20260907/1430Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/197
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA OBS TO FL150. CONTINUOUS EMISSION TO
FL060
OBS VA DTG: 07/1410Z
OBS VA CLD: SFC/FL150 S0612 E10548 - S0856 E10514 - S0856 E10408 - S0713 E10306 - S0508 E10350 - S0455 E10522 MOV SW 15KT
15KT
FCST VA CLD +6 HR: 07/2010Z SFC/FL150 S0609 E10548 - S0910 E10534 - S0911 E10407 - S0710 E10304 - S0507 E10352 - S0455 E10524
E10524
FCST VA CLD +12 HR: 08/0210Z SFC/FL060 S0600 E10541 - S0842 E10518 - S0842 E10414 - S0700 E10309 - S0545 E10524
E10518 - S0842 E10414 - S0700 E10309 - S0545 E10524
FCST VA CLD +18 HR: 08/0810Z SFC/FL060 S0602 E10540 - S0811 E10517 - S0812 E10424 - S0628 E10333 - S0546 E10523
E10517 - S0812 E10424 - S0628 E10333 - S0546 E10523
RMK: CONTINUOUS VA TO FL060 MOV SSW. REMNANTS FROM EARLIER
FL150 ERUPTION DETECTED TO THE NORTHWEST, EXPECTED TO
DISSIPATE IN 3-9HRS. VA HGHT AND FCAST BASED ON SATELLITE
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260907/1730Z=

Volcanic Ash Advisory issued on 2026-09-07 at 11:30 UTC.

Key information extracted from original VAA message :

Volcanic ash observation to flight level 150 (4500m) continuous emission to flight level 60 (1800m).
Volcanic ash to flight level 500 (15000m) no longer discernible. Continuous volcanic ash to flight level 60 (1800m) move southwest. Remnants from earlier flight level 150 (4500m) eruption detected to the northwest, expected to dissipate in 6-12hrs. Volcanic ash hght and fcast based on satellite and model guidance.

Original Message :

Received FVAU04 at 11:29 UTC, 07/09/26 from ADRM
VA ADVISORY
DTG: 20260907/1130Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/196
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA OBS TO FL150. CONTINUOUS EMISSION TO
FL060
OBS VA DTG: 07/1110Z
OBS VA CLD: SFC/FL150 S0635 E10546 - S0837 E10504 - S0658 E10158 - S0555 E10217 - S0458 E10503 - S0511 E10536 MOV SW 10KT
10KT
FCST VA CLD +6 HR: 07/1710Z SFC/FL150 S0516 E10538 - S0658 E10541 - S0856 E10523 - S0744 E10256 - S0553 E10233 - S0456 E10511
E10511
FCST VA CLD +12 HR: 07/2310Z SFC/FL060 S0600 E10541 - S0833 E10500 - S0656 E10252 - S0545 E10524
E10500 - S0656 E10252 - S0545 E10524
FCST VA CLD +18 HR: 08/0510Z SFC/FL060 S0602 E10540 - S0805 E10500 - S0632 E10317 - S0546 E10523
E10500 - S0632 E10317 - S0546 E10523
RMK: VA TO FL500 NO LONGER DISCERNIBLE. CONTINUOUS VA TO
FL060 MOV SW. REMNANTS FROM EARLIER FL150 ERUPTION DETECTED
TO THE NORTHWEST, EXPECTED TO DISSIPATE IN 6-12HRS. VA HGHT
AND FCAST BASED ON SATELLITE AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260907/1430Z=

Volcanic Ash Advisory issued on 2026-09-07 at 08:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move sw, volcanic ash to flight level 150 (4500m) move southwest.
High level volcanic ash to flight level 500 (15000m) detached from volcano and moving sw, expected to dissipate 6-12 continuous volcanic ash to flight level 150 (4500m) move southwest with remnants from earlier eruption detected to the north. Volcanic ash hght and fcast based on satellite img and model guidance.

Original Message :

Received FVAU04 at 08:27 UTC, 07/09/26 from ADRM
VA ADVISORY
DTG: 20260907/0830Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/195
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV SW, VA TO FL150 MOV SW
OBS VA DTG: 07/0810Z
OBS VA CLD: SFC/FL150 S0548 E10608 - S0816 E10523 - S0613 E10229 - S0457 E10355 - S0454 E10548 MOV SW 10KT SFC/FL500 S1556 E09223 - S2154 E08827 - S1728 E07936 - S0937 E07707 - S0809 E08353 - S1334 E08716 MOV SW 20KT
S0809 E08353 - S1334 E08716 MOV SW 20KT
FCST VA CLD +6 HR: 07/1410Z SFC/FL150 S0644 E10554 - S0836 E10519 - S0627 E10155 - S0512 E10354 - S0518 E10549 SFC/FL500 S1725 E09242 - S2247 E08815 - S1756 E07907 - S1026 E07652 - S0842 E08323 - S1410 E08643
E07652 - S0842 E08323 - S1410 E08643
FCST VA CLD +12 HR: 07/2010Z SFC/FL150 S0605 E10556 - S0856 E10523 - S0744 E10256 - S0540 E10250 - S0524 E10528
E10523 - S0744 E10256 - S0540 E10250 - S0524 E10528
FCST VA CLD +18 HR: 08/0210Z SFC/FL150 S0601 E10554 - S0905 E10520 - S0810 E10246 - S0545 E10238 - S0529 E10524
E10520 - S0810 E10246 - S0545 E10238 - S0529 E10524
RMK: HIGH LEVEL VA TO FL500 DETACHED FROM VOLCANO AND MOVING
SW, EXPECTED TO DISSIPATE WITHIN 6-12 HOURS. CONTINUOUS VA
TO FL150 MOV SW WITH REMNANTS FROM EARLIER ERUPTION DETECTED
TO THE NORTH. VA HGHT AND FCAST BASED ON SAT IMG AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260907/1130Z=

Volcanic Ash Advisory issued on 2026-09-07 at 05:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move sw, volcanic ash to flight level 150 (4500m) move southwest.
High level volcanic ash to flight level 500 (15000m) detached from volcano and moving sw, expected to dissipate 12-18 continuous volcanic ash to flight level 150 (4500m) move southwest with remnants from earlier eruption spreading radially from summit. Volcanic ash hght and fcast based on satellite img and model guidance.

Original Message :

Received FVAU04 at 05:26 UTC, 07/09/26 from ADRM
VA ADVISORY
DTG: 20260907/0530Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/194
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV SW, VA TO FL150 MOV SW
OBS VA DTG: 07/0510Z
OBS VA CLD: SFC/FL150 S0321 E10551 - S0615 E10915 - S0913 E10609 - S0640 E10045 - S0411 E10234 MOV SW 10KT SFC/FL500 S1450 E09444 - S2148 E09053 - S1650 E07955 - S0838 E07727 - S0803 E08405 - S1259 E08808 MOV SW 20KT
S0803 E08405 - S1259 E08808 MOV SW 20KT
FCST VA CLD +6 HR: 07/1110Z SFC/FL150 S0331 E10552 - S0619 E10939 - S0919 E10552 - S0641 E10044 - S0415 E10227 SFC/FL500 S1556 E09433 - S2239 E09106 - S1728 E07936 - S0937 E07707 - S0809 E08353 - S1334 E08716
E07707 - S0809 E08353 - S1334 E08716
FCST VA CLD +12 HR: 07/1710Z SFC/FL150 S0318 E10552 - S0620 E10951 - S0933 E10600 - S0643 E10032 - S0414 E10227 SFC/FL500 S1640 E09437 - S2329 E09157 - S1756 E07907 - S1026 E07652 - S0842 E08323 - S1410 E08643
E07652 - S0842 E08323 - S1410 E08643
FCST VA CLD +18 HR: 07/2310Z SFC/FL150 S0324 E10554 - S0617 E10946 - S0927 E10556 - S0639 E10019 - S0414 E10235
E10946 - S0927 E10556 - S0639 E10019 - S0414 E10235
RMK: HIGH LEVEL VA TO FL500 DETACHED FROM VOLCANO AND MOVING
SW, EXPECTED TO DISSIPATE WITHIN 12-18 HOURS. CONTINUOUS VA
TO FL150 MOV SW WITH REMNANTS FROM EARLIER ERUPTION
SPREADING RADIALLY FROM SUMMIT. VA HGHT AND FCAST BASED ON
SAT IMG AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260907/0830Z=

Volcanic Ash Advisory issued on 2026-09-07 at 02:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move sw, volcanic ash to flight level 150 (4500m) move w.
High level volcanic ash to flight level 500 (15000m) detached from volcano and moving sw, expected to dissipate 12-18 continuous volcanic ash to flight level 150 (4500m) move w with remnants from earlier eruption spreading radially from summit. Volcanic ash height and fcast based on satellite img and model guidance.

Original Message :

Received FVAU04 at 02:27 UTC, 07/09/26 from ADRM
VA ADVISORY
DTG: 20260907/0230Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/193
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV SW, VA TO FL150 MOV W
OBS VA DTG: 07/0210Z
OBS VA CLD: SFC/FL150 S0348 E10618 - S0629 E10845 - S0905 E10612 - S0608 E10004 - S0427 E10225 MOV W 15KT SFC/FL500 S1443 E09338 - S2219 E09432 - S2019 E08406 - S1010 E07903 - S0807 E08423 - S1229 E08920 MOV SW 15KT
S0807 E08423 - S1229 E08920 MOV SW 15KT
FCST VA CLD +6 HR: 07/0810Z SFC/FL150 S0321 E10551 - S0619 E10938 - S0921 E10614 - S0616 E10019 - S0411 E10234 SFC/FL500 S1503 E09424 - S2254 E09445 - S2129 E08259 - S1145 E07833 - S0848 E08358 - S1307 E08713
E07833 - S0848 E08358 - S1307 E08713
FCST VA CLD +12 HR: 07/1410Z SFC/FL150 S0331 E10552 - S0619 E10939 - S0919 E10552 - S0615 E09942 - S0415 E10227 SFC/FL500 S1528 E09455 - S2348 E09523 - S2300 E08208 - S1318 E07801 - S0912 E08350 - S1407 E08654
E07801 - S0912 E08350 - S1407 E08654
FCST VA CLD +18 HR: 07/2010Z SFC/FL150 S0318 E10552 - S0620 E10951 - S0933 E10600 - S0616 E09953 - S0414 E10227
E10951 - S0933 E10600 - S0616 E09953 - S0414 E10227
RMK: HIGH LEVEL VA TO FL500 DETACHED FROM VOLCANO AND MOVING
SW, EXPECTED TO DISSIPATE WITHIN 12-18 HOURS. CONTINUOUS VA
TO FL150 MOV W WITH REMNANTS FROM EARLIER ERUPTION SPREADING
RADIALLY FROM SUMMIT. VA HEIGHT AND FCAST BASED ON SAT IMG
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260907/0530Z=

Volcanic Ash Advisory issued on 2026-09-06 at 23:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move sw, volcanic ash to flight level 150 (4500m) move w.
High level volcanic ash to flight level 500 (15000m) is detached from the volcano and moving southwest. Continuous volcanic ash emission to flight level 150 (4500m) move w with remnants from earlier eruption spreading radially from summit. Volcanic ash height and forecast based on satellite imagery and model guidance.

Original Message :

Received FVAU04 at 23:25 UTC, 06/09/26 from ADRM
VA ADVISORY
DTG: 20260906/2330Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/192
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV SW, VA TO FL150 MOV W
OBS VA DTG: 06/2310Z
OBS VA CLD: SFC/FL150 S0218 E10434 - S0614 E10933 - S1111 E10648 - S0559 E09813 - S0300 E09757 MOV W 15KT SFC/FL500 S1205 E09653 - S2025 E09704 - S1752 E08132 - S0923 E07522 - S0347 E08153 - S1121 E09004 MOV SW 20KT
S0347 E08153 - S1121 E09004 MOV SW 20KT
FCST VA CLD +6 HR: 07/0510Z SFC/FL150 S0612 E10935 - S1107 E10650 - S0553 E09823 - S0300 E09748 - S0154 E10422 SFC/FL500 S1423 E09548 - S2111 E09823 - S1912 E08033 - S1032 E07602 - S0450 E08038 - S1229 E08920
E07602 - S0450 E08038 - S1229 E08920
FCST VA CLD +12 HR: 07/1110Z SFC/FL150 S0619 E10938 - S1104 E10651 - S0551 E09828 - S0257 E09751 - S0130 E10403 SFC/FL500 S1539 E09628 - S2215 E09921 - S2033 E07940 - S1100 E07506 - S0606 E07937 - S1307 E08713
E07506 - S0606 E07937 - S1307 E08713
FCST VA CLD +18 HR: 07/1710Z SFC/FL150 S0619 E10939 - S1120 E10643 - S0556 E09815 - S0249 E09746 - S0115 E10356 SFC/FL500 S1640 E09644 - S2245 E09850 - S2222 E07942 - S1403 E07553 - S0816 E07909 - S1410 E08633
E07553 - S0816 E07909 - S1410 E08633
RMK: HIGH LEVEL VA TO FL500 IS DETACHED FROM THE VOLCANO AND
MOVING SW. CONTINUOUS VA EMISSION TO FL150 MOV W WITH
REMNANTS FROM EARLIER ERUPTION SPREADING RADIALLY FROM
SUMMIT. VA HEIGHT AND FORECAST BASED ON SATELLITE IMAGERY
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260907/0230Z=

Volcanic Ash Advisory issued on 2026-09-06 at 20:10 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move sw, volcanic ash to flight level 150 (4500m) move w.
High level volcanic ash to flight level 500 (15000m) is detached from the volcano and moving southwest. Continuous volcanic ash emission to flight level 150 (4500m) move w, with remnants of volcanic ash from earlier eruption still present. Volcanic ash height and forecast based on satellite imagery and model guidance.

Original Message :

Received FVAU04 at 20:25 UTC, 06/09/26 from ADRM
VA ADVISORY
DTG: 20260906/2010Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/191
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV SW, VA TO FL150 MOV W
OBS VA DTG: 06/2030Z
OBS VA CLD: SFC/FL150 S0243 E10449 - S0614 E10933 - S1113 E10650 - S0559 E09827 - S0304 E09755 MOV W 05KT SFC/FL500 S1205 E09655 - S2101 E09856 - S1908 E08322 - S1058 E07619 - S0439 E08156 - S1030 E08848 MOV SW 20KT
S0439 E08156 - S1030 E08848 MOV SW 20KT
FCST VA CLD +6 HR: 07/0230Z SFC/FL150 S0218 E10434 - S0614 E10933 - S1111 E10648 - S0555 E09823 - S0300 E09757 SFC/FL500 S1447 E09602 - S2109 E09843 - S1936 E08050 - S1100 E07530 - S0512 E08116 - S1129 E08842
E07530 - S0512 E08116 - S1129 E08842
FCST VA CLD +12 HR: 07/0830Z SFC/FL150 S0612 E10935 - S1107 E10650 - S0553 E09823 - S0300 E09748 - S0154 E10422 SFC/FL500 S1500 E09559 - S2155 E09918 - S2016 E07933 - S1123 E07533 - S0535 E08011 - S1228 E08854
E07533 - S0535 E08011 - S1228 E08854
FCST VA CLD +18 HR: 07/1430Z SFC/FL150 S0619 E10938 - S1104 E10651 - S0551 E09828 - S0257 E09751 - S0130 E10403 SFC/FL500 S1533 E09611 - S2124 E09911 - S2025 E07812 - S1214 E07509 - S0632 E07852 - S1303 E08646
E07509 - S0632 E07852 - S1303 E08646
RMK: HIGH LEVEL VA TO FL500 IS DETACHED FROM THE VOLCANO AND
MOVING SW. CONTINUOUS VA EMISSION TO FL150 MOV W, WITH
REMNANTS OF VA FROM EARLIER ERUPTION STILL PRESENT. VA
HEIGHT AND FORECAST BASED ON SATELLITE IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260906/2330Z=

Volcanic Ash Advisory issued on 2026-09-06 at 17:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move sw, volcanic ash to flight level 150 (4500m) move se.
High level volcanic ash to flight level 500 (15000m) is detached from the volcano and moving southwest. Continuous volcanic ash emission to flight level 150 (4500m) move se, with remnants of volcanic ash from earlier eruption still present. Volcanic ash height and forecast based on satellite imagery and model guidance.

Original Message :

Received FVAU04 at 17:27 UTC, 06/09/26 from ADRM
VA ADVISORY
DTG: 20260906/1730Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/190
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV SW, VA TO FL150 MOV SE
OBS VA DTG: 06/1710Z
OBS VA CLD: SFC/FL150 S0302 E10503 - S0614 E10937 - S1119 E10646 - S0559 E09821 - S0301 E09747 MOV SE 05KT SFC/FL500 S1118 E09755 - S2021 E09914 - S1824 E08354 - S1015 E07811 - S0421 E08306 - S0429 E09003 MOV SW 20KT
S0421 E08306 - S0429 E09003 MOV SW 20KT
FCST VA CLD +6 HR: 06/2310Z SFC/FL150 S0243 E10449 - S0614 E10933 - S1113 E10650 - S0559 E09827 - S0304 E09755 SFC/FL500 S1132 E09751 - S2041 E09854 - S1843 E08354 - S1005 E07726 - S0439 E08156 - S0443 E08936
E07726 - S0439 E08156 - S0443 E08936
FCST VA CLD +12 HR: 07/0510Z SFC/FL150 S0218 E10434 - S0614 E10933 - S1111 E10648 - S0555 E09823 - S0300 E09757 SFC/FL500 S1130 E09751 - S2103 E09813 - S1901 E08332 - S1019 E07642 - S0452 E08054 - S0446 E08940
E07642 - S0452 E08054 - S0446 E08940
FCST VA CLD +18 HR: 07/1110Z SFC/FL150 S0612 E10935 - S1107 E10650 - S0553 E09823 - S0300 E09748 - S0154 E10422 SFC/FL500 S1125 E09742 - S2108 E09743 - S1909 E08235 - S1015 E07555 - S0427 E08102 - S0443 E08931
E07555 - S0427 E08102 - S0443 E08931
RMK: HIGH LEVEL VA TO FL500 IS DETACHED FROM THE VOLCANO AND
MOVING SW. CONTINUOUS VA EMISSION TO FL150 MOV SE, WITH
REMNANTS OF VA FROM EARLIER ERUPTION STILL PRESENT. VA
HEIGHT AND FORECAST BASED ON SATELLITE IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260906/2030Z=

Volcanic Ash Advisory issued on 2026-09-06 at 14:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move sw, volcanic ash to flight level 150 (4500m) move se.
High level volcanic ash to flight level 500 (15000m) is detached from the volcano and moving southwest. Continuous volcanic ash emission to flight level 150 (4500m) move se, with remnants of volcanic ash from earlier eruption still present. Volcanic ash height and forecast based on satellite imagery and model guidance.

Original Message :

Received FVAU04 at 14:26 UTC, 06/09/26 from ADRM
VA ADVISORY
DTG: 20260906/1430Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/189
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV SW, VA TO FL150 MOV SE
OBS VA DTG: 06/1410Z
OBS VA CLD: SFC/FL150 S0320 E10503 - S0613 E10927 - S1111 E10619 - S0551 E09823 - S0304 E09801 MOV SE 05KT SFC/FL500 S1114 E09750 - S1957 E09708 - S1742 E08358 - S1017 E07920 - S0402 E08447 - S0419 E08950 MOV SW 10KT
S0402 E08447 - S0419 E08950 MOV SW 10KT
FCST VA CLD +6 HR: 06/2010Z SFC/FL150 S0318 E10509 - S0614 E10932 - S1108 E10632 - S0559 E09821 - S0301 E09747 SFC/FL500 S1118 E09755 - S2028 E09703 - S1824 E08354 - S1023 E07841 - S0424 E08331 - S0429 E09003
E07841 - S0424 E08331 - S0429 E09003
FCST VA CLD +12 HR: 07/0210Z SFC/FL150 S0243 E10449 - S0618 E10927 - S1110 E10636 - S0559 E09827 - S0304 E09755 SFC/FL500 S1132 E09751 - S2045 E09656 - S1843 E08354 - S1019 E07756 - S0443 E08228 - S0443 E08936
E07756 - S0443 E08228 - S0443 E08936
FCST VA CLD +18 HR: 07/0810Z SFC/FL150 S0218 E10434 - S0614 E10923 - S1059 E10638 - S0555 E09823 - S0300 E09757 SFC/FL500 S1130 E09751 - S2055 E09654 - S1857 E08323 - S1025 E07720 - S0500 E08150 - S0446 E08940
E07720 - S0500 E08150 - S0446 E08940
RMK: HIGH LEVEL VA TO FL500 IS DETACHED FROM THE VOLCANO AND
MOVING SW. CONTINUOUS VA EMISSION TO FL150 MOV SE, WITH
REMNANTS OF VA FROM EARLIER ERUPTION STILL PRESENT. VA
HEIGHT AND FORECAST BASED ON SATELLITE IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260906/1730Z=

Volcanic Ash Advisory issued on 2026-09-06 at 11:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move sw, volcanic ash to flight level 150 (4500m) move e.
High level volcanic ash to flight level 500 (15000m) is detached from the volcano and moving southwest. Continuous volcanic ash emission to flight level 150 (4500m) move e, with remnants of volcanic ash from earlier eruption still present. Volcanic ash height and forecast based on satellite imagery and model guidance.

Original Message :

Received FVAU04 at 11:25 UTC, 06/09/26 from ADRM
VA ADVISORY
DTG: 20260906/1130Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/188
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV SW, VA TO FL150 MOV E
OBS VA DTG: 06/1110Z
OBS VA CLD: SFC/FL150 S0347 E10528 - S0614 E10926 - S1108 E10633 - S0709 E09812 - S0302 E09757 MOV E 05KT SFC/FL500 S0945 E09849 - S2030 E09709 - S1757 E08453 - S1027 E08001 - S0354 E08434 - S0348 E09101 MOV SW 10KT
S0354 E08434 - S0348 E09101 MOV SW 10KT
FCST VA CLD +6 HR: 06/1710Z SFC/FL150 S0320 E10503 - S0613 E10927 - S1110 E10635 - S0712 E09821 - S0304 E09801 SFC/FL500 S1009 E09847 - S2051 E09633 - S1839 E08440 - S1017 E07920 - S0402 E08447 - S0349 E09105
E07920 - S0402 E08447 - S0349 E09105
FCST VA CLD +12 HR: 06/2310Z SFC/FL150 S0318 E10509 - S0614 E10932 - S1108 E10632 - S0706 E09818 - S0301 E09747 SFC/FL500 S0955 E09838 - S2122 E09647 - S1905 E08420 - S1023 E07841 - S0401 E08437 - S0404 E09114
E07841 - S0401 E08437 - S0404 E09114
FCST VA CLD +18 HR: 07/0510Z SFC/FL150 S0308 E10508 - S0618 E10927 - S1110 E10636 - S0708 E09820 - S0301 E09753 SFC/FL500 S1003 E09838 - S2136 E09644 - S1916 E08406 - S1029 E07832 - S0407 E08443 - S0352 E09111
E07832 - S0407 E08443 - S0352 E09111
RMK: HIGH LEVEL VA TO FL500 IS DETACHED FROM THE VOLCANO AND
MOVING SW. CONTINUOUS VA EMISSION TO FL150 MOV E, WITH
REMNANTS OF VA FROM EARLIER ERUPTION STILL PRESENT. VA
HEIGHT AND FORECAST BASED ON SATELLITE IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260906/1430Z=

Volcanic Ash Advisory issued on 2026-09-06 at 09:10 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move sw, volcanic ash to flight level 120 (3600m) move w.
High level volcanic ash to flight level 500 (15000m) is now detached from the volcano and moving southwest. Continuous volcanic ash emission to flight level 150 (4500m) move w, with remnants of volcanic ash from earlier eruption drifting e. Volcanic ash height and forecast based on satellite imagery and model guidance.

Original Message :

Received FVAU04 at 09:26 UTC, 06/09/26 from ADRM
VA ADVISORY
DTG: 20260906/0910Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/187
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV SW, VA TO FL120 MOV W
OBS VA DTG: 06/0930Z
OBS VA CLD: SFC/FL150 S0446 E10758 - S0633 E10915 - S1141 E10600 - S1006 E09849 - S0317 E09718 MOV E 05KT SFC/FL500 S1033 E09853 - S2135 E09613 - S1734 E08131 - S1043 E07906 - S0149 E08639 - S0149 E09653 MOV SW 10KT
S0149 E08639 - S0149 E09653 MOV SW 10KT
FCST VA CLD +6 HR: 06/1530Z SFC/FL150 S0425 E10550 - S0615 E10921 - S1037 E10629 - S0954 E09901 - S0331 E09559 SFC/FL500 S0945 E09849 - S2113 E09504 - S1848 E08045 - S1302 E07817 - S0443 E08331 - S0328 E09602
E07817 - S0443 E08331 - S0328 E09602
FCST VA CLD +12 HR: 06/2130Z SFC/FL150 S0449 E10755 - S0611 E10921 - S1059 E10632 - S0938 E09858 - S0321 E09608 SFC/FL500 S0935 E09852 - S2144 E09525 - S1901 E08106 - S1058 E07806 - S0510 E08359 - S0325 E09605
E07806 - S0510 E08359 - S0325 E09605
FCST VA CLD +18 HR: 07/0330Z SFC/FL150 S0448 E10737 - S0614 E10932 - S1108 E10632 - S0951 E09923 - S0315 E09605 SFC/FL500 S0846 E09846 - S2209 E09624 - S1941 E08103 - S1056 E07736 - S0436 E08412 - S0309 E09559
E07736 - S0436 E08412 - S0309 E09559
RMK: HIGH LEVEL VA TO FL500 IS NOW DETACHED FROM THE VOLCANO
AND MOVING SW. CONTINUOUS VA EMISSION TO FL150 MOV W, WITH
REMNANTS OF VA FROM EARLIER ERUPTION DRIFTING E. VA HEIGHT
AND FORECAST BASED ON SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260906/1130Z=

Volcanic Ash Advisory issued on 2026-09-06 at 06:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move sw, volcanic ash to flight level 120 (3600m) move w.
High level volcanic ash to flight level 500 (15000m) is now detatched from the volcano and moving southwest. Continuous volcanic ash emission to flight level 120 (3600m) move w, with remnants of volcanic ash from earlier eruption drifting e. Volcanic ash height and forecast based on satellite imagery and model giuidance.

Original Message :

Received FVAU04 at 06:35 UTC, 06/09/26 from ADRM
VA ADVISORY
DTG: 20260906/0630Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/185
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV SW, VA TO FL120 MOV W
OBS VA DTG: 06/0610Z
OBS VA CLD: SFC/FL120 S0448 E10801 - S0642 E11009 - S1053 E10644 - S0951 E09934 - S0301 E09728 MOV W 05KT SFC/FL500 S1051 E09952 - S1805 E09655 - S1309 E08138 - S0314 E08837 - S0303 E09732 MOV SW 10KT
S0303 E09732 MOV SW 10KT
FCST VA CLD +6 HR: 06/1210Z SFC/FL120 S0446 E10758 - S0633 E10915 - S1141 E10600 - S1006 E09849 - S0317 E09718 SFC/FL500 S1033 E09853 - S2135 E09613 - S1612 E07822 - S1138 E07907 - S0149 E08639 - S0149 E09653
E07907 - S0149 E08639 - S0149 E09653
FCST VA CLD +12 HR: 06/1810Z SFC/FL120 S0425 E10550 - S0615 E10921 - S1003 E10639 - S1017 E09956 - S0409 E09525 SFC/FL500 S1036 E10018 - S2128 E09727 - S1827 E07808 - S1302 E07817 - S0443 E08331 - S0440 E09539
E07817 - S0443 E08331 - S0440 E09539
FCST VA CLD +18 HR: 07/0010Z SFC/FL120 S0449 E10755 - S0611 E10921 - S1008 E10634 - S1001 E09920 - S0308 E09534 SFC/FL500 S0709 E09757 - S1946 E09348 - S1634 E07801 - S1058 E07806 - S0631 E08053
E07806 - S0631 E08053
RMK: HIGH LEVEL VA TO FL500 IS NOW DETATCHED FROM THE
VOLCANO AND MOVING SW. CONTINUOUS VA EMISSION TO FL120 MOV
W, WITH REMNANTS OF VA FROM EARLIER ERUPTION DRIFTING E. VA
HEIGHT AND FORECAST BASED ON SATELLITE IMAGERY AND MODEL
GIUIDANCE.
NXT ADVISORY: NO LATER THAN 20260906/0930Z=

Volcanic Ash Advisory issued on 2026-09-06 at 06:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move sw, volcanic ash to flight level 120 (3600m) move w.
High level volcanic ash to flight level 500 (15000m) is now detached from the volcano and moving southwest. Continuous volcanic ash emission to flight level 120 (3600m) move w, with remnants of volcanic ash from earlier eruption drifting e. Volcanic ash height and forecast based on satellite imagery and model guidance. *corrected graphics*.

Original Message :

Received FVAU04 at 06:59 UTC, 06/09/26 from ADRM
VA ADVISORY
DTG: 20260906/0630Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/186
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV SW, VA TO FL120 MOV W
OBS VA DTG: 06/0610Z
OBS VA CLD: SFC/FL120 S0448 E10801 - S0642 E11009 - S1053 E10644 - S0951 E09934 - S0301 E09728 MOV W 05KT SFC/FL500 S1051 E09952 - S1805 E09655 - S1309 E08138 - S0314 E08837 - S0303 E09732 MOV SW 10KT
S0303 E09732 MOV SW 10KT
FCST VA CLD +6 HR: 06/1210Z SFC/FL120 S0446 E10758 - S0633 E10915 - S1141 E10600 - S1006 E09849 - S0317 E09718 SFC/FL500 S1033 E09853 - S2135 E09613 - S1612 E07822 - S1138 E07907 - S0149 E08639 - S0149 E09653
E07907 - S0149 E08639 - S0149 E09653
FCST VA CLD +12 HR: 06/1810Z SFC/FL120 S0425 E10550 - S0615 E10921 - S1003 E10639 - S1017 E09956 - S0409 E09525 SFC/FL500 S1036 E10018 - S2128 E09727 - S1827 E07808 - S1302 E07817 - S0443 E08331 - S0440 E09539
E07817 - S0443 E08331 - S0440 E09539
FCST VA CLD +18 HR: 07/0010Z SFC/FL120 S0449 E10755 - S0611 E10921 - S1008 E10634 - S1001 E09920 - S0308 E09534 SFC/FL500 S0709 E09757 - S1946 E09348 - S1634 E07801 - S1058 E07806 - S0631 E08053
E07806 - S0631 E08053
RMK: HIGH LEVEL VA TO FL500 IS NOW DETACHED FROM THE VOLCANO
AND MOVING SW. CONTINUOUS VA EMISSION TO FL120 MOV W, WITH
REMNANTS OF VA FROM EARLIER ERUPTION DRIFTING E. VA HEIGHT
AND FORECAST BASED ON SATELLITE IMAGERY AND MODEL GUIDANCE.
*CORRECTED GRAPHICS*
NXT ADVISORY: NO LATER THAN 20260906/0930Z=

Volcanic Ash Advisory issued on 2026-09-06 at 03:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move sw, volcanic ash to flight level 200 (6000m) move w.
High level volcanic ash to flight level 500 (15000m) is now detatched from the volcano and moving southwest. Continuous volcanic ash emission to flight level 200 (6000m) move w, with remnants of volcanic ash from earlier eruption also drifting e. Volcanic ash height and forecast based on satellite imagery and dispersion model giuidance.

Original Message :

Received FVAU04 at 03:30 UTC, 06/09/26 from ADRM
VA ADVISORY
DTG: 20260906/0330Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/184
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV SW, VA TO FL200 MOV W
OBS VA DTG: 06/0310Z
OBS VA CLD: SFC/FL200 S0442 E10757 - S0644 E11005 - S1053 E10752 - S1040 E10001 - S0421 E10203 MOV W 10KT SFC/FL500 S0716 E10439 - S1038 E10020 - S1916 E09618 - S1441 E07646 - S0245 E08536 - S0201 E10018 MOV SW 20KT
S0245 E08536 - S0201 E10018 MOV SW 20KT
FCST VA CLD +6 HR: 06/0910Z SFC/FL200 S0448 E10801 - S0642 E11009 - S1053 E10644 - S1001 E10045 - S0419 E09922 SFC/FL500 S0820 E10329 - S1028 E10025 - S2011 E09559 - S1358 E07600 - S0245 E08419 - S0211 E09708
E07600 - S0245 E08419 - S0211 E09708
FCST VA CLD +12 HR: 06/1510Z SFC/FL200 S0446 E10758 - S0633 E10915 - S1039 E10701 - S1036 E10041 - S0402 E09730 SFC/FL500 S1007 E10259 - S1032 E10026 - S2203 E09511 - S1728 E07613 - S1409 E07607 - S0243 E08413 - S0205 E09711
E07613 - S1409 E07607 - S0243 E08413 - S0205 E09711
FCST VA CLD +18 HR: 06/2110Z SFC/FL200 S0647 E10653 - S1107 E10610 - S1039 E10024 - S0419 E09719 - S0425 E10550 SFC/FL500 S1007 E10259 - S1036 E10018 - S1905 E09617 - S2426 E09450 - S1956 E07607 - S1409 E07604 - S0243 E08410 - S0211 E09708
E09708
RMK: HIGH LEVEL VA TO FL500 IS NOW DETATCHED FROM THE
VOLCANO AND MOVING SW. CONTINUOUS VA EMISSION TO FL200 MOV
W, WITH REMNANTS OF VA FROM EARLIER ERUPTION ALSO DRIFTING
E. VA HEIGHT AND FORECAST BASED ON SATELLITE IMAGERY AND
DISPERSION MODEL GIUIDANCE.
NXT ADVISORY: NO LATER THAN 20260906/0630Z=

Volcanic Ash Advisory issued on 2026-09-06 at 00:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move w, volcanic ash to flight level 200 (6000m) move e.
High level volcanic ash to flight level 500 (15000m) move w and continuous volcanic ash to flight level 200 (6000m) move e. Volcanic ash height and move based on satellite imagery and forecast based on dispersion.

Original Message :

Received FVAU04 at 00:28 UTC, 06/09/26 from ADRM
VA ADVISORY
DTG: 20260906/0030Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/183
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV W, VA TO FL200 MOV E
OBS VA DTG: 06/0010Z
OBS VA CLD: SFC/FL200 S0504 E10700 - S0641 E11007 - S0901 E10914 - S1000 E10501 - S0728 E10147 MOV E 10KT SFC/FL500 S0714 E10617 - S1031 E10025 - S1731 E09640 - S1203 E07906 - S0251 E08640 - S0023 E10020 - S0504 E10700 MOV W 30KT
S0251 E08640 - S0023 E10020 - S0504 E10700 MOV W 30KT
FCST VA CLD +6 HR: 06/0610Z SFC/FL200 S0502 E10654 - S0644 E11005 - S0903 E10916 - S0957 E10501 - S0731 E10150 SFC/FL500 S0717 E10625 - S1038 E10020 - S1916 E09618 - S1441 E07646 - S0245 E08536 - S0023 E10020 - S0500 E10658
E07646 - S0245 E08536 - S0023 E10020 - S0500 E10658
FCST VA CLD +12 HR: 06/1210Z SFC/FL200 S0459 E10657 - S0642 E11009 - S0905 E10917 - S0959 E10500 - S0727 E10145 SFC/FL500 S0715 E10622 - S1028 E10025 - S2011 E09559 - S1358 E07600 - S0245 E08419 - S0025 E10023 - S0504 E10702
E07600 - S0245 E08419 - S0025 E10023 - S0504 E10702
FCST VA CLD +18 HR: 06/1810Z SFC/FL200 S0506 E10706 - S0645 E11008 - S0903 E10919 - S1002 E10458 - S0724 E10155 SFC/FL500 S0715 E10621 - S1032 E10026 - S2203 E09511 - S1538 E07551 - S0258 E08439 - S0015 E10026 - S0506 E10656
E07551 - S0258 E08439 - S0015 E10026 - S0506 E10656
RMK: HIGH LEVEL VA TO FL500 MOV W AND CONTINUOUS VA TO FL200
MOV E. VA HEIGHT AND MOV BASED ON SATELLITE IMAGERY AND FCST
BASED ON DISPERSION MODELS.
NXT ADVISORY: NO LATER THAN 20260906/0330Z=

Volcanic Ash Advisory issued on 2026-09-05 at 22:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move w, volcanic ash to flight level 200 (6000m) move e.
High level volcanic ash to flight level 500 (15000m) move w and continuous volcanic ash to flight level 200 (6000m) move e. Volcanic ash height and move based on satellite imagery and forecast based on dispersion.

Original Message :

Received FVAU04 at 22:26 UTC, 05/09/26 from ADRM
VA ADVISORY
DTG: 20260905/2230Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/182
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV W, VA TO FL200 MOV E
OBS VA DTG: 05/2210Z
OBS VA CLD: SFC/FL200 S0459 E10658 - S0641 E11009 - S0904 E10916 - S0959 E10501 - S0728 E10149 MOV E 10KT SFC/FL500 S0714 E10625 - S1033 E10020 - S1705 E09640 - S1204 E08003 - S0226 E08747 - S0023 E10020 - S0500 E10658 MOV W 30KT
S0226 E08747 - S0023 E10020 - S0500 E10658 MOV W 30KT
FCST VA CLD +6 HR: 06/0410Z SFC/FL200 S0504 E10700 - S0641 E11007 - S0901 E10914 - S1000 E10501 - S0728 E10147 SFC/FL500 S0714 E10617 - S1031 E10025 - S1842 E09718 - S1303 E07717 - S0259 E08536 - S0023 E10020 - S0504 E10700
E07717 - S0259 E08536 - S0023 E10020 - S0504 E10700
FCST VA CLD +12 HR: 06/1010Z SFC/FL200 S0502 E10654 - S0644 E11005 - S0903 E10916 - S0957 E10501 - S0731 E10150 SFC/FL500 S0717 E10625 - S1038 E10020 - S1916 E09618 - S1441 E07646 - S0245 E08536 - S0023 E10020 - S0500 E10658
E07646 - S0245 E08536 - S0023 E10020 - S0500 E10658
FCST VA CLD +18 HR: 06/1610Z SFC/FL200 S0459 E10657 - S0642 E11009 - S0905 E10917 - S0959 E10500 - S0727 E10145 SFC/FL500 S0715 E10622 - S1028 E10025 - S2051 E09556 - S1601 E07454 - S0245 E08419 - S0025 E10023 - S0504 E10702
E07454 - S0245 E08419 - S0025 E10023 - S0504 E10702
RMK: HIGH LEVEL VA TO FL500 MOV W AND CONTINUOUS VA TO FL200
MOV E. VA HEIGHT AND MOV BASED ON SATELLITE IMAGERY AND FCST
BASED ON DISPERSION MODELS.
NXT ADVISORY: NO LATER THAN 20260906/0030Z=

Volcanic Ash Advisory issued on 2026-09-05 at 20:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move w, volcanic ash to flight level 200 (6000m) move to e.
Continuous volcanic ash to flight level 500 (15000m) move w and to flight level 200 (6000m) move to e, identifiable on satellite imagery. Height and move based on satellite imagery and forecast based on dispersion.

Original Message :

Received FVAU04 at 20:27 UTC, 05/09/26 from ADRM
VA ADVISORY
DTG: 20260905/2030Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/181
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV W, VA TO FL200 MOV TO E
OBS VA DTG: 05/2010Z
OBS VA CLD: SFC/FL200 S0502 E10700 - S0644 E11010 - S0903 E10913 - S1000 E10505 - S0727 E10147 MOV E 10KT SFC/FL500 S0714 E10617 - S1031 E10025 - S1541 E09624 - S1315 E08236 - S0255 E09026 - S0023 E10020 - S0506 E10708 MOV W 30KT
S0255 E09026 - S0023 E10020 - S0506 E10708 MOV W 30KT
FCST VA CLD +6 HR: 06/0210Z SFC/FL200 S0459 E10658 - S0641 E11009 - S0904 E10916 - S0959 E10501 - S0728 E10149 SFC/FL500 S0714 E10625 - S1033 E10020 - S1705 E09640 - S1328 E07947 - S0249 E09032 - S0023 E10020 - S0500 E10658
E07947 - S0249 E09032 - S0023 E10020 - S0500 E10658
FCST VA CLD +12 HR: 06/0810Z SFC/FL200 S0504 E10700 - S0641 E11007 - S0901 E10914 - S1000 E10501 - S0728 E10147 SFC/FL500 S0714 E10617 - S1031 E10025 - S1814 E09637 - S1445 E07824 - S0249 E09032 - S0023 E10020 - S0504 E10700
E07824 - S0249 E09032 - S0023 E10020 - S0504 E10700
FCST VA CLD +18 HR: 06/1410Z SFC/FL200 S0502 E10654 - S0644 E11005 - S0903 E10916 - S0957 E10501 - S0731 E10150 SFC/FL500 S0717 E10625 - S1038 E10020 - S1902 E09635 - S1555 E07739 - S0245 E09028 - S0023 E10020 - S0500 E10658
E07739 - S0245 E09028 - S0023 E10020 - S0500 E10658
RMK: CONTINUOUS VA TO FL500 MOV W AND TO FL200 MOV TO E,
IDENTIFIABLE ON SATELLITE IMAGERY. HEIGHT AND MOV BASED ON
SATELLITE IMAGERY AND FCST BASED ON DISPERSION MODELS.
NXT ADVISORY: NO LATER THAN 20260905/2230Z=

Volcanic Ash Advisory issued on 2026-09-05 at 18:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move w, volcanic ash to flight level 200 (6000m) move to e.
Continuous volcanic ash to flight level 500 (15000m) identifiable on satellite image move w. Continuous volcanic ash to flight level 200 (6000m) move to e. Height and move based on satellite imagery and forecast based on dispersion.

Original Message :

Received FVAU04 at 18:26 UTC, 05/09/26 from ADRM
VA ADVISORY
DTG: 20260905/1830Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/180
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV W, VA TO FL200 MOV TO E
OBS VA DTG: 05/1810Z
OBS VA CLD: SFC/FL200 S0504 E10702 - S0649 E11005 - S0903 E10910 - S0959 E10507 - S0726 E10141 MOV E 10KT SFC/FL500 S0719 E10615 - S1034 E09934 - S1545 E09556 - S1220 E08345 - S0252 E09040 - S0045 E10035 - S0504 E10704 MOV W 30KT
S0252 E09040 - S0045 E10035 - S0504 E10704 MOV W 30KT
FCST VA CLD +6 HR: 06/0010Z SFC/FL200 S0502 E10700 - S0644 E11010 - S0903 E10913 - S1000 E10505 - S0727 E10147 SFC/FL500 S0714 E10617 - S1016 E09957 - S1710 E09604 - S1246 E08131 - S0255 E09026 - S0023 E10020 - S0506 E10708
E08131 - S0255 E09026 - S0023 E10020 - S0506 E10708
FCST VA CLD +12 HR: 06/0610Z SFC/FL200 S0459 E10658 - S0641 E11009 - S0904 E10916 - S0959 E10501 - S0728 E10149 SFC/FL500 S0714 E10625 - S1026 E10000 - S1823 E09555 - S1328 E07947 - S0249 E09032 - S0023 E10020 - S0500 E10658
E07947 - S0249 E09032 - S0023 E10020 - S0500 E10658
FCST VA CLD +18 HR: 06/1210Z SFC/FL200 S0504 E10700 - S0641 E11007 - S0901 E10914 - S1000 E10501 - S0728 E10147 SFC/FL500 S0714 E10617 - S1022 E09954 - S1917 E09535 - S1419 E07857 - S0249 E09032 - S0023 E10020 - S0504 E10700
E07857 - S0249 E09032 - S0023 E10020 - S0504 E10700
RMK: CONTINUOUS VA TO FL500 IDENTIFIABLE ON SAT IMAGE MOV W.
CONTINUOUS VA TO FL200 MOV TO E. HEIGHT AND MOV BASED ON
SATELLITE IMAGERY AND FCST BASED ON DISPERSION MODELS.
NXT ADVISORY: NO LATER THAN 20260905/2030Z=

Volcanic Ash Advisory issued on 2026-09-05 at 16:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move w, volcanic ash to flight level 200 (6000m) move south to se.
Continuous volcanic ash to flight level 500 (15000m) identifiable on satellite image move w. Continuous volcanic ash to flight level 200 (6000m) move south to se. Height and move based on satellite imagery and forecast based on dispersion.

Original Message :

Received FVAU04 at 16:25 UTC, 05/09/26 from ADRM
VA ADVISORY
DTG: 20260905/1630Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/179
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV W, VA TO FL200 MOV S TO SE
OBS VA DTG: 05/1610Z
OBS VA CLD: SFC/FL200 S0519 E10710 - S0639 E10930 - S0902 E10829 - S0933 E10514 - S0738 E10138 MOV SE 10KT SFC/FL500 S0711 E10611 - S1007 E09930 - S1547 E09446 - S1128 E08348 - S0311 E09128 - S0142 E10116 - S0517 E10715 MOV W 30KT
S0311 E09128 - S0142 E10116 - S0517 E10715 MOV W 30KT
FCST VA CLD +6 HR: 05/2210Z SFC/FL200 S0504 E10702 - S0655 E11008 - S0907 E10859 - S0959 E10507 - S0726 E10141 SFC/FL500 S0659 E10614 - S1029 E09932 - S1727 E09513 - S1210 E08104 - S0252 E09040 - S0003 E09932 - S0504 E10704
E08104 - S0252 E09040 - S0003 E09932 - S0504 E10704
FCST VA CLD +12 HR: 06/0410Z SFC/FL200 S0501 E10710 - S0653 E11017 - S0903 E10913 - S1001 E10515 - S0727 E10147 SFC/FL500 S0654 E10626 - S1016 E09957 - S1856 E09505 - S1244 E07912 - S0305 E08923 - N0010 E09945 - S0506 E10708
E07912 - S0305 E08923 - N0010 E09945 - S0506 E10708
FCST VA CLD +18 HR: 06/1010Z SFC/FL200 S0504 E10700 - S0641 E11009 - S0904 E10916 - S0959 E10501 - S0722 E10152 SFC/FL500 S0652 E10628 - S1026 E10000 - S1955 E09456 - S1314 E07817 - S0309 E08858 - N0028 E09940 - S0500 E10658
E07817 - S0309 E08858 - N0028 E09940 - S0500 E10658
RMK: CONTINUOUS VA TO FL500 IDENTIFIABLE ON SAT IMAGE MOV W.
CONTINUOUS VA TO FL200 MOV S TO SE. HEIGHT AND MOV BASED ON
SATELLITE IMAGERY AND FCST BASED ON DISPERSION MODELS.
NXT ADVISORY: NO LATER THAN 20260905/1830Z=

Volcanic Ash Advisory issued on 2026-09-05 at 14:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move w, volcanic ash to flight level 200 (6000m) move south to se.
Continuous volcanic ash to flight level 500 (15000m) identifiable on satellite image move w. Continuous volcanic ash to flight level 200 (6000m) move south to se. Height and move based on satellite imagery and forecast based on dispersion.

Original Message :

Received FVAU04 at 14:26 UTC, 05/09/26 from ADRM
VA ADVISORY
DTG: 20260905/1430Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/178
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV W, VA TO FL200 MOV S TO SE
OBS VA DTG: 05/1410Z
OBS VA CLD: SFC/FL200 S0500 E10626 - S0634 E10701 - S0727 E10853 - S0851 E10809 - S0954 E10536 - S0743 E10144 MOV SE 10KT SFC/FL500 S0648 E10555 - S0949 E09931 - S1657 E09438 - S1005 E08550 - S0313 E09407 - S0136 E10057 - S0500 E10628 MOV W 30KT
MOV W 30KT
FCST VA CLD +6 HR: 05/2010Z SFC/FL200 S0459 E10712 - S0644 E11009 - S0859 E10855 - S0948 E10512 - S0738 E10138 SFC/FL500 S0650 E10611 - S0958 E09920 - S1844 E09427 - S1129 E08303 - S0311 E09128 - N0005 E09913 - S0500 E10724
E08303 - S0311 E09128 - N0005 E09913 - S0500 E10724
FCST VA CLD +12 HR: 06/0210Z SFC/FL200 S0457 E10712 - S0655 E11008 - S0907 E10859 - S0959 E10507 - S0726 E10141 SFC/FL500 S0659 E10614 - S0959 E09925 - S1939 E09429 - S1204 E08010 - S0252 E09040 - N0039 E09904 - S0458 E10719
E08010 - S0252 E09040 - N0039 E09904 - S0458 E10719
FCST VA CLD +18 HR: 06/0810Z SFC/FL200 S0501 E10710 - S0653 E11017 - S0903 E10913 - S1001 E10515 - S0727 E10147 SFC/FL500 S0654 E10626 - S0959 E09919 - S1949 E09437 - S1317 E07801 - S0248 E08935 - N0041 E09902 - S0505 E10722
E07801 - S0248 E08935 - N0041 E09902 - S0505 E10722
RMK: CONTINUOUS VA TO FL500 IDENTIFIABLE ON SAT IMAGE MOV W.
CONTINUOUS VA TO FL200 MOV S TO SE. HEIGHT AND MOV BASED ON
SATELLITE IMAGERY AND FCST BASED ON DISPERSION MODELS.
NXT ADVISORY: NO LATER THAN 20260905/1630Z=

Volcanic Ash Advisory issued on 2026-09-05 at 12:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move w, volcanic ash to flight level 200 (6000m) move south to se.
Continuous volcanic ash to flight level 500 (15000m) identifiable on satellite image move w. Continuous volcanic ash to flight level 200 (6000m) move south to se. Height and move based on satellite imagery and forecast based on dispersion.

Original Message :

Received FVAU04 at 12:27 UTC, 05/09/26 from ADRM
VA ADVISORY
DTG: 20260905/1230Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/177
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV W, VA TO FL200 MOV S TO SE
OBS VA DTG: 05/1210Z
OBS VA CLD: SFC/FL200 S0618 E10635 - S0707 E10847 - S0856 E10801 - S0934 E10510 - S0724 E10217 - S0506 E10634 MOV SE 10KT SFC/FL500 S0649 E10600 - S0914 E09907 - S1519 E09606 - S0900 E08731 - S0257 E09628 - S0159 E10141 - S0506 E10634 MOV W 30KT
MOV W 30KT
FCST VA CLD +6 HR: 05/1810Z SFC/FL200 S0455 E10701 - S0637 E10931 - S0854 E10841 - S0955 E10514 - S0743 E10144 SFC/FL500 S0621 E10548 - S0923 E09913 - S1645 E09646 - S0924 E08601 - S0313 E09407 - S0110 E09954 - S0503 E10717
E08601 - S0313 E09407 - S0110 E09954 - S0503 E10717
FCST VA CLD +12 HR: 06/0010Z SFC/FL200 S0444 E10707 - S0644 E11009 - S0859 E10855 - S0948 E10512 - S0738 E10138 SFC/FL500 S0650 E10611 - S0958 E09920 - S1809 E09726 - S1011 E08420 - S0311 E09128 - N0005 E09913 - S0500 E10724
E08420 - S0311 E09128 - N0005 E09913 - S0500 E10724
FCST VA CLD +18 HR: 06/0610Z SFC/FL200 S0457 E10712 - S0655 E11008 - S0907 E10859 - S0959 E10507 - S0726 E10141 SFC/FL500 S0659 E10614 - S0959 E09934 - S1916 E09843 - S1053 E08141 - S0252 E09040 - N0039 E09904 - S0458 E10719
E08141 - S0252 E09040 - N0039 E09904 - S0458 E10719
RMK: CONTINUOUS VA TO FL500 IDENTIFIABLE ON SAT IMAGE MOV W.
CONTINUOUS VA TO FL200 MOV S TO SE. HEIGHT AND MOV BASED ON
SATELLITE IMAGERY AND FCST BASED ON DISPERSION MODELS.
NXT ADVISORY: NO LATER THAN 20260905/1430Z=

Volcanic Ash Advisory issued on 2026-09-05 at 10:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move w, volcanic ash to flight level 200 (6000m) move south to se.
Continuous volcanic ash to flight level 500 (15000m) identifiable on satellite image move w. Continuous volcanic ash to flight level 200 (6000m) move south to se. Height and move based on satellite imagery and forecast based on dispersion.

Original Message :

Received FVAU04 at 10:23 UTC, 05/09/26 from ADRM
VA ADVISORY
DTG: 20260905/1030Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/176
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV W, VA TO FL200 MOV S TO SE
OBS VA DTG: 05/1010Z
OBS VA CLD: SFC/FL200 S0524 E10553 - S0621 E10629 - S0724 E10825 - S0857 E10809 - S0916 E10505 - S0733 E10224 MOV SE 10KT SFC/FL500 S0625 E10549 - S0909 E09810 - S1213 E09621 - S0723 E09143 - S0353 E09722 - S0320 E10330 - S0520 E10553 MOV W 30KT
MOV W 30KT
FCST VA CLD +6 HR: 05/1610Z SFC/FL200 S0509 E10634 - S0653 E10907 - S0858 E10807 - S0918 E10505 - S0724 E10217 SFC/FL500 S0624 E10548 - S0850 E09920 - S1441 E09652 - S0736 E08853 - S0259 E09707 - S0205 E10101 - S0507 E10637
E08853 - S0259 E09707 - S0205 E10101 - S0507 E10637
FCST VA CLD +12 HR: 05/2210Z SFC/FL200 S0455 E10701 - S0637 E10931 - S0854 E10841 - S0955 E10514 - S0743 E10144 SFC/FL500 S0621 E10548 - S0923 E09913 - S1639 E09740 - S0822 E08703 - S0337 E09331 - S0110 E09954 - S0503 E10717
E08703 - S0337 E09331 - S0110 E09954 - S0503 E10717
FCST VA CLD +18 HR: 06/0410Z SFC/FL200 S0444 E10707 - S0648 E11001 - S0859 E10855 - S0948 E10512 - S0738 E10138 SFC/FL500 S0650 E10611 - S0946 E09917 - S1833 E09744 - S0914 E08415 - S0331 E09116 - N0002 E09905 - S0500 E10724
E08415 - S0331 E09116 - N0002 E09905 - S0500 E10724
RMK: CONTINUOUS VA TO FL500 IDENTIFIABLE ON SAT IMAGE MOV W.
CONTINUOUS VA TO FL200 MOV S TO SE. HEIGHT AND MOV BASED ON
SATELLITE IMAGERY AND FCST BASED ON DISPERSION MODELS.
NXT ADVISORY: NO LATER THAN 20260905/1230Z=

Volcanic Ash Advisory issued on 2026-09-05 at 08:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move w, volcanic ash to flight level 200 (6000m) move south to se.
Continuous volcanic ash to flight level 500 (15000m) identifiable on satellite image move w. Continuous volcanic ash to flight level 200 (6000m) move south to se. Height and move based on satellite imagery and forecast based on dispersion.

Original Message :

Received FVAU04 at 08:28 UTC, 05/09/26 from ADRM
VA ADVISORY
DTG: 20260905/0830Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/175
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV W, VA TO FL200 MOV S TO SE
OBS VA DTG: 05/0810Z
OBS VA CLD: SFC/FL200 S0544 E10522 - S0737 E10827 - S0825 E10805 - S0805 E10354 - S0630 E10355 MOV SE 10KT SFC/FL500 S0622 E10549 - S0900 E09823 - S0523 E09651 - S0413 E10106 - S0531 E10547 MOV W 30KT
S0531 E10547 MOV W 30KT
FCST VA CLD +6 HR: 05/1410Z SFC/FL200 S0545 E10521 - S0702 E10855 - S0847 E10810 - S0903 E10516 - S0730 E10247 SFC/FL500 S0625 E10549 - S0929 E09712 - S0635 E09502 - S0355 E09751 - S0355 E10147 - S0532 E10548
E09751 - S0355 E10147 - S0532 E10548
FCST VA CLD +12 HR: 05/2010Z SFC/FL200 S0545 E10521 - S0652 E10852 - S0858 E10807 - S0918 E10505 - S0724 E10217 SFC/FL500 S0624 E10548 - S1025 E09431 - S0554 E09231 - S0325 E09743 - S0345 E10217 - S0513 E10547
E09743 - S0345 E10217 - S0513 E10547
FCST VA CLD +18 HR: 06/0210Z SFC/FL500 S0621 E10548 - S1115 E09350 - S0926 E08957 - S0618 E08957 - S0324 E09742 - S0343 E10218 - S0511 E10547 SFC/FL200 S0538 E10530 - S0632 E10842 - S0855 E10826 - S0955 E10514 - S0743 E10144
- S0855 E10826 - S0955 E10514 - S0743 E10144
RMK: CONTINUOUS VA TO FL500 IDENTIFIABLE ON SAT IMAGE MOV W.
CONTINUOUS VA TO FL200 MOV S TO SE. HEIGHT AND MOV BASED ON
SATELLITE IMAGERY AND FCST BASED ON DISPERSION MODELS.
NXT ADVISORY: NO LATER THAN 20260905/1030Z=

Volcanic Ash Advisory issued on 2026-09-05 at 06:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 500 (15000m) move w, volcanic ash to flight level 200 (6000m) move south to se.
Continuous volcanic ash to flight level 500 (15000m) identifiable on satellite image move w. Continuous volcanic ash to flight level 200 (6000m) move south to se. Height and move based on satellite imagery and forecast based on dispersion.

Original Message :

Received FVAU04 at 06:32 UTC, 05/09/26 from ADRM
VA ADVISORY
DTG: 20260905/0630Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/174
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV W, VA TO FL200 MOV S TO SE
OBS VA DTG: 05/0610Z
OBS VA CLD: SFC/FL200 S0544 E10522 - S0733 E10817 - S0820 E10753 - S0743 E10404 - S0626 E10403 MOV SE 10KT SFC/FL500 S0622 E10549 - S0841 E09858 - S0623 E09736 - S0418 E10123 - S0531 E10547 MOV W 30KT
S0531 E10547 MOV W 30KT
FCST VA CLD +6 HR: 05/1210Z SFC/FL200 S0546 E10520 - S0704 E10844 - S0836 E10759 - S0855 E10521 - S0720 E10310 SFC/FL500 S0625 E10549 - S0920 E09725 - S0636 E09530 - S0356 E09751 - S0355 E10147 - S0532 E10548
E09751 - S0355 E10147 - S0532 E10548
FCST VA CLD +12 HR: 05/1810Z SFC/FL200 S0545 E10521 - S0650 E10848 - S0852 E10804 - S0908 E10508 - S0721 E10224 SFC/FL500 S0624 E10548 - S1017 E09450 - S0547 E09252 - S0325 E09743 - S0345 E10217 - S0513 E10547
E09743 - S0345 E10217 - S0513 E10547
FCST VA CLD +18 HR: 06/0010Z SFC/FL500 S0621 E10548 - S1056 E09433 - S0925 E09028 - S0602 E09030 - S0324 E09742 - S0343 E10218 - S0511 E10547 SFC/FL200 S0539 E10528 - S0634 E10842 - S0845 E10826 - S0943 E10518 - S0736 E10157
- S0845 E10826 - S0943 E10518 - S0736 E10157
RMK: CONTINUOUS VA TO FL500 IDENTIFIABLE ON SAT IMAGE MOV W.
CONTINUOUS VA TO FL200 MOV S TO SE. HEIGHT AND MOV BASED ON
SATELLITE IMAGERY AND FCST BASED ON DISPERSION MODELS.
NXT ADVISORY: NO LATER THAN 20260905/0830Z=

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