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Krakatau Volcanic Ash Advisory: ash plume to 3,000 ft (900 m) as of 18/1022Z

Satellite image of Krakatau volcano on 18 Oct 2026

An ash plume from Krakatau was reported reaching 3,000 ft (900 m) at 18/1022Z, with movement towards the northwest. Forecasts indicate possible continued ash presence, but satellite detection is limited due to meteorological clouds.
Original VAAC bulletin:

FVAU04 at 17:26 UTC, 18/10/26 from ADRM
VA ADVISORY
DTG: 20261018/1730Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/233
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL030 REPORTED AT 18/1022Z MOV NW
EST VA DTG: 18/1710Z
EST VA CLD: SFC/FL030 S0610 E10529 - S0620 E10458 - S0553
 E10457 - S0550 E10524 - S0603 E10531 MOV W 05KT
FCST VA CLD +6 HR: 18/2310Z SFC/FL030 S0609 E10529 - S0616
 E10458 - S0552 E10457 - S0551 E10523 - S0604 E10530
FCST VA CLD +12 HR: 19/0510Z SFC/FL030 S0605 E10533 - S0613
 E10529 - S0616 E10456 - S0549 E10457 - S0542 E10525
FCST VA CLD +18 HR: 19/1110Z SFC/FL030 S0604 E10533 - S0615
 E10530 - S0620 E10457 - S0553 E10456 - S0543 E10518
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGE DUE TO
 MET CLOUD. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-9
 IMAGERY, GROUND REPORT AND MODEL GUIDANCE. LOW CONFIDENCE IN
 FORECAST DUE TO LIGHT AND VARIABLE WINDS.
NXT ADVISORY: NO LATER THAN 20261018/2330Z=
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Ibu Volcanic Ash Advisory: ash plume to 6,000 ft (1,800 m) as of Oct 18, 15:27 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 6000 ft (1800 m), or flight level 060, and moving at 05 kts in NE direction.
Original VAAC bulletin:

FVAU03 at 15:27 UTC, 18/10/26 from ADRM
VA ADVISORY
DTG: 20261018/1530Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/1184
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL060 REPORTED AT 18/1055Z
EST VA DTG: 18/1510Z
EST VA CLD: SFC/FL060 N0127 E12739 - N0130 E12735 - N0146
 E12744 - N0151 E12757 - N0138 E12801 MOV NE 05KT
FCST VA CLD +6 HR: 18/2110Z SFC/FL060 N0127 E12738 - N0130
 E12735 - N0149 E12748 - N0153 E12802 - N0138 E12801
FCST VA CLD +12 HR: 19/0310Z NO VA EXP
FCST VA CLD +18 HR: 19/0910Z NO VA EXP
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGE. CVGHM
 REPORTED DISCRETE ERUPTION, VA EXPECTED TO DISSIPATE WITHIN
 6-12HRS. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY,
 GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261018/2130Z=
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White Island Volcanic Ash Advisory: ash plume to 5,000 ft (1,500 m) as of Oct 18, 14:30 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Wellington warned of a volcanic ash plume rising to an estimated 5000 ft (1500 m), or flight level 050, and moving at 05 kts in S direction.
Original VAAC bulletin:

FVPS01 at 14:31 UTC, 18/10/26 from NZKL
VA ADVISORY
DTG: 20261018/1430Z
VAAC: WELLINGTON
VOLCANO: WHAKAARI/WHITE ISLAND 241040
PSN: S3731 E17711
AREA: NEW ZEALAND
SOURCE ELEV: 294M AMSL
ADVISORY NR: 2026/32
INFO SOURCE: WEBCAM, H9 AND GOES SAT IMAGERY
ERUPTION DETAILS: CONTINUOUS LOW LEVEL ERUPTION
OBS VA DTG: 18/1430Z
OBS VA CLD: SFC/FL050 S3735 E17712 - S3727 E17657 - S3703
 E17657 - S3723 E17722 MOV S 05KT
FCST VA CLD +6 HR: 18/2030Z SFC/FL050 S3734 E17711 - S3722
 E17659 - S3704 E17654 - S3709 E17710 - S3728 E17717
FCST VA CLD +12 HR: 19/0230Z SFC/FL050 S3735 E17709 - S3718
 E17651 - S3709 E17711 - S3733 E17718
FCST VA CLD +18 HR: 19/0830Z SFC/FL050 S3737 E17719 - S3738
 E17704 - S3724 E17654 - S3712 E17718
RMK: DIFFUSE VA IDENTIFIABLE IN WEBCAM AND SATELLITE
 IMAGERY. CONTINUOUS LOW-LEVEL EMISSIONS, LIGHT WINDS IN THE
 VICINITY SO EMISSIONS ARE STAYING CLOSE TO THE VOLCANO.
 HEIGHTS AND MOVEMENT BASED ON MODELS.
NXT ADVISORY: NO LATER THAN 20261018/2030Z=