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Semeru Volcanic Ash Advisory: ash plume to 15,000 ft (4,600 m) as of Oct 23, 20:50 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150.
Original VAAC bulletin:

FVAU02 at 21:07 UTC, 23/10/26 from ADRM
VA ADVISORY
DTG: 20261023/2110Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/1214
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 OBS 23/2050Z MOV SE
OBS VA DTG: 23/2050Z
OBS VA CLD: SFC/FL150 S0801 E11255 - S0819 E11328 - S0825
 E11326 - S0822 E11258 - S0808 E11250 MOV SE 10KT
FCST VA CLD +6 HR: 24/0250Z SFC/FL150 S0801 E11255 - S0808
 E11328 - S0829 E11329 - S0836 E11309 - S0808 E11250
FCST VA CLD +12 HR: 24/0850Z SFC/FL150 S0801 E11255 - S0757
 E11327 - S0811 E11333 - S0823 E11323 - S0808 E11250
FCST VA CLD +18 HR: 24/1450Z SFC/FL150 S0801 E11255 - S0756
 E11327 - S0809 E11333 - S0821 E11323 - S0808 E11250
RMK: MULTIPLE DISCRETE VA EMISSIONS IDENTIFIABLE ON
 SATELLITE IMAGERY. REGULAR GROUND REPORTS ALSO INDICATE
 INTERMITTENT ERUPTIONS ARE ONGOING. VA HEIGHT AND MOVEMENT
 BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL
 GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261024/0310Z=
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White Island Volcanic Ash Advisory: ash plume to 4,000 ft (1,200 m) as of Oct 23, 16:13 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Wellington warned of a volcanic ash plume rising to an estimated 4000 ft (1200 m), or flight level 040, and moving at 05 kts in SE direction.
Original VAAC bulletin:

FVPS01 at 16:13 UTC, 23/10/26 from NZKL
VA ADVISORY
DTG: 20261023/1613Z
VAAC: WELLINGTON
VOLCANO: WHAKAARI/WHITE ISLAND 241040
PSN: S3731 E17711
AREA: NEW ZEALAND
SOURCE ELEV: 294M AMSL
ADVISORY NR: 2026/59
INFO SOURCE: H9 SATELLITE IMAGERY
ERUPTION DETAILS: ERUPTION AT 20261018/1944Z CONTINUOUS
 LOW-LEVEL ERUPTION
OBS VA DTG: 23/1613Z
OBS VA CLD: SFC/FL040 S3728 E17715 - S3740 E17727 - S3740
 E17712 - S3728 E17707 MOV SE 05KT
FCST VA CLD +6 HR: 23/2213Z SFC/FL040 S3728 E17707 - S3728
 E17718 - S3737 E17746 - S3746 E17733 - S3746 E17714
FCST VA CLD +12 HR: 24/0413Z SFC/FL040 S3729 E17714 - S3738
 E17802 - S3803 E17739 - S3807 E17713 - S3729 E17708
FCST VA CLD +18 HR: 24/1013Z SFC/FL040 S3728 E17707 - S3728
 E17718 - S3736 E17803 - S3808 E17737 - S3812 E17710
RMK: VA IDENTIFIABLE ON MULTISPECTRAL SAT IMAGERY. HEIGHT
 EST FROM EARLIER WEBCAM IMAGES, FCST BASED ON MODEL
 GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261023/2213Z=