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Reventador Volcanic Ash Advisory: ash emissions observed as of 24 Oct 2026, 09:10 UTC

Ash emissions were observed on webcam at Reventador as of 09:10 UTC on 24 October 2026. Forecasts indicate possible westward movement of ash at FL150 in the following hours.
Original VAAC bulletin:

FVXX21 at 09:46 UTC, 24/10/26 from KNES
VA ADVISORY
DTG: 20261024/0942Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2026/1117

INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS. 

ERUPTION DETAILS: VA EMS OBSD IN WEBCAM

EST VA DTG: 24/0910Z

EST VA CLD: SFC/FL150 S0002 W07748 - S0004 W07740
- S0005 W07740 - S0006 W07748 - S0002 W07748 MOV
W 5KT 

FCST VA CLD +6HR: 24/1500Z SFC/FL150 S0001 W07749
- S0004 W07739 - S0005 W07739 - S0005 W07750 -
S0001 W07749 

FCST VA CLD +12HR: 24/2100Z SFC/FL150 N0001
W07747 - S0004 W07739 - S0005 W07740 - S0003
W07750 - N0001 W07747 

FCST VA CLD +18HR: 25/0300Z SFC/FL150 S0001
W07750 - S0004 W07739 - S0005 W07739 - S0005
W07750 - S0001 W07750 

RMK: VA EMS VSBL IN WEBCAM BUT NOT OBSD IN STLT
IMG DUE TO MET CLDS. W MVMT EXP TO SHIFT MORE WNW
BY T+6 HRS, AND NW BY T+12 HRS. MVMT AND HGT
BASED ON VONA, WEBCAM OBS AND NWP MDLS.
...BERTALAN

NXT ADVISORY: WILL BE ISSUED BY 20261024/1545Z
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Dukono Volcanic Ash Advisory: ash plume to 9,000 ft (2,700 m) as of Oct 24, 04:10 UTC

Satellite image of Dukono volcano on 24 Oct 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 9000 ft (2700 m), or flight level 090, and moving at 05 kts in W direction.
Original VAAC bulletin:

FVAU01 at 04:29 UTC, 24/10/26 from ADRM
VA ADVISORY
DTG: 20261024/0430Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/915
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL090 OBS AT 24/0410Z
OBS VA DTG: 24/0410Z
OBS VA CLD: SFC/FL090 N0131 E12813 - N0116 E12735 - N0155
 E12724 - N0217 E12800 - N0144 E12816 MOV W 05KT
FCST VA CLD +6 HR: 24/1010Z SFC/FL090 N0135 E12801 - N0113
 E12737 - N0133 E12712 - N0204 E12725 - N0150 E12801
FCST VA CLD +12 HR: 24/1610Z SFC/FL090 N0135 E12801 - N0113
 E12737 - N0144 E12712 - N0217 E12736 - N0150 E12801
FCST VA CLD +18 HR: 24/2210Z SFC/FL090 N0136 E12801 - N0120
 E12731 - N0144 E12712 - N0217 E12736 - N0211 E12806
RMK: VA IDENTIFIABLE ON SATELLITE IMAGERY, PARTIALLY
 OBSCURED BY MET CLOUD. VA HEIGHT AND MOVEMENT BASED ON
 SATELLITE IMAGERY AND MODEL GUIDANCE. LOW CONFIDENCE IN FCST
 DUE TO VARIABLE WINDS IN THE AREA.
NXT ADVISORY: NO LATER THAN 20261024/1030Z=