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Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070, and moving at 10 kts in NW direction.
Original VAAC bulletin:

FVAU04 at 22:59 UTC, 12/10/26 from ADRM
VA ADVISORY
DTG: 20261012/2300Z
VAAC: DARWIN
VOLCANO: MANAM 251020
PSN: S0405 E14502
AREA: PAPUA NEW GUINEA
SOURCE ELEV: 1807M AMSL
ADVISORY NR: 2026/59
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBS AT 12/2240Z EXTD NW
OBS VA DTG: 12/2240Z
OBS VA CLD: SFC/FL070 S0405 E14507 - S0410 E14504 - S0353
 E14422 - S0332 E14441 MOV NW 10KT
FCST VA CLD +6 HR: 13/0440Z SFC/FL070 S0405 E14507 - S0410
 E14504 - S0353 E14422 - S0332 E14441
FCST VA CLD +12 HR: 13/1040Z SFC/FL070 S0410 E14501 - S0352
 E14425 - S0330 E14457 - S0406 E14507
FCST VA CLD +18 HR: 13/1640Z SFC/FL070 S0410 E14503 - S0356
 E14424 - S0334 E14448 - S0405 E14507
RMK: CONTINUOUS VA EMISSION IDENTIFIABLE ON CURRENT
 SATELLITE IMAGE. VA EMISSIONS ARE EXPECTED TO BE ONGOING.
 HEIGHT BASED ON RECENT ERUPTIVE BEHAVIOUR, MOVEMENT BASED ON
 SAT IMG AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261013/0500Z=

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 20000 ft (6100 m), or flight level 200.
Original VAAC bulletin:

FVXX23 at 14:12 UTC, 12/10/26 from KNES
VA ADVISORY
DTG: 20261012/1409Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SOURCE ELEV: 17693 FT AMSL

ADVISORY NR: 2026/350

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

ERUPTION DETAILS: NEW VA EMS 

OBS VA DTG: 12/1356Z

OBS VA CLD: SFC/FL200 N1904 W09850 - N1902 W09837
- N1900 W09835 - N1855 W09849 - N1904 W09850 MOV
SW 10KT 

FCST VA CLD +6HR: 12/2000Z SFC/FL200 N1902 W09920
- N1902 W09836 - N1900 W09836 - N1845 W09918 -
N1902 W09920 

FCST VA CLD +12HR: 13/0200Z NO VA EXP

FCST VA CLD +18HR: 13/0800Z NO VA EXP

RMK: DISCRETE VA EMS OBS ON WEBCAM AND AMONG WX
CLDS IN STLT MVG WSW FM SUMMIT. WSW MVMT TO CONT
THRU T+6 ACCORDING TO NWP MDLS. FL EST FM WEBCAM
AND NWP MDLS. ...EVANS

NXT ADVISORY: WILL BE ISSUED BY 20261012/2015Z

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, and moving at 10 kts in W direction.
Original VAAC bulletin:

FVAU02 at 12:20 UTC, 12/10/26 from ADRM
VA ADVISORY
DTG: 20261012/1220Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/1168
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 OBS AT 12/1200Z
OBS VA DTG: 12/1200Z
OBS VA CLD: SFC/FL150 S0809 E11258 - S0838 E11229 - S0832
 E11201 - S0756 E11201 - S0802 E11258 MOV W 10KT
FCST VA CLD +6 HR: 12/1800Z SFC/FL150 S0809 E11258 - S0832
 E11201 - S0756 E11201 - S0802 E11258
FCST VA CLD +12 HR: 13/0000Z SFC/FL150 S0809 E11258 - S0832
 E11201 - S0756 E11201 - S0802 E11258
FCST VA CLD +18 HR: 13/0600Z SFC/FL150 S0809 E11258 - S0820
 E11159 - S0750 E11202 - S0802 E11258
RMK: VA OBS MOV W TO SW ON SATELLITE. CVGHM REPORT VA TO
 700M ABV SUMMIT. HEIGHT AND MOVEMENT BASED ON SATELLITE
 IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261012/1820Z=

A new volcanic ash emission was observed from Santiaguito, with ash reaching 13,000 ft (4,000 m) as of 10:10 UTC on 12 October 2026. Forecasts indicate ash movement to the west-southwest and no ash expected after 22:00 UTC.
Original VAAC bulletin:

FVXX22 at 10:44 UTC, 12/10/26 from KNES
VA ADVISORY
DTG: 20261012/1041Z

VAAC: WASHINGTON

VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133

AREA: GUATEMALA

SOURCE ELEV: 12287 FT AMSL

ADVISORY NR: 2026/595

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

ERUPTION DETAILS: NEW VA EMS 

OBS VA DTG: 12/1010Z

OBS VA CLD: SFC/FL130 N1447 W09144 - N1446 W09132
- N1444 W09132 - N1438 W09142 - N1447 W09144 MOV
W 10KT 

FCST VA CLD +6HR: 12/1600Z SFC/FL130 N1446 W09132
- N1444 W09132 - N1435 W09155 - N1444 W09157 -
N1446 W09132 

FCST VA CLD +12HR: 12/2200Z NO VA EXP

FCST VA CLD +18HR: 13/0400Z NO VA EXP

RMK: VA EMS OBS IN STLT AND WEBCAM APPRX 10 NM
WSW FM SUMMIT. WSW MVMT EXP THRU T+6 ACCORDING TO
NWP MDLS. ...EVANS

NXT ADVISORY: WILL BE ISSUED BY 20261012/1645Z

Satellite image of Manam volcano on 12 Oct 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070, and moving at 05 kts in NW direction.
Original VAAC bulletin:

FVAU04 at 05:46 UTC, 12/10/26 from ADRM
VA ADVISORY
DTG: 20261012/0600Z
VAAC: DARWIN
VOLCANO: MANAM 251020
PSN: S0405 E14502
AREA: PAPUA NEW GUINEA
SOURCE ELEV: 1807M AMSL
ADVISORY NR: 2026/56
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: CONTINUOUS VA OBS TO FL070 EXT NW
OBS VA DTG: 12/0530Z
OBS VA CLD: SFC/FL070 S0404 E14505 - S0409 E14502 - S0402
 E14421 - S0334 E14430 - S0333 E14457 MOV NW 05KT
FCST VA CLD +6 HR: 12/1130Z SFC/FL070 S0408 E14501 - S0359
 E14421 - S0325 E14440 - S0345 E14507 - S0404 E14507
FCST VA CLD +12 HR: 12/1730Z SFC/FL070 S0409 E14501 - S0359
 E14421 - S0334 E14436 - S0334 E14456 - S0404 E14507
FCST VA CLD +18 HR: 12/2330Z SFC/FL070 S0408 E14502 - S0359
 E14421 - S0334 E14436 - S0335 E14456 - S0404 E14507
RMK: VA IDENTIFIABLE ON SATELLITE IMAGERY. HEIGHT AND
 FORECAST BASED ON MODEL GUIDANCE AND HIMAWARI-9 IMAGERY.
NXT ADVISORY: NO LATER THAN 20261012/1200Z=