Satellite image of Santiaguito volcano on 19 Sep 2026
Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 14000 ft (4300 m), or flight level 140.
Original VAAC bulletin:
FVXX22 at 16:22 UTC, 19/09/26 from KNES
VA ADVISORY
DTG: 20260919/1619Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SOURCE ELEV: 12287 FT AMSL
ADVISORY NR: 2026/556
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 19/1550Z
OBS VA CLD: SFC/FL140 N1446 W09133 - N1444 W09132
- N1436 W09137 - N1438 W09140 - N1446 W09133 MOV
SW 5KT
FCST VA CLD +6HR: 19/2200Z SFC/FL140 N1450 W09141
- N1446 W09133 - N1444 W09133 - N1445 W09141 -
N1450 W09141
FCST VA CLD +12HR: 20/0400Z SFC/FL140 N1447
W09135 - N1446 W09130 - N1440 W09129 - N1441
W09136 - N1447 W09135
FCST VA CLD +18HR: 20/1000Z NO VA EXP
RMK: VA EMS OBS IN STLT IMG UP TO APPRX 10NM FM
SUMMIT. NWP MDL GUIDANCE FCSTS LGT AND VARIABLE
MOVMT TO THE W THRU T+6, THEN GEN SE MOVMT BY
T+12. HGT BASED ON MOVMT AND NWP MDLS. ...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260919/2215Z