Volcanic Ash Advisory Center Washington (VAAC) issued the following report:
FVXX21 at 20:55 UTC, 15/05/26 from KNES
VA ADVISORY
DTG: 20260515/2053Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SOURCE ELEV: 12287 FT AMSL
ADVISORY NR: 2026/243
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: POSS VA EMS
EST VA DTG: 15/2030Z
EST VA CLD: SFC/FL140 N1446 W09133 – N1445 W09132
– N1435 W09144 – N1440 W09146 – N1446 W09133 MOV
SW 10KT
FCST VA CLD +6HR: 16/0230Z SFC/FL140 N1446 W09132
– N1444 W09132 – N1435 W09143 – N1443 W09146 –
N1446 W09132
FCST VA CLD +12HR: 16/0830Z SFC/FL140 N1446
W09133 – N1444 W09132 – N1437 W09140 – N1443
W09143 – N1446 W09133
FCST VA CLD +18HR: 16/1430Z NO VA EXP
RMK: VA EMS/CLDS NOT OBSD IN SAT AND WEBCAM DUE
TO DENSE MET CLDS. VA FL/DIR BASED ON PREV ADVY
AND MDL GUIDANCE. NWP MDL FCST LTLCG THRU
T+12HRS. …ZENG
NXT ADVISORY: WILL BE ISSUED BY 20260516/0300Z