Volcanic Ash Advisory Center Washington (VAAC) issued the following report:
FVXX21 at 13:20 UTC, 28/12/25 from KNES
VA ADVISORY
DTG: 20251228/1317Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SOURCE ELEV: 12287 FT AMSL
ADVISORY NR: 2025/891
INFO SOURCE:
ERUPTION DETAILS: LGT VA EMS OBS
EST VA DTG: 28/1240Z
EST VA CLD: SFC/FL130 N1450 W09132 – N1445 W09132
– N1444 W09134 – N1449 W09135 – N1450 W09132 MOV
NW 5KT
FCST VA CLD +6HR: 28/1830Z SFC/FL130 N1501 W09135
– N1446 W09131 – N1444 W09134 – N1459 W09140 –
N1501 W09135
FCST VA CLD +12HR: 29/0030Z NO VA EXP
FCST VA CLD +18HR: 29/0630Z NO VA EXP
RMK: VA EMS NOT OBS IN STLT IMG. LGT VA EMS SEEN
IN WEBCAM. NWP MDL GUIDANCE FCSTS GEN NW MOVMT
THRU T+6. …MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20251228/1930Z