FVXX20 KNES 241635
VA ADVISORY
DTG: 20211124/1635Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12375 FT (3772 M)
ADVISORY NR: 2021/017
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA EMS SEEN SW OF SUMMIT
OBS VA DTG: 24/1600Z
OBS VA CLD: SFC/FL150 N1446 W09134 - N1445 W09132
- N1435 W09137 - N1440 W09143 - N1446 W09134 MOV
SW 10KT
FCST VA CLD +6HR: 24/2200Z SFC/FL150 N1445 W09134
- N1445 W09132 - N1430 W09142 - N1438 W09150 -
N1445 W09134
FCST VA CLD +12HR: 25/0400Z NO VA EXP
FCST VA CLD +18HR: 25/1000Z NO VA EXP
RMK: LIGHT VA PLUME WAS DETECTED IN STLT MOVG
APPRX 10NM SW OF SUMMIT. VA FCST THRU T+6 HRS
BASED ON NWP MDLS. FCST WINDS AND OBS VA MOTION
NOT IN AGREEMENT SO LOWER CONFIDENCE. ...COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20211124/2230Z
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