FVXX25 KNES 132316
VA ADVISORY
DTG: 20210413/2316Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110

AREA: W_INDIES

SUMMIT ELEV: 3865 FT (1178 M)

ADVISORY NR: 2021/027

INFO SOURCE: GOES-16. PIARCO MWO. NWP MODELS.
VOLCAT. RADIOSONDE. 

ERUPTION DETAILS: REMNANT VA EMS OBS IN STLT
IMAGERY

OBS VA DTG: 13/2250Z

OBS VA CLD: SFC/FL350 N1346 W05852 - N1242 W05052
- N0545 W05248 - N0606 W05650 - N1220 W05933 -
N1346 W05852 MOV SE 30KT 

FCST VA CLD +6HR: 14/0500Z SFC/FL350 N1328 W05654
- N1228 W04557 - N0356 W04819 - N0435 W05632 -
N1122 W05902 - N1328 W05654 

FCST VA CLD +12HR: 14/1100Z SFC/FL350 N1305
W05523 - N1226 W04322 - N0312 W04418 - N0433
W05532 - N1305 W05523 

FCST VA CLD +18HR: 14/1700Z SFC/FL350 N1250
W05258 - N1228 W04249 - N0304 W04331 - N0425
W05405 - N1250 W05258 

RMK: NEW VA EMS PSBL WITH SUMMIT HOTSPOT OBS.
REMNANT VA EMS FM EARLIER 1100Z ERUPTION OBS IN
STLT APPROX 600NM SE FM SUMMIT. VA HGT/DIR FM
PREV VAA, STLT/NWP MDLS SHOWS CONT SE-LY MOVMT
THRU T+18. ...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20210414/0515Z
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