FVXX25 KNES 142224
VA ADVISORY
DTG: 20210414/2224Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110

AREA: W_INDIES

SUMMIT ELEV: 3865 FT (1178 M)

ADVISORY NR: 2021/033

INFO SOURCE: GOES-16. NWP MODELS. HYSPLIT. 

ERUPTION DETAILS: REMNANT VA FM EARLIER EXPLOSION

OBS VA DTG: 14/2200Z

OBS VA CLD: SFC/FL120 N1409 W06103 - N1318 W06100
- N1317 W06120 - N1407 W06120 - N1409 W06103 MOV
N 5KT SFC/FL350 N1343 W05742 - N1343 W05604 -
N1240 W05652 - N1241 W05757 - N1343 W05742 MOV E
45KT SFC/FL450 N1441 W05530 - N1346 W05529 -
N1347 W05625 - N1429 W05624 - N1441 W05530 MOV E
45KT 

FCST VA CLD +6HR: 15/0400Z SFC/FL120 N1437 W06106
- N1309 W06100 - N1307 W06118 - N1434 W06141 -
N1437 W06106 SFC/FL350 N1338 W05453 - N1332
W05141 - N1154 W05141 - N1228 W05510 - N1338
W05453 SFC/FL450 N1529 W05054 - N1338 W05102 -
N1337 W05317 - N1504 W05318 - N1529 W05054 

FCST VA CLD +12HR: 15/1000Z SFC/FL120 N1519
W06107 - N1402 W06101 - N1352 W06129 - N1515
W06153 - N1519 W06107 SFC/FL350 N1332 W05141 -
N1328 W04835 - N1110 W04830 - N1120 W05140 -
N1332 W05141 SFC/FL450 N1611 W04455 - N1337
W04458 - N1340 W05100 - N1525 W05053 - N1611
W04455 

FCST VA CLD +18HR: 15/1600Z SFC/FL120 NO VA
EXP SFC/FL350 N1346 W04425 - N1101 W04431 - N1112
W04832 - N1335 W04829 - N1346 W04425 SFC/FL450
N1714 W04139 - N1352 W04139 - N1346 W04453 -
N1618 W04458 - N1714 W04139 

RMK: PSBLY ONGOING VA EMS AT FL120 MOVG N TO NNW
THRU T+12. REMNANT VA AT FL350 MOVG E THRU T+18.
REMNANT VA MOVG ENE THRU T+18. SOME VA MAY BE
OBSCD BY WX CLDS ...MLEVINE

NXT ADVISORY: WILL BE ISSUED BY 20210415/0430Z
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