FVXX25 KNES 091433
VA ADVISORY
DTG: 20210409/1433Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110

AREA: W_INDIES

SUMMIT ELEV: 3865 FT (1178 M)

ADVISORY NR: 2021/003

INFO SOURCE: GOES-16. NWP MODELS. HYSPLIT. UWI
SEISMIC RESEARCH CENTRE. 

ERUPTION DETAILS: ONGOING ERUPTION

OBS VA DTG: 09/1345Z

OBS VA CLD: SFC/FL200 N1334 W06108 - N1308 W06107
- N1259 W06135 - N1332 W06138 - N1334 W06108 MOV
W 10KT SFC/FL400 N1346 W06014 - N1303 W06013 -
N1305 W06103 - N1334 W06105 - N1346 W06014 MOV E
45KT 

FCST VA CLD +6HR: 09/2000Z SFC/FL200 N1337 W06203
- N1335 W06107 - N1310 W06105 - N1259 W06203 -
N1337 W06203 SFC/FL400 N1546 W05648 - N1325
W05648 - N1247 W06107 - N1404 W06110 - N1546
W05648 

FCST VA CLD +12HR: 10/0200Z SFC/FL200 N1341
W06014 - N1305 W06016 - N1256 W06207 - N1337
W06208 - N1341 W06014 SFC/FL400 N1758 W05044 -
N1401 W05046 - N1250 W06105 - N1406 W06112 -
N1758 W05044 

FCST VA CLD +18HR: 10/0800Z SFC/FL200 N1444
W05358 - N1321 W05356 - N1205 W06803 - N1359
W06803 - N1444 W05358 SFC/FL400 N1551 W04400 -
N1346 W04358 - N1249 W06112 - N1419 W06108 -
N1551 W04400 

RMK: ONGOING EXPLOSIVE ERUPTION OBS FM UWI
SEISMIC RESEARCH CENTRE AND STLT DATA. VA SPRDG W
TO OVER 10NM AND E TO OVER 50NM. LWR LVL VA FCST
TO SPRD E AND W WHILE UPR LVL VA FCST TO SPRD E
THRU T+18. FL AND WINDS FM HYSPLIT ...MLEVINE

NXT ADVISORY: WILL BE ISSUED BY 20210409/2030Z