FVXX25 KNES 161244
VA ADVISORY
DTG: 20210416/1244Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110

AREA: W_INDIES

SUMMIT ELEV: 3865 FT (1178 M)

ADVISORY NR: 2021/040

INFO SOURCE: GOES-16. NWP MODELS. ASH3D. VOLCAT. 

ERUPTION DETAILS: NEW ERUPTION ARND 1000Z.

OBS VA DTG: 16/1200Z

OBS VA CLD: SFC/FL130 N1354 W06146 - N1320 W06110
- N1318 W06111 - N1323 W06140 - N1354 W06146 MOV
NW 25KT SFC/FL180 N1335 W06049 - N1321 W06053 -
N1319 W06111 - N1323 W06116 - N1335 W06049 MOV SE
15KT SFC/FL240 N1322 W06052 - N1307 W06059 -
N1319 W06113 - N1320 W06111 - N1322 W06052 MOV SE
10KT 

FCST VA CLD +6HR: 16/1800Z SFC/FL130 N1454 W06150
- N1322 W06111 - N1316 W06238 - N1438 W06322 -
N1454 W06150 SFC/FL180 N1437 W05959 - N1326
W05902 - N1322 W06111 - N1358 W06144 - N1437
W05959 SFC/FL240 N1322 W05902 - N1201 W05723 -
N1210 W05943 - N1316 W06116 - N1322 W05902 

FCST VA CLD +12HR: 17/0000Z SFC/FL130 N1550
W06302 - N1405 W06259 - N1404 W06553 - N1547
W06519 - N1550 W06302 SFC/FL180 N1436 W06005 -
N1431 W05802 - N1257 W05809 - N1317 W06010 -
N1436 W06005 SFC/FL240 N1325 W05933 - N1230
W05638 - N1114 W05714 - N1218 W06006 - N1325
W05933 

FCST VA CLD +18HR: 17/0600Z SFC/FL130 N1651
W06349 - N1453 W06408 - N1428 W06718 - N1613
W06649 - N1651 W06349 SFC/FL180 NO VA
EXP SFC/FL240 NO VA EXP

RMK: NEW ERUPTION OBSD BY STLT BTWN 1000Z AND
1010Z. VA EXTDS OVR 40 NMI NW AND ABT 20 NMI ENE
AND SE FM SUMMIT. FLS ESTD FM NWP MDLS. NWP MDLS
AND ASH3D USED IN VA FCSTS.  ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20210416/1845Z
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