FVXX25 KNES 101555
VA ADVISORY
DTG: 20210410/1555Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110

AREA: W_INDIES

SUMMIT ELEV: 3865 FT (1178 M)

ADVISORY NR: 2021/010

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

ERUPTION DETAILS: CONTG EXPLOSIVE ERUPTION

OBS VA DTG: 10/1530Z

OBS VA CLD: SFC/FL350 N1656 W04404 - N1526 W04331
- N1314 W06112 - N1330 W06116 - N1429 W06126 -
N1656 W04404 MOV E  40KT SFC/FL500 N1355 W05009 -
N1031 W05007 - N1159 W06112 - N1338 W06116 -
N1355 W05009 MOV SE 30KT 

FCST VA CLD +6HR: 10/2130Z SFC/FL350 N1738 W03952
- N1529 W03918 - N1325 W06111 - N1427 W06126 -
N1738 W03952 SFC/FL500 N1453 W04400 - N1042
W04407 - N1157 W06055 - N1338 W06116 - N1453
W04400 

FCST VA CLD +12HR: 11/0330Z SFC/FL350 N1759
W03759 - N1422 W03801 - N1308 W06117 - N1434
W06126 - N1759 W03759 SFC/FL500 N1418 W04001 -
N0945 W03955 - N1122 W05526 - N1340 W05507 -
N1418 W04001 

FCST VA CLD +18HR: 11/0930Z SFC/FL350 N1443
W05249 - N1303 W04001 - N0917 W04002 - N1127
W05256 - N1443 W05249 SFC/FL500 NO VA EXP

RMK: VA RCHG OVER 1000NM ENE OF SUMMIT. MAIN
PLUME AT FL350 WITH HIGHEST TOPS AT FL500 MOVG
ESE WITH RESIDUAL VA RCHG 650NM. FL AND WINDS FM
HYSPLIT AND NWP ...MLEVINE

NXT ADVISORY: WILL BE ISSUED BY 20210410/2200Z