FVXX24 KNES 221635
VA ADVISORY
DTG: 20210422/1635Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110

AREA: W_INDIES

SUMMIT ELEV: 3865 FT (1178 M)

ADVISORY NR: 2021/056

INFO SOURCE: GOES-16. NWP MODELS. ASH3D. VOLCAT.
UWI SEISMIC RESEARCH CENTRE. 

ERUPTION DETAILS: NEW ERUPTION ARND 22/1510Z

OBS VA DTG: 22/1600Z

OBS VA CLD: SFC/FL120 N1338 W06103 - N1319 W06106
- N1317 W06113 - N1338 W06116 - N1338 W06103 MOV
N 10KT SFC/FL250 N1340 W06120 - N1321 W06107 -
N1319 W06113 - N1322 W06135 - N1340 W06120 MOV W
10KT 

FCST VA CLD +6HR: 22/2200Z SFC/FL120 N1458 W06102
- N1359 W06058 - N1354 W06123 - N1457 W06136 -
N1458 W06102 SFC/FL250 N1352 W06307 - N1350
W06159 - N1328 W06159 - N1302 W06305 - N1352
W06307 

FCST VA CLD +12HR: 23/0400Z SFC/FL120 N1602
W06147 - N1531 W06126 - N1512 W06154 - N1544
W06225 - N1602 W06147 SFC/FL250 N1353 W06340 -
N1247 W06332 - N1208 W06444 - N1320 W06507 -
N1353 W06340 

FCST VA CLD +18HR: 23/1000Z SFC/FL120 NO VA
EXPSFC/FL250 N1305 W06542 - N1150 W06521 - N1106
W06613 - N1159 W06710 - N1305 W06542 

RMK: NEW ERUPTION ARND 22/1510Z. VA AT FL120 MOV
N FM SUMMIT WITH GRADUAL TURN BY T+12 TO THE NW.
VA AT FL250 MOV WNW FM SUMMIT WITH GRADUAL TURN
TO THE WSW BY T+6. HGT AND MOV AND SPEED BASED ON
NWP AND ASH3D AND STLT. ...TUGGLE

NXT ADVISORY: WILL BE ISSUED BY 20210422/2230Z