FVXX25 KNES 161914
VA ADVISORY
DTG: 20210416/1914Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110

AREA: W_INDIES

SUMMIT ELEV: 3865 FT (1178 M)

ADVISORY NR: 2021/042

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

ERUPTION DETAILS: VA EMS CONT OBS IN STLT IMAGERY

OBS VA DTG: 16/1850Z

OBS VA CLD: SFC/FL150 N1428 W06335 - N1334 W06110
- N1305 W06114 - N1320 W06340 - N1428 W06335 MOV
W 15KT SFC/FL170 N1623 W06315 - N1558 W06219 -
N1339 W06216 - N1356 W06323 - N1623 W06315 MOV N
20KT SFC/FL190 N1421 W06053 - N1357 W06002 -
N1319 W06105 - N1328 W06120 - N1421 W06053 MOV NE
5KT 

FCST VA CLD +6HR: 17/0100Z SFC/FL150 N1441 W06359
- N1337 W06111 - N1303 W06111 - N1313 W06411 -
N1441 W06359 SFC/FL170 N1653 W06426 - N1644
W06317 - N1356 W06320 - N1416 W06415 - N1653
W06426 SFC/FL190 NO VA EXP

FCST VA CLD +12HR: 17/0700Z SFC/FL150 N1453
W06423 - N1335 W06106 - N1304 W06114 - N1317
W06441 - N1453 W06423 SFC/FL170 N1701 W06525 -
N1648 W06400 - N1422 W06417 - N1437 W06518 -
N1701 W06525 

FCST VA CLD +18HR: 17/1300Z SFC/FL150 N1502
W06441 - N1335 W06106 - N1305 W06109 - N1323
W06458 - N1502 W06441 SFC/FL170 NO VA EXP

RMK: HGH LVL REMANT VA EMS OBS NE FM SUMMIT EXP
DISP BY T+6. LVL VA EMS OBS AT FL150 MOVG W AND
FL170 MOVG NNW FM SUMMIT. VA HGT/DIR FM ASH3D AND
STLT/NWP MDLS SHOWS CONT W-LY AND NNW -LY MOVMT
THRU T+12 AND T+18. ...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20210417/0115Z