FVXX24 KNES 222116
VA ADVISORY
DTG: 20210422/2116Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110

AREA: W_INDIES

SUMMIT ELEV: 3865 FT (1178 M)

ADVISORY NR: 2021/057

INFO SOURCE: GOES-16. NWP MODELS. HYSPLIT. ASH3D.
PILOT RPRT. 

ERUPTION DETAILS: VA CLDS OBS IN STLT.

OBS VA DTG: 22/2050Z

OBS VA CLD: SFC/FL100 N1425 W06045 - N1415 W06019
- N1320 W06108 - N1319 W06113 - N1411 W06113 -
N1425 W06045 MOV NE 5KT SFC/FL280 N1416 W06234 -
N1358 W06114 - N1322 W06108 - N1317 W06112 -
N1350 W06251 - N1416 W06234 MOV NW 5KT 

FCST VA CLD +6HR: 23/0300Z SFC/FL100 N1501 W06040
- N1441 W05952 - N1352 W06041 - N1406 W06101 -
N1501 W06040 SFC/FL280 N1506 W06327 - N1411
W06222 - N1350 W06237 - N1436 W06401 - N1506
W06327 

FCST VA CLD +12HR: 23/0900Z NO VA EXP

FCST VA CLD +18HR: 23/1500Z NO VA EXP

RMK: LGT REMNANT VA CLDS FM EARLIER EM OBS IN
STLT EXTDG NNE OF SUMMIT APRX 74 NMI AT FL100 AND
APRX 98 NMI NW OF SUMMIT AT FL280. FL BASED ON
NWP MODEL GDNC WINDS, MVMT AND PIREPS. NW VA CLD
THICKER AND MOVG QUICKLY NW. NNE VA CLDS
DISSPITG. ...JLEVINE

NXT ADVISORY: WILL BE ISSUED BY 20210423/0315Z