FVXX25 KNES 131645
VA ADVISORY
DTG: 20210413/1645Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110

AREA: W_INDIES

SUMMIT ELEV: 3865 FT (1178 M)

ADVISORY NR: 2021/025

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

ERUPTION DETAILS: REMNANT VA OBS.

OBS VA DTG: 13/1620Z

OBS VA CLD: SFC/FL240 N1402 W06105 - N1351 W06045
- N1328 W06109 - N1402 W06105 MOV NE 15KT
SFC/FL350 N1434 W05913 - N1306 W05634 - N0847
W05650 - N1014 W05920 - N1256 W06018 - N1259
W06053 - N1336 W06041 - N1434 W05913 MOV SE 25KT
SFC/FL400 N1026 W04922 - N0808 W04220 - N0416
W05119 - N0826 W06033 - N1026 W04922 MOV SE 30KT 

FCST VA CLD +6HR: 13/2230Z SFC/FL240 NO VA
EXP SFC/FL350 N1547 W05720 - N1156 W05119 - N0632
W05244 - N1014 W05920 - N1336 W06041 - N1547
W05720 SFC/FL400 NO VA EXP

FCST VA CLD +12HR: 14/0430Z SFC/FL350 N1422
W05515 - N1013 W04837 - N0430 W05331 - N0803
W05934 - N1301 W05906 - N1422 W05515 SFC/FL350
N1411 W05941 - N1245 W05836 - N1308 W06102 -
N1317 W06109 - N1411 W05941 

FCST VA CLD +18HR: 14/1030Z SFC/FL350 N1522
W05743 - N1304 W05331 - N0928 W04605 - N0311
W05156 - N0801 W05948 - N1411 W05950 - N1522
W05743 

RMK: RE REMNANT VA OBS IN STLT MOV PRIMARILY E
AND SE OF SUMMIT AND FANNING. LGT VA AT LOWER FL
OBS MOV N AND NE OF SUMMIT PRIOR TO DSIPTG. LGT
REMNANT ASH FM PREV EM POSS OVER CENTRAL ATL.
...JLEVINE

NXT ADVISORY: WILL BE ISSUED BY 20210413/2245Z
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