FVXX25 KNES 092108
VA ADVISORY
DTG: 20210409/2108Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110

AREA: W_INDIES

SUMMIT ELEV: 3865 FT (1178 M)

ADVISORY NR: 2021/006

INFO SOURCE: GOES-16. NWP MODELS. HYSPLIT. PILOT
RPRT. UWI SEISMIC RESEARCH CENTRE. 

ERUPTION DETAILS: NEW EXPLOSIVE EM PLUS REMNANT
VA.

OBS VA DTG: 09/2020Z

OBS VA CLD: SFC/FL200 N1316 W05952 - N1238 W05939
- N1219 W06024 - N1228 W06114 - N1255 W06106 -
N1245 W06036 - N1316 W05952 MOV SE 10KT SFC/FL400
N1413 W05805 - N1340 W05756 - N1322 W05932 -
N1342 W05934 - N1413 W05805 MOV E 35KT SFC/FL520
N1358 W06007 - N1303 W06020 - N1319 W06109 -
N1323 W06110 - N1332 W06104 - N1358 W06007 MOV E
40KT 

FCST VA CLD +6HR: 10/0230Z SFC/FL520 N1413 
W05819 - N1331 W05803 - N1315 W05928 - N1355 
W05928 - N1413 W05819 

FCST VA CLD +12HR: 10/0830Z SFC/FL520 N1426
W05532 - N1331 W05529 - N1337 W05703 - N1410
W05702 - N1426 W05532 

FCST VA CLD +18HR: 10/1430Z NO VA EXP

RMK: NEW EM SHOWING CLOUD TOP TEMPS AT MINUS 78C,
WHICH CONVEYS HEIGHT OF 52KFT. NUMEROUS LIGHTNING
STRIKES IN VOLC CB.  VA MOV OFF TO E. REMNANT VA
FM EARLIER EMS DISPERSING W/I 6 HRS. ...LEE

NXT ADVISORY: WILL BE ISSUED BY 20210410/0315Z
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