FVXX20 KNES 100543
VA ADVISORY
DTG: 20210410/0543Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110

AREA: W.INDIES

SUMMIT ELEV: 3865 FT (1178 M)

ADVISORY NR: 2021/008

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

ERUPTION DETAILS: CONTG MAJOR ERUPTION.

OBS VA DTG: 10/0500Z

OBS VA CLD: SFC/FL060 N1322 W06110 - N1314 W06112
- N1302 W06155 - N1320 W06156 - N1322 W06110 MOV
W 5KT SFC/FL430 N1629 W05517 - N1435 W05450 -
N1259 W06107 - N1406 W06124 - N1629 W05517 MOV E
45KT SFC/FL550 N1413 W06007 - N1141 W05507 -
N1028 W05536 - N1223 W06105 - N1322 W06113 -
N1413 W06007 MOV SE 35KT 

FCST VA CLD +6HR: 10/1100Z SFC/FL060 N1320 W06110
- N1313 W06108 - N1242 W06231 - N1314 W06236 -
N1320 W06110 SFC/FL430 N1729 W05134 - N1335
W05104 - N1257 W06113 - N1328 W06113 - N1422
W06055 - N1729 W05134 SFC/FL550 N1544 W05426 -
N0952 W04955 - N0848 W05528 - N1310 W06113 -
N1346 W06115 - N1544 W05426 

FCST VA CLD +12HR: 10/1700Z SFC/FL060 NO VA
EXPSFC/FL430 N1750 W04658 - N1322 W04834 - N1325
W06112 - N1539 W05849 - N1750 W04658 SFC/FL550 NO
VA EXP

FCST VA CLD +18HR: 10/2300Z SFC/FL430 N1826
W04214 - N1313 W04340 - N1308 W05914 - N1610
W05729 - N1826 W04214 

RMK: VA EXTDS NEARLY 400 NMI ENE FM SUMMIT AND
ABT 350 NMI ESE FM SUMMIT. NWP MDLS AND SE VA
MOVMT SUGGEST VA TO HIGHER THAN PREV ADVY. FCSTS
BASED ON NWP MDLS, HYSPLIT AND ASH3D. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20210410/1145Z