FVXX25 KNES 131928
VA ADVISORY
DTG: 20210413/1928Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110

AREA: W_INDIES

SUMMIT ELEV: 3865 FT (1178 M)

ADVISORY NR: 2021/026

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

ERUPTION DETAILS: VA EMS CONT OBS IN STLT IMAGERY

OBS VA DTG: 13/1910Z

OBS VA CLD: SFC/FL085 N1405 W06058 - N1320 W06106
- N1316 W06116 - N1403 W06209 - N1405 W06058 MOV
NW 5KT SFC/FL350 N1407 W06047 - N1256 W05352 -
N0835 W05506 - N0839 W05806 - N1338 W06058 -
N1407 W06047 MOV E 30KT 

FCST VA CLD +6HR: 14/0100Z SFC/FL085 N1424 W06102
- N1322 W06105 - N1314 W06117 - N1411 W06231 -
N1424 W06102 SFC/FL350 N1407 W06037 - N1305
W05104 - N0702 W05200 - N0831 W05828 - N1324
W06053 - N1407 W06037 

FCST VA CLD +12HR: 14/0700Z SFC/FL085 NO VA
EXPSFC/FL350 N1359 W05930 - N1259 W04835 - N0606
W04833 - N0810 W05831 - N1243 W06020 - N1359
W05930 

FCST VA CLD +18HR: 14/1300Z SFC/FL085 NO VA
EXPSFC/FL350 N1351 W05816 - N1316 W04617 - N0535
W04629 - N0755 W05838 - N1159 W05955 - N1351
W05816 

RMK: NEW LOW LVL VA EMS OBS MOVG NW FM SUMMIT EXP CONT
NW-LY MOVMT THRU T+6. REMANT HIGH LVL VA EMS FM EARLIER
1100Z ERUPTION OBS 450NM ESE FM SUMMIT. VA HGT/DIR FM 
NWP MLDS SHOWS ESE-LY TO E-LY MOVMT TREND THRU T+18. ...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20210414/0130Z
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