FVXX25 KNES 160805 VA ADVISORY DTG: 20210416/0805Z VAAC: WASHINGTON VOLCANO: SOUFRIERE ST VINCENT 360150 PSN: N1319 W06110 AREA: W_INDIES SUMMIT ELEV: 3865 FT (1178 M) ADVISORY NR: 2021/039 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: LGT VA EMS CONT OBS VA DTG: 16/0740Z OBS VA CLD: SFC/FL080 N1327 W06138 - N1321 W06111 - N1318 W06111 - N1318 W06138 - N1327 W06138 MOV W 10KT FCST VA CLD +6HR: 16/1330Z SFC/FL080 N1332 W06204 - N1322 W06110 - N1318 W06110 - N1325 W06205 - N1332 W06204 FCST VA CLD +12HR: 16/1930Z NO VA EXP FCST VA CLD +18HR: 17/0130Z NO VA EXP RMK: THIN NARROW VA PLUME DETECTED ON STLT MOVG W OF SUMMIT. HOTPOT SEEN ON SWIR. LTL CHG IN DIR/SPD OF FL WINDS NXT 6 HR. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20210416/1400Z