FVXX24 KNES 182148 VA ADVISORY DTG: 20210418/2148Z VAAC: WASHINGTON VOLCANO: SOUFRIERE ST VINCENT 360150 PSN: N1319 W06110 AREA: W_INDIES SUMMIT ELEV: 3865 FT (1178 M) ADVISORY NR: 2021/048 INFO SOURCE: GOES-16. PIARCO MWO. NWP MODELS. ERUPTION DETAILS: NEW VA EMS OBS VA DTG: 18/2100Z OBS VA CLD: SFC/FL070 N1344 W06311 - N1321 W06110 - N1313 W06110 - N1306 W06311 - N1344 W06311 MOV W 15KT SFC/FL150 N1321 W06110 - N1319 W06109 - N1257 W06119 - N1313 W06141 - N1321 W06110 MOV SW 10KT FCST VA CLD +6HR: 19/0300Z SFC/FL070 N1345 W06312 - N1322 W06110 - N1313 W06111 - N1307 W06311 - N1345 W06312 SFC/FL150 N1326 W06110 - N1317 W06110 - N1246 W06135 - N1255 W06203 - N1326 W06110 FCST VA CLD +12HR: 19/0900Z SFC/FL070 NO VA EXPSFC/FL150 N1324 W06108 - N1318 W06109 - N1244 W06159 - N1305 W06227 - N1324 W06108 FCST VA CLD +18HR: 19/1500Z NO VA EXP RMK: NEW VA EMS OBS IN STLT AND RPTD BY MWO. LIGHT VA MOV W AT FL070. NEW VA EMS MOV SW AT FL150. FL BASED ON NWP MDL WINDS. ...TUGGLE NXT ADVISORY: WILL BE ISSUED BY 20210419/0345Z