FVXX21 KNES 312306 VA ADVISORY DTG: 20210331/2306Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/325 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: FRQ VA EMS OBS VA DTG: 31/2230Z OBS VA CLD: SFC/FL190 S0159 W07819 - S0202 W07819 - S0213 W07849 - S0205 W07850 - S0159 W07819 MOV SW 10KT FCST VA CLD +6HR: 01/0430Z SFC/FL190 S0200 W07819 - S0203 W07819 - S0223 W07857 - S0209 W07901 - S0200 W07819 FCST VA CLD +12HR: 01/1030Z SFC/FL190 S0159 W07819 - S0202 W07819 - S0233 W07906 - S0216 W07913 - S0159 W07819 FCST VA CLD +18HR: 01/1630Z NO VA EXP RMK: FRQ VA EMS OBS FM STLT DATA MOVG SW TO ABT 30NM FM SUMMIT. NWP FCST WINDS TO SHFT SLGTLY FRTHR S THRU T+12. FL FM NWP ...MLEVINE NXT ADVISORY: WILL BE ISSUED BY 20210401/0500Z