FVXX21 KNES 211016 VA ADVISORY DTG: 20200321/1016Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/312 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONTG VA EMS OBS VA DTG: 21/0950Z OBS VA CLD: SFC/FL200 S0158 W07759 - S0208 W07759 - S0201 W07820 - S0159 W07819 - S0158 W07759 MOV E 10-15KT FCST VA CLD +6HR: 21/1600Z SFC/FL200 S0150 W07750 - S0208 W07750 - S0201 W07820 - S0159 W07819 - S0150 W07750 FCST VA CLD +12HR: 21/2200Z SFC/FL200 S0155 W07750 - S0209 W07752 - S0202 W07819 - S0159 W07819 - S0155 W07750 FCST VA CLD +18HR: 22/0400Z SFC/FL200 S0153 W07750 - S0209 W07751 - S0202 W07819 - S0159 W07819 - S0153 W07750 RMK: VA CLD OBS IN STLT IMAGERY EXT 20 NM E FM SUMMIT. VOLCAT ALERT RECEIVED 0920Z. FL WINDS FCST TO PERSIST THRU T+18. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20200321/1615Z