FVXX21 KNES 020104 VA ADVISORY DTG: 20220202/0104Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2022/143 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: POSS VA EMS OBS VA DTG: 02/0040Z OBS VA CLD: SFC/FL220 S0155 W07757 - S0205 W07756 - S0201 W07819 - S0159 W07820 - S0155 W07757 MOV E 15KT FCST VA CLD +6HR: 02/0630Z SFC/FL220 S0158 W07757 - S0208 W07756 - S0201 W07819 - S0159 W07820 - S0158 W07757 FCST VA CLD +12HR: 02/1230Z SFC/FL220 S0156 W07757 - S0207 W07756 - S0201 W07820 - S0159 W07820 - S0156 W07757 FCST VA CLD +18HR: 02/1830Z NO VA EXP RMK: POSS LGT EMS. VA SIGNATURE OBS OVER SUMMIT. PREV VA EMS TO E APPEARED TO DSIPT. SMALL LGT EMS POSS UNOBS BY STLT AND NEW INTMT VA EMS POSS BASED ON RECENT ACTVTY. FL BASED ON NWP. ...JLEVINE NXT ADVISORY: WILL BE ISSUED BY 20220202/0700Z