FVXX22 KNES 041259 VA ADVISORY DTG: 20211204/1259Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/1056 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA AND GASES SEEN IN SAT OBS VA DTG: 04/1230Z OBS VA CLD: SFC/FL200 S0159 W07820 - S0201 W07819 - S0217 W07838 - S0211 W07844 - S0159 W07820 MOV SW 10KT FCST VA CLD +6HR: 04/1830Z SFC/FL200 S0159 W07820 - S0202 W07819 - S0229 W07840 - S0212 W07854 - S0159 W07820 FCST VA CLD +12HR: 05/0030Z SFC/FL200 S0158 W07818 - S0201 W07818 - S0229 W07840 - S0211 W07854 - S0158 W07818 FCST VA CLD +18HR: 05/0630Z NO VA EXP RMK: VA AND GASES SEEN IN SAT MOV SW AND EXTDG ARND 20 NM FM SUMMIT. NWP GUIDANCE SHOWS A CONT SW MOV THRU T+12 HRS. VOLCAT ALERT RECEIVED. ...KIBLER NXT ADVISORY: WILL BE ISSUED BY 20211204/1900Z