FVXX21 KNES 260956 VA ADVISORY DTG: 20211226/0956Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/1124 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: CONS VA EMS. OBS VA DTG: 26/0930Z OBS VA CLD: SFC/FL210 S0200 W07820 - S0244 W07802 - S0252 W07819 - S0201 W07821 - S0200 W07820 MOV S 20KT FCST VA CLD +6HR: 26/1530Z SFC/FL210 S0159 W07819 - S0250 W07759 - S0255 W07827 - S0201 W07821 - S0159 W07819 FCST VA CLD +12HR: 26/2130Z SFC/FL210 S0159 W07819 - S0253 W07755 - S0259 W07817 - S0202 W07821 - S0159 W07819 FCST VA CLD +18HR: 27/0330Z SFC/FL210 S0159 W07819 - S0307 W07803 - S0232 W07827 - S0201 W07821 - S0159 W07819 RMK: VA CLD EXTDS 40 NMI SSE OF THE SUMMIT. NWP MDLS SUGGEST VA BTWN FL200 AND FL210. NWP MDLS FCST LTLCG IN WINDS THRU T+12HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20211226/1600Z