FVXX20 KNES 111123 VA ADVISORY DTG: 20211211/1123Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/1079 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: CONTG VA EMS. OBS VA DTG: 11/1100Z OBS VA CLD: SFC/FL210 S0149 W07812 - S0201 W07819 - S0200 W07820 - S0151 W07830 - S0149 W07812 MOV N 5KT FCST VA CLD +6HR: 11/1700Z SFC/FL210 S0159 W07820 - S0159 W07819 - S0213 W07811 - S0211 W07831 - S0159 W07820 FCST VA CLD +12HR: 11/2300Z NO VA EXP FCST VA CLD +18HR: 12/0500Z NO VA EXP RMK: VA OBS DRIFTING N WITHIN 10 NM OF SUMMIT. LOW CONFIDENCE IN OBS VA MVMT DUE TO LGT AND VRBL WINDS. NWP MDLS FCST LGT AND VRBL WINDS TO CONT THRU T+6, SO CONFIDENCE IN FCST IS LOWER. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20211211/1730Z