FVXX20 KNES 032012 VA ADVISORY DTG: 20201203/2012Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/1173 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA CLDS OBS IN STLT IMAGERY OBS VA DTG: 03/1950Z OBS VA CLD: SFC/FL200 S0159 W07820 - S0201 W07818 - S0214 W07826 - S0204 W07834 - S0159 W07820 MOV SW 10KT FCST VA CLD +6HR: 04/0200Z SFC/FL200 S0158 W07821 - S0201 W07817 - S0221 W07829 - S0207 W07842 - S0158 W07821 FCST VA CLD +12HR: 04/0800Z SFC/FL200 S0158 W07820 - S0201 W07817 - S0226 W07832 - S0208 W07848 - S0158 W07820 FCST VA CLD +18HR: 04/1400Z NO VA EXP RMK: VA CLDS OBS IN STLT APPROX 10 NMI SW FM SUMMIT MOVG SW. VA HGT/DIR FM PREV VAA AND STLT. NWP MDLS SHOWS CONT SW-LY MOVMT THRU T+12. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20201204/0215Z