FVXX22 KNES 021413 VA ADVISORY DTG: 20211202/1413Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/1047 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. GEOPHYSICAL INST. ERUPTION DETAILS: VA CLDS OBS IN SUMMIT WEBCAM OBS VA DTG: 02/1350Z OBS VA CLD: SFC/FL230 S0140 W07835 - S0159 W07819 - S0202 W07820 - S0156 W07845 - S0140 W07835 MOV NW 10KT FCST VA CLD +6HR: 02/2000Z SFC/FL230 S0144 W07849 - S0159 W07819 - S0204 W07819 - S0205 W07852 - S0144 W07849 FCST VA CLD +12HR: 03/0200Z SFC/FL230 S0145 W07855 - S0159 W07819 - S0204 W07819 - S0207 W07855 - S0145 W07855 FCST VA CLD +18HR: 03/0800Z SFC/FL230 S0132 W07819 - S0202 W07818 - S0202 W07822 - S0135 W07841 - S0132 W07819 RMK: VA CLDS OBS IN WEBCAM MOVG NW FM SUMMIT. LOW CONF WITH VA EXT DUE TO WX CLDS. EALIER VA EMS TO FL450 DISP NOW SO2 GASES IN STLT IMAGERY. VA DIR/HGT FM 1339Z VONA FM GI. NWP MDLS SHOWS NW-LY TO W-LY MOVMT THRU T+12 THEN W-LY TO N-LY MOVMT THRU T+18. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20211202/2015Z