FVXX23 KNES 041429 VA ADVISORY DTG: 20211104/1429Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/951 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. GEOPHYSICAL INST. ERUPTION DETAILS: VA CLDS OBS IN STLT AND SUMMIT WEBCAM OBS VA DTG: 04/1410Z OBS VA CLD: SFC/FL190 S0200 W07818 - S0219 W07810 - S0221 W07824 - S0201 W07821 - S0200 W07818 MOV S 5KT FCST VA CLD +6HR: 04/2000Z SFC/FL190 S0159 W07817 - S0231 W07800 - S0232 W07828 - S0200 W07822 - S0159 W07817 FCST VA CLD +12HR: 05/0200Z NO VA EXP FCST VA CLD +18HR: 05/0800Z NO VA EXP RMK: VA CLDS WITH STEAM/GAS EMS OBS IN STLT/WEBCAM MOVG S FM SUMMIT. LOW CONF WITH VA EXT DUE TO WX CLDS. VA HGT/DIR FM 1309Z VONA FM GI. NWP MDLS SHOWS S-LY MOVMT THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20211104/2030Z