FVXX23 KNES 110034 VA ADVISORY DTG: 20210711/0034Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/653 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA CLDS OBS IN STLT IMAGERY OBS VA DTG: 11/0000Z OBS VA CLD: SFC/FL190 S0159 W07820 - S0202 W07819 - S0216 W07838 - S0203 W07843 - S0159 W07820 MOV SW 15KT FCST VA CLD +6HR: 11/0600Z SFC/FL190 S0158 W07820 - S0202 W07818 - S0224 W07847 - S0204 W07853 - S0158 W07820 FCST VA CLD +12HR: 11/1200Z NO VA EXP FCST VA CLD +18HR: 11/1800Z NO VA EXP RMK: VA CLDS OBS IN STLT MOVG SW FM SUMMIT. LOW CONF WITH VA EXT DUE TO WX CLDS OBS OVER REGION. VA HGT/DIR FM STLT AND NWP MDLS SHOWS CONT SW-LY MOVMT THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210711/0630Z