FVXX25 KNES 300054 VA ADVISORY DTG: 20210930/0054Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/843 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: OCNL LGT VA CLDS OBS IN STLT IMAGERY OBS VA DTG: 30/0030Z OBS VA CLD: SFC/FL200 S0159 W07820 - S0202 W07819 - S0214 W07841 - S0204 W07846 - S0159 W07820 MOV SW 5KT FCST VA CLD +6HR: 30/0630Z SFC/FL200 S0158 W07853 - S0159 W07819 - S0202 W07819 - S0214 W07852 - S0158 W07853 FCST VA CLD +12HR: 30/1230Z NO VA EXP FCST VA CLD +18HR: 30/1830Z NO VA EXP RMK: OCNL LGT VA CLDS OBS MOVG WSW FM SUMMIT. LOW CONF IN VAA DUE TO WX CLDS. VA HGT/DIR FM NWP MDLS SHOWS A WSW-LY TO W-LY MOVMT TREND THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210930/0700Z