FVXX22 KNES 281214 VA ADVISORY DTG: 20210728/1214Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/578 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA CLDS OBS IN STLT IMAGERY OBS VA DTG: 28/1150Z OBS VA CLD: SFC/FL160 N0000 W07757 - S0003 W07740 - S0007 W07740 - S0008 W07757 - N0000 W07757 MOV W 10KT FCST VA CLD +6HR: 28/1800Z SFC/FL160 N0005 W07759 - S0004 W07739 - S0007 W07740 - S0004 W07802 - N0005 W07759 FCST VA CLD +12HR: 29/0000Z NO VA EXP FCST VA CLD +18HR: 29/0600Z NO VA EXP RMK: VA CLDS CONT OBS IN STLT AND SUMMIT WEBCAM MOVG W FM SUMMIT. LOW CONF VA EXT DUE TO WX CLDS. VA HGT/DIR FM STLT AND NWP MDLS SHOWS W-LY TO WNW-LY MOVMT TREND THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210728/1815Z