FVXX22 KNES 281608 VA ADVISORY DTG: 20210728/1608Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/579 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: OCNL VA CLDS OBS IN STLT IMAGERY OBS VA DTG: 28/1550Z OBS VA CLD: SFC/FL160 N0005 W07754 - S0003 W07738 - S0005 W07740 - S0001 W07758 - N0005 W07754 MOV NW 10KT FCST VA CLD +6HR: 28/2200Z SFC/FL160 N0008 W07756 - S0003 W07738 - S0006 W07740 - S0001 W07802 - N0008 W07756 FCST VA CLD +12HR: 29/0400Z NO VA EXP FCST VA CLD +18HR: 29/1000Z NO VA EXP RMK: OCNL VA CLDS OBS IN STLT MOVG NW FM SUMMIT. LOW CONF IN VA EXT DUE TO WX CLDS OVER REGION. VA HGT FM PREV VAA. VA DIR FM STLT AND NWP MDLS SHOWS CONT NW-LY MOVMT THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210728/2215Z