FVXX21 KNES 282337 VA ADVISORY DTG: 20210828/2337Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/706 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. GEOPHYSICAL INST. ERUPTION DETAILS: VA CLDS OBS IN SUMMIT WEBCAM OBS VA DTG: 28/2310Z OBS VA CLD: SFC/FL150 N0001 W07757 - S0004 W07740 - S0006 W07740 - S0007 W07757 - N0001 W07757 MOV W 15KT FCST VA CLD +6HR: 29/0500Z SFC/FL150 N0002 W07800 - S0004 W07739 - S0006 W07739 - S0007 W07801 - N0002 W07800 FCST VA CLD +12HR: 29/1100Z SFC/FL150 N0002 W07800 - S0004 W07739 - S0005 W07738 - S0007 W07801 - N0002 W07800 FCST VA CLD +18HR: 29/1700Z NO VA EXP RMK: VA CLDS CONT OBS IN SUMMIT WEBCAM MOVG W. LOW CONF WITH VA EXT DUE TO WX CLDS. VA HGT/DIR FM 2256Z VONA RPRT FM GI. NWP MLDS SHOWS CONT W-LY MOVMT THRU T+12. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210829/0530Z