FVXX21 KNES 081937 VA ADVISORY DTG: 20200908/1937Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2020/766 INFO SOURCE: GOES-EAST. VONA. WEB CAM. NWP MODELS. ERUPTION DETAILS: VA CLDS OBS IN SUMMIT WEB CAM. OBS VA DTG: 08/1910Z OBS VA CLD: SFC/FL140 N0001 W07755 - S0003 W07740 - S0006 W07739 - S0008 W07755 - N0001 W07755 MOV W 10-15KT FCST VA CLD +6HR: 09/0100Z SFC/FL140 N0008 W07751 - S0004 W07738 - S0007 W07739 - S0001 W07759 - N0008 W07751 FCST VA CLD +12HR: 09/0700Z SFC/FL140 N0010 W07750 - S0005 W07737 - S0007 W07740 - N0001 W07801 - N0010 W07750 FCST VA CLD +18HR: 09/1300Z NO VA EXP RMK: VA CLDS OBS IN SUMMIT WEB CAM. LOW CONF WITH VA EXT DUE TO WX CLDS. VA HGT/DIR FM STLT AND 1914Z VONA RPRT FM GI. NWP MDLS SHOWS W-LY TO NW-LY MOVMT TREND THRU T+12. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20200909/0130Z