FVXX21 KNES 041335 VA ADVISORY DTG: 20210804/1335Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/600 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. GEOPHYSICAL INST. ERUPTION DETAILS: VA CLDS OBS IN STLT AND SUMMIT WEBCAM OBS VA DTG: 04/1310Z OBS VA CLD: SFC/FL160 N0012 W07747 - S0004 W07738 - S0005 W07740 - N0004 W07758 - N0012 W07747 MOV NW 15KT FCST VA CLD +6HR: 04/1900Z SFC/FL160 N0015 W07750 - S0005 W07738 - S0006 W07740 - N0003 W07801 - N0015 W07750 FCST VA CLD +12HR: 05/0100Z SFC/FL160 N0010 W07758 - S0004 W07738 - S0006 W07739 - S0005 W07802 - N0010 W07758 FCST VA CLD +18HR: 05/0700Z NO VA EXP RMK: VA CLDS CONT OBS IN STLT AND SUMMIT WEBCAM MOVG NW FM SUMMIT. VA HGT FM 1129Z VONA RPRT FM GI. VA DIR FM STLT. NWP MDLS SHOWS NW-LY TO WNW-LY MOVMT TREND THRU T+12. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210804/1930Z