FVXX21 KNES 031300 VA ADVISORY DTG: 20210803/1300Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/595 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA CLDS OBS IN SUMMIT WEBCAM OBS VA DTG: 03/124-Z OBS VA CLD: SFC/FL140 N0005 W07752 - S0004 W07739 - S0005 W07740 - S0001 W07758 - N0005 W07752 MOV NW 15KT FCST VA CLD +6HR: 03/1800Z SFC/FL140 N0009 W07755 - S0004 W07738 - S0006 W07740 - N0000 W07801 - N0009 W07755 FCST VA CLD +12HR: 04/0000Z NO VA EXP FCST VA CLD +18HR: 04/0600Z NO VA EXP RMK: VA CLDS OBS IN SUMMIT WEBCAM MOVG NW FM SUMMIT. LOW CONF WITH VA EXT DUE TO WX CLDS AND VA NOT SEEN IN STLT. VA HGT/DIR FM NWP MDLS SHOWS CONT NW-LY MOVMT THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210803/1900Z