FVXX20 KNES 282138 VA ADVISORY DTG: 20210628/2138Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/502 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. GEOPHYSICAL INST. ERUPTION DETAILS: VA CLDS OBS IN SUMMIT WEBCAM OBS VA DTG: 28/2120Z OBS VA CLD: SFC/FL150 N0010 W07748 - S0004 W07738 - S0005 W07740 - N0001 W07757 - N0010 W07748 MOV NW 10KT FCST VA CLD +6HR: 29/0330Z SFC/FL150 N0002 W07758 - S0004 W07739 - S0007 W07738 - S0010 W07759 - N0002 W07758 FCST VA CLD +12HR: 29/0930Z NO VA EXP FCST VA CLD +18HR: 29/1530Z NO VA EXP RMK: VA CLDS OBS IN SUMMIT WEBCAM. VA HGT/DIR FM 2115Z VONA RPRT FM GI. LOW CONF WITH VA EXT DUE TO WX CLDS. NWP MLDS SHOWS NW-LY TO W-LY MOVMT TREND THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210629/0345Z