FVXX20 KNES 250541 VA ADVISORY DTG: 20210325/0541Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/208 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. GEOPHYSICAL INST. ERUPTION DETAILS: OCNL VA CLDS OBS IN SUMMIT WEBCAM OBS VA DTG: 25/0520Z OBS VA CLD: SFC/FL150 S0000 W07753 - S0004 W07739 - S0006 W07739 - S0008 W07753 - S0000 W07753 MOV W 5KT FCST VA CLD +6HR: 25/1130Z SFC/FL150 N0009 W07749 - S0004 W07738 - S0006 W07740 - N0002 W07757 - N0009 W07749 FCST VA CLD +12HR: 25/1730Z NO VA EXP FCST VA CLD +18HR: 25/2330Z NO VA EXP RMK: OCNL VA CLDS OBS IN SUMMIT WEBCAM. LOW CONF WITH VAA DUE TO WX CLDS OVER REGION. VA HGT/DIR FM 0410Z VONA RPRT FM GI. NWP MDLS SHOWS W-LY TO NW-LY MOVMT TREND THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210325/1145Z