FVXX21 KNES 210201 VA ADVISORY DTG: 20200621/0201Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2020/509 INFO SOURCE: WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: POSS VA CLD. OBS VA DTG: 21/0130Z OBS VA CLD: SFC/FL160 N0002 W07756 - S0004 W07740 - S0005 W07740 - S0005 W07758 - N0002 W07756 MOV NW 15-20KT FCST VA CLD +6HR: 21/0730Z SFC/FL160 N0002 W07757 - S0004 W07739 - S0005 W07739 - S0005 W07758 - N0002 W07757 FCST VA CLD +12HR: 21/1330Z NO ASH EXP FCST VA CLD +18HR: 21/1930Z NO ASH EXP RMK: POSS VA CLD DUE TO ERUPTION OBS IN WEBCAM. NO VA CLD OBS IN STLT DUE TO WX CLD. FL AND FCST MVMT BASED ON NWP MODEL GDNC. ...LEVINE NXT ADVISORY: WILL BE ISSUED BY 20200621/0800Z