FVXX21 KNES 181526 VA ADVISORY DTG: 20200618/1526Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2020/507 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. WEB CAM. NWP MODELS. ERUPTION DETAILS: MWO RPTS VA CLD OBS AT 1441Z OBS VA DTG: 18/1500Z OBS VA CLD: SFC/FL160 N0005 W07737 - S0005 W07739 - S0004 W07740 - N0005 W07746 - N0005 W07737 MOV N 10-15KT FCST VA CLD +6HR: 18/2100Z SFC/FL160 N0008 W07740 - S0004 W07739 - S0005 W07740 - N0005 W07752 - N0008 W07740 FCST VA CLD +12HR: 19/0300Z NO ASH EXP FCST VA CLD +18HR: 19/0900Z NO ASH EXP RMK: VA CLD TO FL160 RPTD BY MWO MOV N FM SUMMIT. VA NOT OBS IN SAT DUE TO WX CLD OBSCN BUT IS SEEN IN WEBCAM BELOW WX CLD LAYER. OBS VA EXTENT ESTD FM NWP MDLS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20200618/2130Z