FVXX22 KNES 211727 VA ADVISORY DTG: 20170421/1727Z VAAC: WASHINGTON VOLCANO: POAS 345040 PSN: N1011 W08413 AREA: COSTA.RICA SUMMIT ELEV: 8884 FT (2708 M) ADVISORY NR: 2017/015 INFO SOURCE: GOES-EAST. GFS WINDS. OVSICORI-UNA. ERUPTION DETAILS: OCNL EM OBS VA DTG: 21/1645Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL090 225/5-10KT FCST VA CLD +6HR: 21/2300Z FCST VA CLD +12HR: 22/0500Z FCST VA CLD +18HR: 22/1100Z RMK: T+0 CONFIDENCE IS LOW. VA NOT OBSERVED VIA STLT DUE TO WX CLDS. OVSICORI RPRTS WEAK TO MOD EM TO 100M ABOVE CRATER. ...GAETANO NXT ADVISORY: WILL BE ISSUED BY 20170421/2330Z