FVXX21 KNES 200419 VA ADVISORY DTG: 20160920/0419Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2016/178 INFO SOURCE: GOES-EAST. METAR. GFS WINDS. VOLCANO WEB CAMERA. OVSICORI-UNA. ERUPTION DETAILS: ONGOING BUT DIMINISHING EMISSIONS OBS VA DTG: 20/0345Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL120 090/10KT FCST VA CLD +6HR: 20/1000Z FCST VA CLD +12HR: 20/1600Z FCST VA CLD +18HR: 20/2200Z RMK: CLOUDS PRECLUDE VA DETECTION FROM STLT. LATEST METARS FROM SAN JUAN INDICATE VA OBSERVED. WEB CAM SHOWS WEAK EM BARELY RISING ABV THE SUMMIT. ...RUMINSKI NXT ADVISORY: WILL BE ISSUED BY 20160920/1015Z