FVXX21 KNES 192121 VA ADVISORY DTG: 20170719/2121Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2017/199 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA EMS OBS IN VO WEBCAMERA OBS VA DTG: 19/2045Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL115 090/20KT FCST VA CLD +6HR: 20/0300Z FCST VA CLD +12HR: 20/0900Z FCST VA CLD +18HR: 20/1500Z RMK: VA EMS OBS IN VO WEBCAMERA. VA NOT OBS IN STLT IMAGERY DUE TO WX CLDS. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20170720/0315Z