FVXX20 KNES 120833 VA ADVISORY DTG: 20170112/0833Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1002 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2017/042 INFO SOURCE: GOES-EAST. GFS WINDS. VOLCANO WEB CAMERA. ERUPTION DETAILS: EMS OF VA AND GASSEOUS MATERIAL OBS VA DTG: 12/0815Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL125 090/20-25KT FCST VA CLD +6HR: 12/1430Z FCST VA CLD +12HR: 12/2030Z FCST VA CLD +18HR: 13/0230Z RMK: T+0 CONFIDENCE LOW. EMS OF VA GASSEOUS MATERIAL OBS IS VO WEB CAMERA. VA NOT OBS IN STLT IMAGERY DUE TO WX CLDS. GFS WINDS STEADY OUT OF E. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20170112/1430Z