FVXX20 KNES 161656
VA ADVISORY
DTG: 20170416/1656Z

VAAC: WASHINGTON

VOLCANO: POAS 345040
PSN: N1011 W08413

AREA: COSTA.RICA

SUMMIT ELEV: 8884 FT (2708 M)

ADVISORY NR: 2017/009

INFO SOURCE: GOES-EAST. GFS WINDS. NAM WINDS.
OVSICORI-UNA. 

ERUPTION DETAILS: EM AT 16/1546Z

OBS VA DTG: 16/1630Z

OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE
DATA WINDS SFC/FL110 090/5-10KT

FCST VA CLD +6HR: 16/2230Z 

FCST VA CLD +12HR: 17/0430Z 

FCST VA CLD +18HR: 17/1030Z 

RMK: T+0 CONFIDENCE LOW. OVSICORI-UNA RPRTS EM AT
1546Z BUT CANNOT BE SEEN IN STLT IMAGERY DUE TO
CLD CVR. MODEL WINDS AT FL110 SUGGEST MAINLY A WESTERLY
MOV. ...WHISNANT

NXT ADVISORY: WILL BE ISSUED BY 20170416/2300Z