FVXX23 KNES 201829
VA ADVISORY
DTG: 20170620/1829Z

VAAC: WASHINGTON

VOLCANO: POAS 345040
PSN: N1012 W08414

AREA: COSTA RICA

SUMMIT ELEV: 8884 FT (2708 M)

ADVISORY NR: 2017/041

INFO SOURCE: GOES-EAST. GFS WINDS. VOLCANO WEB
CAMERA. OVSICORI-UNA. 

ERUPTION DETAILS: EMS AT 20/1800Z

OBS VA DTG: 20/1845Z

OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE
DATA WINDS SFC/FL105 045/5-10KT

FCST VA CLD +6HR: 21/0100Z 

FCST VA CLD +12HR: 21/0700Z 

FCST VA CLD +18HR: 21/1300Z 

RMK: T+0 CONFIDENCE IS LOW. NO VA IS OBSERVED IN
IMAGERY ALTHOUGH THERE ARE EXTENSIVE WX CLOUDS
PRESENT. OVSICORI-UNA REPORTED VA TO 500M ABOVE
CRATER. WEBCAMERA SHOWS CONTINUOUS EMS OF GASES
WITH PSBL VA. ...SCHWARTZ

NXT ADVISORY: WILL BE ISSUED BY 20170621/0030Z