FVXX22 KNES 221339
VA ADVISORY
DTG: 20170422/1339Z

VAAC: WASHINGTON

VOLCANO: POAS 345040
PSN: N1011 W08413

AREA: COSTA.RICA

SUMMIT ELEV: 8884 FT (2708 M)

ADVISORY NR: 2017/019

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

ERUPTION DETAILS: EMS OF GASES AND VA

OBS VA DTG: 22/1315Z

OBS VA CLD: SFC/FL100 N1016 W08405 - N1014 W08404
- N1010 W08413 - N1013 W08414 - N1016 W08405 MOV
E 5-10KT 

FCST VA CLD +6HR: 22/1930Z SFC/FL100 N1017 W08401
- N1011 W08359 - N1011 W08414 - N1013 W08414 -
N1017 W08401 

FCST VA CLD +12HR: 23/0130Z SFC/FL100 N1013
W08414 - N1012 W08401 - N1007 W08401 - N1011
W08414 - N1013 W08414 

FCST VA CLD +18HR: 23/0730Z SFC/FL180 N1014
W08414 - N1010 W08402 - N1005 W08403 - N1011
W08415 - N1014 W08414 

RMK: T=0 CONFIDENCE IS HIGH. MORNING VISIBLE
IMAGERY SHOWS PLUME EXTENDING 10 NMI ENE FROM THE
VOLCANO. WEBCAMERA SHOWS EMS OF GASES AND VA.
OVSICORI-UNA REPORTED EMS TO FL100. ...SCHWARTZ

NXT ADVISORY: WILL BE ISSUED BY 20170422/1945Z