FVXX20 KNES 201155 VA ADVISORY DTG: 20160920/1155Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2016/180 INFO SOURCE: GOES-EAST. GFS WINDS. NAM WINDS. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 20/1145Z OBS VA CLD: SFC/FL150 N1009 W08359 - N1002 W08347 - N0958 W08348 - N0959 W08405 - N1009 W08359 MOV W 5-10KT FCST VA CLD +6HR: 20/1800Z SFC/FL150 N1008 W08404 - N1003 W08347 - N0958 W08347 - N0956 W08405 - N1008 W08404 FCST VA CLD +12HR: 21/0000Z SFC/FL150 N1004 W08346 - N0958 W08346 - N0953 W08405 - N1003 W08406 - N1004 W08346 FCST VA CLD +18HR: 21/0600Z SFC/FL150 N1007 W08405 - N1005 W08347 - N0959 W08346 - N0955 W08405 - N1007 W08405 RMK: ONGOING VA EMS SEEN IN WEBCAM TO 1000 METERS ABOVE SUMMIT AT HIGHEST POINT. MODEL WINDS HAVE VA MOV TO THE W-LY AT 5-10 KTS OVER NEXT +18 HRS. ...WHISNANT NXT ADVISORY: WILL BE ISSUED BY 20160920/1800Z