FVXX20 KNES 201833 VA ADVISORY DTG: 20161020/1833Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2016/287 INFO SOURCE: GOES-EAST. GFS WINDS. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA EM CONT. OBS VA DTG: 20/1815Z OBS VA CLD: SFC/FL150 N1047 W08327 - N1041 W08314 - N1002 W08344 - N1003 W08346 - N1047 W08327 MOV NE 10-15KT FCST VA CLD +6HR: 21/0030Z SFC/FL150 N1038 W08323 - N1032 W08313 - N1003 W08344 - N1004 W08346 - N1038 W08323 FCST VA CLD +12HR: 21/0630Z SFC/FL150 N1028 W08338 - N1026 W08329 - N1004 W08344 - N1004 W08346 - N1028 W08338 FCST VA CLD +18HR: 21/1230Z SFC/FL150 N1018 W08346 - N1017 W08338 - N1004 W08345 - N1004 W08346 - N1018 W08346 RMK: T+0 CONFIDENCE HIGH. VA EM WITH GAS AND STEAM SEEN ON STLT AND WEB CAM IMAGERY. VA EXTDS NE TO APRX 40 NM NE OF SUMMIT. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20161021/0030Z