FVXX24 KNES 281704 VA ADVISORY DTG: 20170828/1704Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2017/233 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. NWP MODELS. OVSICORI-UNA. ERUPTION DETAILS: VA EM RPTD OBS VA DTG: 28/1615Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL120 135/10KT FCST VA CLD +6HR: 28/2230Z FCST VA CLD +12HR: 29/0430Z FCST VA CLD +18HR: 29/1030Z RMK: RPT FROM OVSICORI-UNA OF EM AROUND 28/1525Z. VA NOT SEEN ON STLT DUE TO WX CLDS BUT EM OBS ON WEBCAM. ...GAETANO NXT ADVISORY: WILL BE ISSUED BY 20170828/2300Z