FVXX23 KNES 281607 VA ADVISORY DTG: 20160828/1607Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12375 FT (3772 M) ADVISORY NR: 2016/231 INFO SOURCE: GOES-EAST. GFS WINDS. INSIVUMEH. ERUPTION DETAILS: ONGOING EMISSIONS OBS VA DTG: 28/1545Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL170 090/5-10KT FCST VA CLD +6HR: 28/2200Z FCST VA CLD +12HR: 29/0400Z FCST VA CLD +18HR: 29/1000Z RMK: INSIVUMEH REPORTS VA TO FL 170 MOV W OF SUMMIT. WX CLOUDS PROHIBIT STLT DETECTION OF VA. ...SALEMI NXT ADVISORY: WILL BE ISSUED BY 20160828/2200Z