FVXX20 KNES 251136 VA ADVISORY DTG: 20130825/1136Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 1402-03 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12375 FT (3772 M) ADVISORY NR: 2013/080 INFO SOURCE: GOES-13. GFS WINDS. INSIVUMEH. ERUPTION DETAILS: ROCKFALLS AND EMISSION OF GASES AND ASH OBS VA DTG: 25/1045Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL150 165/10-15KT FCST VA CLD +6HR: 25/1700Z FCST VA CLD +12HR: 25/2300Z FCST VA CLD +18HR: 26/0500Z RMK: NO VA SEEN DUE TO TSTORM CLDS. VO ISSUED SPECIAL RPRT ARND 0500Z TO WARN OF WEAK EXPLOSIONS AND ROCKFALLS THAT WOULD CREATE ASHCLOUDS TO PSBL FL150. SINCE INTO TSTORM CLDS HARD TO KNOW EXTENDT OR DIRECTION OF ANY ASH. NO VO UPDATE BUT VA CONDITIONS PSBL ...SWANSON NXT ADVISORY: WILL BE ISSUED BY 20130825/1730Z