FVXX20 KNES 251726 VA ADVISORY DTG: 20130825/1726Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 1402-03 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12375 FT (3772 M) ADVISORY NR: 2013/081 INFO SOURCE: GOES-13. GFS WINDS. INSIVUMEH. ERUPTION DETAILS: ONGOING EMISSIONS OBS VA DTG: 25/1645Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL150 140/10-15KT FCST VA CLD +6HR: 25/2300Z FCST VA CLD +12HR: 26/0500Z FCST VA CLD +18HR: 26/1100Z RMK: NO VA IS SEEN IN IMAGERY ALTHOUGH THERE ARE DENSE WX CLOUDS IN THE AREA. INSIVIMEH REPORTS CONTINUING NEAR SUMMIT EMISSIONS. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20130825/2330Z