FVXX20 KNES 241521 VA ADVISORY DTG: 20130824/1521Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 1402-03 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12375 FT (3772 M) ADVISORY NR: 2013/077 INFO SOURCE: GOES-13. NAM WINDS. INSIVUMEH. ERUPTION DETAILS: VA EMISSION AT 1415Z OBS VA DTG: 24/1445Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL200 090/5-10KT FCST VA CLD +6HR: 24/2100Z FCST VA CLD +12HR: 25/0300Z FCST VA CLD +18HR: 25/0900Z RMK: INSIVUMEH REPORTS A LIKELY EMISSION DUE TO COLLAPSING WALL OF THE CRATER. SURFACE REPORTS INDICATE VA COLUMN OF 4000M. WEATHER CLOUDS PRECLUDE DETECTION FROM STLT. ...RUMINSKI NXT ADVISORY: WILL BE ISSUED BY 20130824/2115Z