FVXX20 KNES 282159 VA ADVISORY DTG: 20120728/2159Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 1402-03 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12375 FT (3772 M) ADVISORY NR: 2012/055 INFO SOURCE: GOES-13. GFS WINDS. SEISMIC DETECTION. ERUPTION DETAILS: ONGOING OCNL SMALL BURSTS AND/OR ROCKFALLS OBS VA DTG: 28/2115Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS FL/FL170 SW-W/15KT FCST VA CLD +6HR: 29/0330Z FCST VA CLD +12HR: 29/0930Z FCST VA CLD +18HR: 29/1530Z RMK: NO VA DETECTED DUE TO STORM CLDS. SEISMIC SIGNALS INDICATED OCNL SMALL EMISSIONS OR ROCKFALLS HOWEVER DUE TO RAIN CLOUDS ANY VA MOST LIKELY NOT FAR DOWN WIND. ...SWANSON NXT ADVISORY: WILL BE ISSUED BY 20120729/0400Z NNNN