FVXX20 KNES 141601 VA ADVISORY DTG: 20150914/1601Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2015/068 INFO SOURCE: GOES-EAST. BOGATA MWO. ASHTAM. GFS WINDS. SEISMIC DETECTION. ERUPTION DETAILS: DISCREET VA EM OBS VA DTG: 14/1540Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL250 090/15-20KT FCST VA CLD +6HR: 14/2130Z FCST VA CLD +12HR: 15/0330Z FCST VA CLD +18HR: 15/0930Z RMK: VA EM TO FL250 MOV W AS RPRTD BY MWO. SEISMOGRAM ALSO INDICATES A SPIKE IN ACT INDICATIVE OF AN EM. NOT SEEN IN STLT DUE TO WX CLD OVER SUMMIT. VA EM EXPECTED TO DISP WI 6HR BASED ON RECENT EM HISTORY. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20150914/2200Z