FVXX21 KNES 171621 VA ADVISORY DTG: 20100717/1620Z VAAC: WASHINGTON VOLCANO: RUIZ 1501-02 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2010/002 INFO SOURCE: GOES-13. GFS WINDS. SEISMIC DETECTION. RADIOSONDE. BOGOTA MWO ERUPTION DETAILS: SHARP BRIEF SEISMIC SIGNAL BUT DUE TO CLOUDS NO VA SEEN OBS VA DTG: 17/1545Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL130 VAR/02-05KT FL140/FL170 270/05KT FL180/FL240 110/10KT FCST VA CLD +6HR: 17/2200Z FCST VA CLD +12HR: 18/0400Z FCST VA CLD +18HR: 18/1000Z RMK: NO VA SEEN DUE TO THICK WEATHER CLOUDS. DUE TO SHARP SEISMIC SIGNAL ALERT ISSUED BUT NO ERUPTION CONFIRMED DUE TO CLOUDS. WILL CONTINUE TO MONITOR AND UPDATE IF MORE INFO. ...SWANSON NXT ADVISORY: WILL BE ISSUED BY 20100717/2215Z NNNN