FVXX21 KNES 211431 VA ADVISORY DTG: 20151221/1431Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2015/101 INFO SOURCE: GOES-EAST. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA EM NOT DETECTED OBS VA DTG: 21/1345Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST VA CLD +6HR: 21/2000Z FCST VA CLD +12HR: 22/0200Z FCST VA CLD +18HR: 22/0800Z RMK: PREVIOUS VA EM NOT SEEN IN STLT AND EXPECTED TO HAVE DISP. SKY IS MOSTLY CLEAR OF WX CLDS. NO NEW VA EM SEEN IN STLT OR WEBCAM ...VELASCO NXT ADVISORY: NO FURTHER ADVISORIES