FVXX21 KNES 210249 VA ADVISORY DTG: 20151221/0249Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2015/099 INFO SOURCE: GOES-EAST. GFS WINDS. ERUPTION DETAILS: ONGOING VA EMS PSBL OBS VA DTG: 21/0215Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL200 VAR/5KT FCST VA CLD +6HR: 21/0830Z FCST VA CLD +12HR: 21/1430Z FCST VA CLD +18HR: 21/2030Z RMK: UNABLE TO DETERMINE IF VA PERSISTS DUE TO WX CLD CVR ARND SUMMIT. IT IS PSBL THAT ONGOING LGT VA EMS CONT BELOW FL200 MOVG NW ...RAMIREZ NXT ADVISORY: WILL BE ISSUED BY 20151221/0845Z