FVXX21 KNES 210841 VA ADVISORY DTG: 20151221/0841Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2015/100 INFO SOURCE: GOES-EAST. GFS WINDS. ERUPTION DETAILS: LGT VA EMS PSBL OBS VA DTG: 21/0815Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL200 VAR/5KT FCST VA CLD +6HR: 21/1430Z FCST VA CLD +12HR: 21/2030Z FCST VA CLD +18HR: 22/0230Z RMK: VA EMS NOT OBS IN STLT IMAGERY, BUT IT IS PSBL THERE ARE LGT VA EMS THAT ARE UNDETECTABLE IN IMAGERY. THERE IS A HOTSPOT IN THE IR CHANNEL. VA WOULD LKLY BE BELOW FL200. ...RAMIREZ NXT ADVISORY: WILL BE ISSUED BY 20151221/1445Z