Information on the Blizzard of December 20th-21st, 2006Surface weather chart for the Front Range area from 7:00PM MST on December 20th Here Surface weather chart from the NWS at 5:00PM MST (00z) on December 20th (21st) Here National Radar at 7:08PM MST (0208z) on December 20th Here 500mb chart 5:00PM MST (00z) on December 20th (21st) Here Radar 35-frame loop of radar from Cheyenne (CYS) that goes from 4:00AM December 20 to 2:00PM December 21, on the hour 37-frame loop of radar from Denver (FTG) that goes from 3:00AM December 20 to 3:00PM December 21, on the hour Fort Collins Coloradoan December 21 front page (580KB) CSU Wind graph from December 20 CSU Wind graph from December 21 Christman Field Wind graph from December 20 Christman Field Wind graph from December 21 Fort Collins-Loveland Airport METARs Greeley-Weld County Airport METARs Blizzard conditions: the wind gusts must be over 35 mph (or 31 knots) and the visibility (due to snow) must be really low string of Fort Collins-Loveland Airport METARs with wind gusts over 30 knots string of Greeley-Weld County Airport METARs with wind gusts over 30 knots note: some of these observations have visibility measurements (many 1/4 mile visibility), some don't have anything for visibility. Possibly the visibility instrument broke or got clogged with snow. Pictures from December 21st:  measurement of a 29" snow drift where the snow was relatively flat.  |
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