Alert archive / Colorado / Mesoscale Discussions in 2006

Mesoscale Discussion 2284

December 20, 200621 counties in Colorado; Cheyenne County, Rawlins County, Sherman County, Kansas; 8 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Dec 20, 2006, 5:09 AM MST for 21 counties in Colorado; Cheyenne County, Rawlins County, Sherman County, Kansas; 8 counties in Nebraska. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued: Dec 20, 2006, 5:09 AM MST (12:09 UTC)
Expired: Dec 20, 2006, 9:15 AM MST
In force: 4 hr
Issued by: the Storm Prediction Center

All 32 counties

Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Cheyenne County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Jefferson County, CO, Kit Carson County, CO, Larimer County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Cheyenne County, KS, Rawlins County, KS, Sherman County, KS, Chase County, NE, Cheyenne County, NE, Deuel County, NE, Dundy County, NE, Hayes County, NE, Hitchcock County, NE, Keith County, NE, Perkins County, NE

The radar

The Denver radar (KFTG), 121 km from the middle of the area, began a volume at 12:09 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 19, 5:38 PM MST	Mesoscale Discussion	SPC	Baca	4 hr
Dec 20, 10:44 AM MST	Mesoscale Discussion	SPC	Adams, Arapahoe, Bent, Cheyenne, Crowley, Custer and 12 more	6 hr
Dec 19, 11:01 PM MST	Mesoscale Discussion	SPC	Decatur, Finney, Gove, Graham, Gray, Haskell and 14 more	6 hr
Dec 20, 5:11 AM MST	Mesoscale Discussion	SPC	Decatur, Norton, Phillips	4 hr
Dec 19, 5:51 PM MST	Mesoscale Discussion	SPC	Arthur, Blaine, Brown, Chase, Custer, Dawson and 17 more	6 hr
Dec 20, 11:49 AM MST	Mesoscale Discussion	SPC	Arthur, Banner, Box Butte, Cherry, Cheyenne, Dawes and 12 more	6 hr

Nearby

Mesoscale Discussions in Colorado, 2006 Mesoscale Discussions in Nebraska, 2006 Mesoscale Discussions in Kansas, 2006 Every mesoscale discussion in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.