Alert archive / Colorado / Winter Storm Warnings / 2009

Winter Storm Warnings in Colorado, December 2009

11 winter storm warnings in December 2009. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of winter storm warnings reaches back to 2005.

Winter Storm Warnings by county

Each county as a circle sized by its count in December 2009. Tap one for its archive.

Winter Storm Warnings
11
Busiest day
December 22, 20093 winter storm warnings

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Dec 6, 5:13 AM MSTWinter Storm WarningPUBAlamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 6 more60 hr
Dec 6, 2:20 PM MSTWinter Storm WarningGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more49 hr
Dec 7, 3:30 AM MSTWinter Storm WarningGLDCheyenne, Kit Carson41 hr
Dec 12, 4:05 AM MSTWinter Storm WarningGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more53 hr
Dec 12, 2:43 PM MSTWinter Storm WarningPUBChaffee, Conejos, Lake, Mineral, Rio Grande, Saguache39 hr
Dec 21, 1:54 PM MSTWinter Storm WarningGLDCheyenne, Kit Carson, Yuma63 hr
Dec 21, 7:53 PM MSTWinter Storm WarningBOUElbert, Lincoln, Logan, Phillips, Sedgwick, Washington43 hr
Dec 21, 8:45 PM MSTWinter Storm WarningPUBConejos, Kiowa, Mineral, Rio Grande38 hr
Dec 21, 10:39 PM MSTWinter Storm WarningGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more37 hr
Dec 23, 11:34 AM MSTWinter Storm WarningGJTDelta, Garfield, Mesa18 hr
Dec 30, 4:16 AM MSTWinter Storm WarningGJTDolores, Montezuma, San Miguel24 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20082010

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.