Alert archive / Colorado / 2009

Weather alerts in Colorado, November 2009

24 weather alerts in November 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

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

Alerts
24
Warnings
4
Watches
8
Advisories
11
Busiest day
November 12, 20098 alerts

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
Nov 11, 3:42 PM MSTWinter Storm WatchGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more13 hr
Nov 11, 8:25 PM MSTWinter Storm WatchPUBChaffee, Conejos, Lake, Mineral, Rio Grande, Saguache8 hr
Nov 12, 4:03 AM MSTWinter Storm WarningPUBAlamosa, Baca, Bent, Chaffee, Conejos, Costilla and 13 more3 days
Nov 12, 4:03 AM MSTWinter Weather AdvisoryPUBLake, Mineral, Rio Grande, Saguache49 hr
Nov 12, 4:48 AM MSTWinter Weather AdvisoryBOUBoulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more39 hr
Nov 12, 4:48 AM MSTWinter Storm WarningGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more3 days
Nov 12, 4:48 AM MSTWinter Weather AdvisoryGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more3 days
Nov 12, 12:52 PM MSTWinter Storm WatchGJTArchuleta, Dolores, La Plata, Montezuma, San Miguel27 hr
Nov 12, 3:37 PM MSTWinter Storm WatchPUBConejos, Mineral, Rio Grande, Saguache19 hr
Nov 13, 5:06 AM MSTWinter Storm WatchBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 14 more34 hr
Nov 13, 10:50 AM MSTWinter Storm WatchPUBAlamosa, Baca, Bent, Chaffee, Costilla, Crowley and 12 more35 hr
Nov 14, 3:15 AM MSTWinter Storm WatchGLDCheyenne, Kit Carson, Yuma36 hr
Nov 14, 10:57 AM MSTWinter Storm WarningBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 14 more26 hr
Nov 14, 3:23 PM MSTWinter Weather AdvisoryBOUGrand, Jackson, Park20 hr
Nov 14, 4:09 PM MSTWinter Weather AdvisoryPUBChaffee, El Paso, Fremont, Lake, Saguache, Teller23 hr
Nov 14, 4:16 PM MSTWinter Storm WarningGLDCheyenne, Kit Carson, Yuma31 hr
Nov 15, 1:58 AM MSTWinter Weather AdvisoryGLDYuma27 hr
Nov 15, 9:26 AM MSTMesoscale DiscussionSPCBent, Cheyenne, Kiowa, Otero, Prowers4 hr
Nov 22, 2:50 PM MSTWinter Weather AdvisoryGJTEagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt29 hr
Nov 23, 2:42 AM MSTWind AdvisoryGLDCheyenne, Kit Carson13 hr
Nov 27, 3:03 AM MSTWinter Storm WatchGJTArchuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more24 hr
Nov 28, 3:31 AM MSTWinter Weather AdvisoryGJTArchuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more28 hr
Nov 28, 4:14 AM MSTWinter Weather AdvisoryPUBConejos, Mineral, Rio Grande29 hr
Nov 29, 6:06 PM MSTDense Fog AdvisoryGJTArchuleta12 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

By county

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

22 more counties

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.