Alert archive / Colorado / 2012

Weather alerts in Colorado, September 2012

96 weather alerts in September 2012, 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 September 2012. Tap one for its archive.

Alerts
96
Warnings
41
Watches
8
Advisories
17
Busiest day
September 27, 201230 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
Aug 31, 8:12 PM MDTRed Flag WarningGLDCheyenne, Kit Carson, Yuma23 hr
Sep 1, 3:43 AM MDTRed Flag WarningBOUAdams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 4 more15 hr
Sep 1, 2:31 PM MDTMesoscale DiscussionSPCDolores, Montezuma, San Miguel89 min
Sep 1, 3:15 PM MDTSpecial Weather StatementGJTMontezuma45 min
Sep 1, 4:56 PM MDTSevere Thunderstorm WarningGJTMoffat, Rio Blanco49 min
Sep 1, 5:51 PM MDTSpecial Weather StatementGJTMoffat39 min
Sep 1, 6:10 PM MDTSpecial Weather StatementGJT50 min
Sep 1, 6:34 PM MDTSpecial Weather StatementGJTMoffat41 min
Sep 1, 7:04 PM MDTSevere Thunderstorm WarningGJTMoffat, Rio Blanco, Routt41 min
Sep 1, 7:16 PM MDTSpecial Weather StatementGJT44 min
Sep 3, 10:46 AM MDTSpecial Weather StatementBOUGrand59 min
Sep 3, 12:48 PM MDTSpecial Weather StatementBOUBoulder42 min
Sep 3, 1:45 PM MDTSpecial Weather StatementBOUWeld45 min
Sep 3, 3:28 PM MDTSpecial Weather StatementBOUGrand47 min
Sep 3, 4:58 PM MDTSpecial Weather StatementBOUBoulder32 min
Sep 3, 5:42 PM MDTSpecial Weather StatementBOUBroomfield, Denver, Weld63 min
Sep 5, 2:48 PM MDTRed Flag WarningGJTMoffat, Rio Blanco27 hr
Sep 6, 6:29 PM MDTRed Flag WarningGJTMoffat, Rio Blanco91 min
Sep 7, 2:36 AM MDTWind AdvisoryGLDCheyenne8 hr
Sep 8, 1:58 PM MDTFire Weather WatchGLDCheyenne, Kit Carson, Yuma11 hr
Sep 8, 2:44 PM MDTFire Weather WatchBOUAdams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 7 more13 hr
Sep 9, 1:13 AM MDTRed Flag WarningGLDKit Carson, Yuma19 hr
Sep 9, 3:43 AM MDTRed Flag WarningBOUAdams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 4 more15 hr
Sep 11, 10:30 AM MDTFlash Flood WatchPUBEl Paso, Fremont, Teller31 hr
Sep 11, 2:47 PM MDTWinter Storm WatchPUBAlamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more12 hr
Sep 11, 7:57 PM MDTFlash Flood WatchGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more23 hr
Sep 12, 2:17 AM MDTWinter Weather AdvisoryPUBAlamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more15 hr
Sep 12, 7:22 AM MDTAreal Flood AdvisoryPUBEl Paso3 hr
Sep 12, 7:31 AM MDTAreal Flood AdvisoryPUBEl Paso3 hr
Sep 12, 8:47 AM MDTFlash Flood WarningPUBEl Paso6 hr
Sep 12, 10:59 AM MDTAreal Flood AdvisoryPUBFremont6 hr
Sep 12, 2:25 PM MDTAreal Flood AdvisoryPUBEl Paso3 hr
Sep 13, 4:17 AM MDTFrost AdvisoryPUBAlamosa, Conejos, Costilla, Rio Grande, Saguache28 hr
Sep 14, 12:25 PM MDTFrost AdvisoryPUBAlamosa, Conejos, Costilla, Rio Grande, Saguache20 hr
Sep 15, 2:47 PM MDTFrost AdvisoryPUBAlamosa, Conejos, Costilla, Rio Grande, Saguache17 hr
Sep 16, 11:33 AM MDTRed Flag WarningGLDKit Carson, Yuma8 hr
Sep 18, 2:16 PM MDTFire Weather WatchGLDCheyenne, Kit Carson, Yuma13 hr
Sep 19, 3:05 AM MDTRed Flag WarningGLDCheyenne, Kit Carson, Yuma16 hr
Sep 25, 1:37 PM MDTAreal Flood AdvisoryPUBEl Paso76 min
Sep 26, 12:50 PM MDTMesoscale DiscussionSPCBaca, Bent, Prowers55 min
Sep 26, 2:23 PM MDTSevere Thunderstorm WarningPUBLas Animas, Otero56 min
Sep 26, 2:36 PM MDTSevere Thunderstorm WarningPUBBaca, Las Animas54 min
Sep 26, 2:59 PM MDTSevere Thunderstorm WatchSPCBaca7 hr
Sep 26, 3:30 PM MDTSevere Thunderstorm WarningPUBBaca, Las Animas60 min
Sep 26, 3:31 PM MDTSevere Thunderstorm WarningPUBLas Animas44 min
Sep 26, 3:56 PM MDTSevere Thunderstorm WarningPUBLas Animas31 min
Sep 26, 4:26 PM MDTSevere Thunderstorm WarningPUBBaca48 min
Sep 26, 4:33 PM MDTSevere Thunderstorm WarningBOULarimer, Weld33 min
Sep 26, 5:37 PM MDTSpecial Weather StatementGLDKit Carson23 min
Sep 26, 5:46 PM MDTFlash Flood WarningBOUWeld2 hr
Sep 26, 5:57 PM MDTAreal Flood AdvisoryBOUWeld93 min
Sep 26, 6:15 PM MDTSevere Thunderstorm WarningGLDKit Carson60 min
Sep 26, 6:20 PM MDTAreal Flood AdvisoryBOUWeld85 min
Sep 26, 6:45 PM MDTSevere Thunderstorm WarningGLDKit Carson30 min
Sep 26, 6:48 PM MDTFlash Flood WarningBOUWeld2 hr
Sep 26, 6:54 PM MDTSpecial Weather StatementGLDCheyenne36 min
Sep 26, 6:56 PM MDTSpecial Weather StatementGLDKit Carson34 min
Sep 26, 7:05 PM MDTSevere Thunderstorm WarningGLDKit Carson55 min
Sep 26, 7:23 PM MDTSpecial Weather StatementGLDKit Carson37 min
Sep 26, 7:32 PM MDTSpecial Weather StatementGLDCheyenne28 min
Sep 26, 7:59 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson61 min
Sep 26, 8:09 PM MDTSevere Thunderstorm WarningGLDCheyenne66 min
Sep 26, 9:00 PM MDTSpecial Weather StatementGLDCheyenne30 min
Sep 26, 9:14 PM MDTSevere Thunderstorm WarningGLDCheyenne47 min
Sep 26, 9:22 PM MDTSevere Thunderstorm WarningPUBKiowa53 min
Sep 26, 10:44 PM MDTSpecial Weather StatementGLDCheyenne31 min
Sep 26, 11:00 PM MDTSpecial Weather StatementGLDKit Carson60 min
Sep 27, 1:15 PM MDTTornado WarningBOUDouglas29 min
Sep 27, 1:29 PM MDTTornado WarningBOUElbert31 min
Sep 27, 2:09 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 17 more66 min
Sep 27, 2:18 PM MDTTornado WarningPUBEl Paso, Teller27 min
Sep 27, 2:32 PM MDTAreal Flood AdvisoryPUBEl Paso56 min
Sep 27, 3:50 PM MDTSevere Thunderstorm WarningPUBEl Paso40 min
Sep 27, 4:10 PM MDTSevere Thunderstorm WarningPUBCrowley, El Paso, Pueblo65 min
Sep 27, 4:34 PM MDTSevere Thunderstorm WarningPUBLas Animas56 min
Sep 27, 4:40 PM MDTAreal Flood AdvisoryBOUWashington80 min
Sep 27, 4:43 PM MDTSevere Thunderstorm WarningPUBPueblo52 min
Sep 27, 4:59 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Crowley, Kiowa, Las Animas, Otero and 1 more7 hr
Sep 27, 5:00 PM MDTSpecial Weather StatementBOUWeld30 min
Sep 27, 5:09 PM MDTSevere Thunderstorm WarningPUBCrowley, Kiowa, Otero66 min
Sep 27, 5:13 PM MDTSevere Thunderstorm WarningPUBCrowley, Otero, Pueblo62 min
Sep 27, 6:03 PM MDTSpecial Weather StatementGLDCheyenne, Kit Carson42 min
Sep 27, 6:06 PM MDTSevere Thunderstorm WarningPUBBent, Crowley, Kiowa, Otero54 min
Sep 27, 6:29 PM MDTTornado WarningPUBBent, Otero46 min
Sep 27, 6:44 PM MDTSpecial Weather StatementGLDCheyenne, Kit Carson61 min
Sep 27, 6:59 PM MDTSevere Thunderstorm WarningPUBKiowa, Prowers44 min
Sep 27, 7:10 PM MDTSevere Thunderstorm WarningPUBBent, Kiowa, Las Animas, Otero, Prowers33 min
Sep 27, 8:18 PM MDTMesoscale DiscussionSPCBaca, Prowers57 min
Sep 27, 8:19 PM MDTSevere Thunderstorm WarningPUBBaca, Bent, Prowers24 min
Sep 27, 8:34 PM MDTAreal Flood AdvisoryPUBBent, Prowers85 min
Sep 27, 8:42 PM MDTAreal Flood AdvisoryPUBBent, Otero77 min
Sep 28, 8:50 AM MDTDense Fog AdvisoryBOULogan, Morgan, Weld2 hr
Sep 29, 3:36 PM MDTSpecial Weather StatementBOUElbert24 min
Sep 30, 2:33 PM MDTSpecial Weather StatementGLDYuma27 min
Sep 30, 2:53 PM MDTSpecial Weather StatementGLDKit Carson37 min
Sep 30, 3:38 PM MDTSpecial Weather StatementGLDCheyenne37 min

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.

17 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20112013

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. Rebuilt daily.