Alert archive / Colorado / 2021

Weather alerts in Colorado, September 2021

195 weather alerts in September 2021, 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 2021. Tap one for its archive.

Alerts
195
Warnings
40
Watches
14
Advisories
11
Busiest day
September 14, 202135 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
Sep 1, 5:25 PM MDTSpecial Weather StatementGJT35 min
Sep 1, 6:17 PM MDTSpecial Weather StatementGJT43 min
Sep 1, 6:25 PM MDTSpecial Weather StatementBOULogan50 min
Sep 1, 7:09 PM MDTSpecial Weather StatementGLDCheyenne36 min
Sep 1, 7:10 PM MDTSpecial Weather StatementGJT35 min
Sep 1, 7:19 PM MDTSpecial Weather StatementBOULogan41 min
Sep 1, 7:34 PM MDTSpecial Weather StatementGLDCheyenne26 min
Sep 1, 7:58 PM MDTSpecial Weather StatementBOULogan, Sedgwick47 min
Sep 1, 8:01 PM MDTSpecial Weather StatementGLDKit Carson29 min
Sep 1, 8:17 PM MDTSpecial Weather StatementGLDKit Carson28 min
Sep 1, 8:59 PM MDTSevere Thunderstorm WarningGLDKit Carson46 min
Sep 2, 5:04 PM MDTAreal Flood AdvisoryBOUGrand63 min
Sep 3, 12:14 PM MDTSpecial Weather StatementBOUJefferson46 min
Sep 3, 12:54 PM MDTSpecial Weather StatementBOUJefferson51 min
Sep 3, 1:20 PM MDTSevere Thunderstorm WarningBOUArapahoe, Douglas40 min
Sep 3, 1:20 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Elbert, Morgan, Washington, Weld55 min
Sep 3, 1:56 PM MDTSpecial Weather StatementBOUMorgan49 min
Sep 3, 1:59 PM MDTSpecial Weather StatementBOUArapahoe46 min
Sep 3, 2:51 PM MDTSpecial Weather StatementGJTMoffat24 min
Sep 3, 3:27 PM MDTSpecial Weather StatementBOUMorgan48 min
Sep 3, 3:27 PM MDTFlash Flood WatchGJTEagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt47 min
Sep 3, 4:14 PM MDTFlash Flood Warning Considerable damage threatGJTEagle, Garfield103 min
Sep 3, 4:14 PM MDTSpecial Weather StatementGJTGarfield31 min
Sep 3, 4:32 PM MDTSpecial Weather StatementPUBTeller28 min
Sep 3, 4:56 PM MDTSpecial Weather StatementGLDYuma34 min
Sep 3, 5:21 PM MDTSpecial Weather StatementGJTRio Blanco24 min
Sep 3, 5:49 PM MDTSpecial Weather StatementGJTRio Blanco41 min
Sep 3, 6:34 PM MDTSpecial Weather StatementGJTRio Blanco26 min
Sep 3, 6:54 PM MDTSpecial Weather StatementPUBFremont21 min
Sep 3, 6:59 PM MDTSpecial Weather StatementGJTRio Blanco31 min
Sep 3, 7:17 PM MDTSpecial Weather StatementGJTGarfield43 min
Sep 3, 7:58 PM MDTSpecial Weather StatementGLDCheyenne32 min
Sep 3, 8:26 PM MDTSevere Thunderstorm WarningGLDCheyenne49 min
Sep 3, 8:26 PM MDTSpecial Weather StatementPUBKiowa34 min
Sep 3, 8:39 PM MDTSevere Thunderstorm WarningPUBKiowa81 min
Sep 3, 8:44 PM MDTSpecial Weather StatementPUBPueblo46 min
Sep 3, 8:47 PM MDTSpecial Weather StatementPUBCrowley28 min
Sep 3, 9:15 PM MDTSpecial Weather StatementPUBBent60 min
Sep 3, 9:17 PM MDTSpecial Weather StatementPUBPueblo43 min
Sep 3, 9:50 PM MDTSevere Thunderstorm WarningPUBBent, Kiowa, Prowers50 min
Sep 3, 10:03 PM MDTSpecial Weather StatementPUBPueblo42 min
Sep 3, 10:41 PM MDTSpecial Weather StatementPUBProwers49 min
Sep 3, 10:44 PM MDTSpecial Weather StatementPUBOtero46 min
Sep 3, 10:53 PM MDTSpecial Weather StatementPUBProwers37 min
Sep 3, 11:32 PM MDTSpecial Weather StatementPUBBent, Otero43 min
Sep 4, 3:26 PM MDTSpecial Weather StatementPUBEl Paso34 min
Sep 4, 4:36 PM MDTSpecial Weather StatementPUBPueblo24 min
Sep 4, 4:43 PM MDTSpecial Weather StatementPUBEl Paso32 min
Sep 4, 6:12 PM MDTSpecial Weather StatementPUBHuerfano33 min
Sep 4, 6:32 PM MDTSevere Thunderstorm WarningPUBHuerfano, Pueblo28 min
Sep 4, 10:01 PM MDTSpecial Weather StatementBOUAdams29 min
Sep 5, 12:30 AM MDTSpecial Weather StatementGLDYuma30 min
Sep 5, 12:31 AM MDTSpecial Weather StatementBOUYuma14 min
Sep 10, 1:53 PM MDTFire Weather WatchGJTMoffat, Rio Blanco, Routt14 hr
Sep 11, 4:00 AM MDTRed Flag WarningGJTMoffat, Rio Blanco, Routt17 hr
Sep 11, 3:46 PM MDTSpecial Weather StatementGJTRoutt29 min
Sep 11, 4:23 PM MDTSpecial Weather StatementGJTMoffat37 min
Sep 11, 5:55 PM MDTSpecial Weather StatementGJTMesa35 min
Sep 11, 6:33 PM MDTSpecial Weather StatementGJTMesa27 min
Sep 11, 7:04 PM MDTSevere Thunderstorm Warning Considerable damage threatBOULogan26 min
Sep 11, 7:22 PM MDTSpecial Weather StatementPUBElbert23 min
Sep 11, 7:25 PM MDTSevere Thunderstorm WarningBOULogan50 min
Sep 11, 8:04 PM MDTSpecial Weather StatementBOUSedgwick26 min
Sep 11, 8:14 PM MDTSpecial Weather StatementBOUDenver16 min
Sep 11, 8:31 PM MDTSpecial Weather StatementBOUDenver29 min
Sep 11, 9:32 PM MDTSpecial Weather StatementGLDCheyenne, Kit Carson, Yuma28 min
Sep 11, 10:13 PM MDTSpecial Weather StatementGLDKit Carson32 min
Sep 12, 2:58 PM MDTSpecial Weather StatementPUBEl Paso32 min
Sep 12, 3:13 PM MDTSpecial Weather StatementPUBEl Paso32 min
Sep 12, 3:38 PM MDTSpecial Weather StatementBOUElbert52 min
Sep 12, 3:44 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Crowley, Kiowa, Kit Carson, Lincoln and 3 more91 min
Sep 12, 4:16 PM MDTSpecial Weather StatementBOULincoln29 min
Sep 12, 4:17 PM MDTSpecial Weather StatementPUBEl Paso28 min
Sep 12, 4:35 PM MDTSpecial Weather StatementGLDKit Carson25 min
Sep 12, 4:59 PM MDTSpecial Weather StatementGLDKit Carson31 min
Sep 12, 5:06 PM MDTSevere Thunderstorm WarningGLDKit Carson54 min
Sep 12, 5:27 PM MDTSevere Thunderstorm WarningBOULincoln33 min
Sep 12, 5:44 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson61 min
Sep 12, 5:54 PM MDTSpecial Weather StatementPUBOtero36 min
Sep 12, 5:58 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma47 min
Sep 12, 6:03 PM MDTSpecial Weather StatementPUBKiowa42 min
Sep 12, 6:03 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Kiowa, Kit Carson, Prowers87 min
Sep 12, 6:29 PM MDTSevere Thunderstorm WarningPUBKiowa, Prowers46 min
Sep 12, 6:33 PM MDTSpecial Weather StatementPUBBent42 min
Sep 12, 6:37 PM MDTSevere Thunderstorm WarningGLDCheyenne53 min
Sep 12, 7:07 PM MDTSpecial Weather StatementGLDKit Carson23 min
Sep 12, 7:09 PM MDTSpecial Weather StatementPUBKiowa66 min
Sep 12, 7:22 PM MDTSpecial Weather StatementPUBBent38 min
Sep 12, 7:27 PM MDTSevere Thunderstorm WarningPUBBent33 min
Sep 12, 7:55 PM MDTSevere Thunderstorm WarningPUBBent50 min
Sep 12, 8:27 PM MDTSpecial Weather StatementPUBProwers63 min
Sep 12, 8:34 PM MDTSpecial Weather StatementPUBKiowa56 min
Sep 12, 8:47 PM MDTSevere Thunderstorm WarningPUBProwers28 min
Sep 12, 9:16 PM MDTSpecial Weather StatementPUBKiowa59 min
Sep 13, 3:07 PM MDTSpecial Weather StatementGJTMoffat38 min
Sep 13, 7:08 PM MDTSpecial Weather StatementBOUElbert37 min
Sep 13, 7:33 PM MDTSpecial Weather StatementBOUWeld42 min
Sep 13, 7:36 PM MDTSpecial Weather StatementBOUDenver39 min
Sep 13, 7:40 PM MDTSpecial Weather StatementGLDKit Carson35 min
Sep 13, 7:49 PM MDTSpecial Weather StatementBOUElbert41 min
Sep 13, 9:31 PM MDTSpecial Weather StatementBOUWeld29 min
Sep 14, 12:23 PM MDTSpecial Weather StatementPUBFremont22 min
Sep 14, 1:08 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Crowley, Elbert, El Paso, Kiowa and 5 more2 hr
Sep 14, 1:52 PM MDTSpecial Weather StatementBOUDouglas38 min
Sep 14, 1:55 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Cheyenne, Crowley, Elbert, El Paso and 10 more7 hr
Sep 14, 1:56 PM MDTSpecial Weather StatementPUBEl Paso34 min
Sep 14, 2:05 PM MDTSpecial Weather StatementPUBTeller25 min
Sep 14, 2:08 PM MDTSevere Thunderstorm WarningBOUElbert52 min
Sep 14, 2:19 PM MDTSpecial Weather StatementPUBTeller26 min
Sep 14, 2:33 PM MDTSevere Thunderstorm WarningPUBEl Paso27 min
Sep 14, 2:59 PM MDTSevere Thunderstorm WarningPUBEl Paso46 min
Sep 14, 3:19 PM MDTSpecial Weather StatementPUBFremont26 min
Sep 14, 3:32 PM MDTSevere Thunderstorm WarningPUBEl Paso58 min
Sep 14, 4:15 PM MDTSpecial Weather StatementBOUDouglas45 min
Sep 14, 4:16 PM MDTSpecial Weather StatementPUBHuerfano44 min
Sep 14, 4:17 PM MDTSevere Thunderstorm WarningPUBCrowley, El Paso, Pueblo58 min
Sep 14, 4:20 PM MDTSpecial Weather StatementPUBPueblo25 min
Sep 14, 4:24 PM MDTSpecial Weather StatementBOULincoln66 min
Sep 14, 4:34 PM MDTSpecial Weather StatementPUBTeller26 min
Sep 14, 4:46 PM MDTSevere Thunderstorm WarningPUBLas Animas59 min
Sep 14, 4:49 PM MDTSpecial Weather StatementPUBCostilla41 min
Sep 14, 4:58 PM MDTSevere Thunderstorm Warning Considerable damage threatPUBCrowley77 min
Sep 14, 5:00 PM MDTSpecial Weather StatementBOUWashington45 min
Sep 14, 5:12 PM MDTSpecial Weather StatementPUBCuster33 min
Sep 14, 5:16 PM MDTSpecial Weather StatementPUB29 min
Sep 14, 5:30 PM MDTMesoscale DiscussionSPCBent90 min
Sep 14, 5:37 PM MDTSpecial Weather StatementPUBPueblo38 min
Sep 14, 5:41 PM MDTSpecial Weather StatementPUBLas Animas64 min
Sep 14, 5:45 PM MDTSevere Thunderstorm Warning Considerable damage threatPUBOtero75 min
Sep 14, 5:59 PM MDTSpecial Weather StatementPUBBent46 min
Sep 14, 6:09 PM MDTSevere Thunderstorm WarningPUBLas Animas23 min
Sep 14, 6:20 PM MDTSevere Thunderstorm Warning Considerable damage threatPUBBent, Otero57 min
Sep 14, 6:26 PM MDTSpecial Weather StatementPUBPueblo49 min
Sep 14, 6:59 PM MDTSpecial Weather StatementPUBPueblo46 min
Sep 14, 7:18 PM MDTSpecial Weather StatementPUBBent27 min
Sep 14, 7:38 PM MDTSpecial Weather StatementPUBBent37 min
Sep 14, 7:40 PM MDTSpecial Weather StatementPUBLas Animas35 min
Sep 14, 8:12 PM MDTSpecial Weather StatementPUBLas Animas48 min
Sep 14, 8:50 PM MDTSpecial Weather StatementPUBLas Animas25 min
Sep 14, 8:55 PM MDTSpecial Weather StatementPUBBaca35 min
Sep 15, 1:30 AM MDTFire Weather WatchGJTGarfield, Mesa, Moffat, Rio Blanco12 hr
Sep 15, 3:36 AM MDTDense Fog AdvisoryGLDCheyenne, Kit Carson, Yuma5 hr
Sep 15, 6:37 AM MDTDense Fog AdvisoryBOUElbert, Lincoln2 hr
Sep 15, 1:24 PM MDTFire Weather WatchGJTEagle, Garfield, Mesa, Moffat, Pitkin, Rio Blanco and 1 more37 hr
Sep 15, 1:24 PM MDTRed Flag WarningGJTEagle, Garfield, Mesa, Moffat, Pitkin, Rio Blanco and 1 more30 hr
Sep 15, 2:31 PM MDTFire Weather WatchBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Larimer and 2 more37 hr
Sep 15, 2:31 PM MDTRed Flag WarningBOUBoulder, Grand, Jackson, Larimer, Summit28 hr
Sep 16, 3:46 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick, Washington, Yuma119 min
Sep 16, 4:45 PM MDTSpecial Weather StatementBOUSedgwick45 min
Sep 16, 4:59 PM MDTSevere Thunderstorm WarningBOUSedgwick31 min
Sep 16, 9:02 PM MDTSpecial Weather StatementGLDPhillips28 min
Sep 18, 2:30 PM MDTFreeze WatchGJTRoutt12 hr
Sep 18, 4:35 PM MDTSpecial Weather StatementGJTMesa25 min
Sep 18, 4:50 PM MDTSpecial Weather StatementGJT40 min
Sep 18, 5:04 PM MDTSpecial Weather StatementGJTGarfield41 min
Sep 18, 5:29 PM MDTSpecial Weather StatementGJTGarfield46 min
Sep 18, 6:16 PM MDTSpecial Weather StatementGJTGarfield44 min
Sep 18, 6:21 PM MDTSpecial Weather StatementGJTMontrose39 min
Sep 18, 6:34 PM MDTSpecial Weather StatementGJTMesa26 min
Sep 19, 2:42 AM MDTFreeze WatchGJTEagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt12 hr
Sep 19, 4:21 AM MDTRed Flag WarningPUBCrowley, El Paso, Fremont, Huerfano, Las Animas, Otero and 1 more16 hr
Sep 19, 2:14 PM MDTFreeze WarningGJTEagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt43 hr
Sep 19, 2:45 PM MDTFreeze WatchPUBAlamosa, Conejos, Costilla, Rio Grande, Saguache24 hr
Sep 19, 8:35 PM MDTSpecial Weather StatementGJTRio Blanco40 min
Sep 20, 10:21 AM MDTBlowing Dust AdvisoryGLDCheyenne, Kit Carson99 min
Sep 20, 2:50 PM MDTFreeze WarningPUBAlamosa, Conejos, Costilla, Rio Grande, Saguache18 hr
Sep 21, 3:55 AM MDTFreeze WatchPUBAlamosa, Conejos, Costilla, Rio Grande, Saguache8 hr
Sep 21, 11:44 AM MDTFreeze WarningPUBAlamosa, Conejos, Costilla, Rio Grande, Saguache21 hr
Sep 21, 1:51 PM MDTFreeze WarningGJTEagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt19 hr
Sep 21, 2:07 PM MDTFrost AdvisoryBOUElbert, Larimer, Lincoln, Logan, Morgan, Weld18 hr
Sep 27, 3:39 AM MDTRed Flag WarningPUBCrowley, El Paso, Fremont, Pueblo14 hr
Sep 28, 4:26 AM MDTDense Fog AdvisoryGJTLa Plata3 hr
Sep 28, 12:06 PM MDTFlash Flood WatchGJTEagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt9 hr
Sep 28, 2:59 PM MDTAreal Flood AdvisoryGJTMesa89 min
Sep 28, 3:05 PM MDTAreal Flood AdvisoryGJTRio Blanco115 min
Sep 28, 4:03 PM MDTFlash Flood Warning Considerable damage threatGJTGarfield, Mesa97 min
Sep 28, 5:44 PM MDTSpecial Weather StatementGJTMesa31 min
Sep 29, 12:07 AM MDTSpecial Weather StatementGJT23 min
Sep 29, 12:32 AM MDTSpecial Weather StatementGJTMesa28 min
Sep 29, 1:03 AM MDTSpecial Weather StatementGJTGarfield27 min
Sep 29, 5:58 AM MDTSpecial Weather StatementGJT32 min
Sep 29, 8:10 AM MDTFlash Flood WatchGJTEagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt31 min
Sep 29, 8:41 AM MDTFlash Flood Warning Considerable damage threatGJTEagle, Garfield3 hr
Sep 29, 11:55 AM MDTFlash Flood WatchGJTEagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt11 hr
Sep 29, 12:24 PM MDTAreal Flood AdvisoryGJTMesa4 hr
Sep 29, 1:14 PM MDTSpecial Weather StatementGJT46 min
Sep 29, 1:48 PM MDTAreal Flood AdvisoryBOULarimer96 min
Sep 29, 1:59 PM MDTAreal Flood AdvisoryBOUBoulder114 min
Sep 29, 4:51 PM MDTSpecial Weather StatementPUBCuster24 min
Sep 29, 5:09 PM MDTSpecial Weather StatementPUBHuerfano36 min
Sep 29, 5:25 PM MDTSpecial Weather StatementPUBFremont35 min
Sep 29, 5:52 PM MDTSpecial Weather StatementPUBHuerfano23 min
Sep 29, 6:28 PM MDTSpecial Weather StatementPUBLas Animas32 min
Sep 29, 6:49 PM MDTSpecial Weather StatementPUBPueblo26 min
Sep 30, 2:42 PM MDTFlash Flood WatchGJTEagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt6 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.

11 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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.