Alert archive / Colorado / 2023

Weather alerts in Colorado, September 2023

153 weather alerts in September 2023, 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 2023. Tap one for its archive.

Alerts
153
Warnings
23
Watches
8
Advisories
21
Busiest day
September 30, 202326 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, 6:35 PM MDTSpecial Weather StatementGJT25 min
Sep 3, 3:39 AM MDTFire Weather WatchPUBHuerfano, Las Animas, Pueblo11 hr
Sep 3, 11:47 AM MDTSpecial Weather StatementGJTRio Blanco43 min
Sep 3, 12:24 PM MDTSpecial Weather StatementGJTRoutt51 min
Sep 3, 1:04 PM MDTSpecial Weather StatementPUBHuerfano26 min
Sep 3, 1:11 PM MDTSpecial Weather StatementGJTRoutt49 min
Sep 3, 1:43 PM MDTAreal Flood AdvisoryBOULarimer2 hr
Sep 3, 1:56 PM MDTFlash Flood WarningBOULarimer2 hr
Sep 3, 2:03 PM MDTSpecial Weather StatementBOUDouglas27 min
Sep 3, 2:23 PM MDTAreal Flood AdvisoryBOUJefferson82 min
Sep 3, 2:27 PM MDTSpecial Weather StatementGJTRoutt33 min
Sep 3, 2:37 PM MDTSpecial Weather StatementBOUDenver38 min
Sep 3, 2:38 PM MDTRed Flag WarningPUBBaca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more29 hr
Sep 3, 3:03 PM MDTSpecial Weather StatementBOUBoulder27 min
Sep 3, 3:14 PM MDTSpecial Weather StatementBOUAdams31 min
Sep 3, 3:53 PM MDTSpecial Weather StatementBOUAdams37 min
Sep 3, 4:30 PM MDTSpecial Weather StatementBOUDouglas45 min
Sep 3, 4:55 PM MDTSpecial Weather StatementPUBPueblo35 min
Sep 3, 4:57 PM MDTSpecial Weather StatementBOUDenver33 min
Sep 3, 5:38 PM MDTAreal Flood AdvisoryBOUGrand112 min
Sep 3, 7:21 PM MDTSpecial Weather StatementBOUDouglas24 min
Sep 4, 10:25 AM MDTRed Flag WarningGLDCheyenne, Kit Carson10 hr
Sep 4, 1:09 PM MDTSpecial Weather StatementGJTRio Blanco36 min
Sep 4, 1:25 PM MDTSevere Thunderstorm WarningGJTRio Blanco35 min
Sep 4, 1:53 PM MDTSevere Thunderstorm WarningGJTMoffat, Rio Blanco, Routt17 min
Sep 4, 2:04 PM MDTAreal Flood AdvisoryGJTRio Blanco116 min
Sep 4, 2:07 PM MDTSevere Thunderstorm WarningGJTGarfield, Rio Blanco23 min
Sep 4, 2:45 PM MDTSpecial Weather StatementBOUJackson30 min
Sep 4, 3:21 PM MDTSpecial Weather StatementBOULarimer39 min
Sep 4, 6:01 PM MDTSpecial Weather StatementBOUWeld29 min
Sep 4, 6:04 PM MDTSpecial Weather StatementBOUPhillips, Sedgwick26 min
Sep 4, 6:36 PM MDTSpecial Weather StatementBOUPhillips, Sedgwick24 min
Sep 9, 3:47 PM MDTMesoscale DiscussionSPCBaca, Prowers88 min
Sep 9, 4:46 PM MDTSevere Thunderstorm WatchSPCCheyenne6 hr
Sep 9, 4:58 PM MDTSpecial Weather StatementGLDCheyenne32 min
Sep 9, 5:08 PM MDTSevere Thunderstorm WarningGLDCheyenne52 min
Sep 9, 5:55 PM MDTSevere Thunderstorm WarningGLDCheyenne35 min
Sep 9, 6:26 PM MDTSevere Thunderstorm WarningGLDCheyenne31 min
Sep 10, 8:00 AM MDTSpecial Weather StatementGLDCheyenne30 min
Sep 10, 2:06 PM MDTMesoscale DiscussionSPCBoulder, Broomfield, Clear Creek, Denver, Douglas, Gilpin and 3 more114 min
Sep 10, 2:13 PM MDTMesoscale DiscussionSPCBaca, Prowers3 hr
Sep 10, 2:55 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Cheyenne, Kiowa, Las Animas, Otero and 1 more7 hr
Sep 10, 3:17 PM MDTSpecial Weather StatementGLDCheyenne28 min
Sep 10, 3:26 PM MDTSpecial Weather StatementPUBFremont34 min
Sep 10, 3:34 PM MDTSpecial Weather StatementPUBHuerfano26 min
Sep 10, 5:38 PM MDTSpecial Weather StatementPUBProwers37 min
Sep 10, 6:08 PM MDTSpecial Weather StatementPUBBaca37 min
Sep 10, 6:12 PM MDTSpecial Weather StatementGJTRio Blanco33 min
Sep 12, 1:06 AM MDTDense Fog AdvisoryGLDCheyenne, Kit Carson, Yuma8 hr
Sep 12, 2:19 AM MDTDense Fog AdvisoryPUBBent, Crowley, El Paso, Kiowa, Otero, Prowers and 1 more8 hr
Sep 12, 1:01 PM MDTAreal Flood AdvisoryGJTMontezuma119 min
Sep 12, 1:30 PM MDTSpecial Weather StatementGJTDolores30 min
Sep 12, 2:41 PM MDTSpecial Weather StatementGJTMontezuma34 min
Sep 13, 3:36 PM MDTSpecial Weather StatementPUBHuerfano24 min
Sep 13, 5:07 PM MDTSpecial Weather StatementGJTMoffat23 min
Sep 13, 5:26 PM MDTAreal Flood AdvisoryGJTGarfield, Rio Blanco2 hr
Sep 13, 6:26 PM MDTAreal Flood AdvisoryGJTMontrose2 hr
Sep 14, 2:03 PM MDTSpecial Weather StatementGJTMesa27 min
Sep 14, 2:37 PM MDTSpecial Weather StatementBOUPhillips, Sedgwick38 min
Sep 14, 2:45 PM MDTFlash Flood WarningBOULarimer3 hr
Sep 14, 3:09 PM MDTAreal Flood AdvisoryBOUBoulder, Jefferson59 min
Sep 14, 3:11 PM MDTFlash Flood WarningBOULarimer3 hr
Sep 14, 3:20 PM MDTSpecial Weather StatementBOUPhillips40 min
Sep 14, 3:45 PM MDTAreal Flood AdvisoryBOUAdams, Broomfield, Jefferson70 min
Sep 14, 3:45 PM MDTSpecial Weather StatementGLDKit Carson30 min
Sep 14, 4:00 PM MDTSevere Thunderstorm WarningBOUSedgwick22 min
Sep 14, 4:15 PM MDTSpecial Weather StatementGLDYuma30 min
Sep 14, 4:24 PM MDTSpecial Weather StatementBOUDenver51 min
Sep 14, 4:30 PM MDTAreal Flood AdvisoryBOUAdams98 min
Sep 14, 4:48 PM MDTSpecial Weather StatementGLDYuma27 min
Sep 14, 4:54 PM MDTAreal Flood AdvisoryBOUArapahoe96 min
Sep 14, 5:09 PM MDTAreal Flood AdvisoryBOUAdams, Denver111 min
Sep 14, 5:34 PM MDTFlash Flood WarningGLDYuma86 min
Sep 14, 6:00 PM MDTSevere Thunderstorm WarningBOUArapahoe26 min
Sep 14, 6:15 PM MDTAreal Flood AdvisoryBOUDouglas, Elbert2 hr
Sep 14, 7:04 PM MDTSpecial Weather StatementPUBEl Paso41 min
Sep 14, 7:50 PM MDTSpecial Weather StatementPUBCrowley25 min
Sep 15, 2:25 PM MDTSpecial Weather StatementGJTSan Miguel35 min
Sep 15, 4:28 PM MDTSpecial Weather StatementGJTMesa32 min
Sep 15, 4:59 PM MDTSpecial Weather StatementGJTMesa31 min
Sep 15, 5:29 PM MDTSpecial Weather StatementGJTMesa31 min
Sep 15, 5:39 PM MDTAreal Flood AdvisoryBOUGrand111 min
Sep 18, 2:33 PM MDTSpecial Weather StatementGJT27 min
Sep 18, 2:59 PM MDTSpecial Weather StatementABQMontezuma31 min
Sep 18, 3:05 PM MDTSevere Thunderstorm WarningGJTMontrose, San Miguel25 min
Sep 18, 3:29 PM MDTSevere Thunderstorm WarningGJTMontrose, San Miguel31 min
Sep 18, 3:45 PM MDTSpecial Weather StatementGJTMontezuma30 min
Sep 18, 3:47 PM MDTSpecial Weather StatementGJTSan Miguel28 min
Sep 18, 4:12 PM MDTSpecial Weather StatementGJTMontezuma33 min
Sep 18, 4:15 PM MDTSpecial Weather StatementGJTMontrose30 min
Sep 18, 4:47 PM MDTSpecial Weather StatementGJTLa Plata28 min
Sep 18, 6:11 PM MDTSpecial Weather StatementBOUDouglas49 min
Sep 18, 7:39 PM MDTSpecial Weather StatementGJTDolores36 min
Sep 19, 12:58 PM MDTSpecial Weather StatementGJT32 min
Sep 19, 1:17 PM MDTSpecial Weather StatementGJTEagle28 min
Sep 19, 1:21 PM MDTSpecial Weather StatementGJT24 min
Sep 19, 1:33 PM MDTSpecial Weather StatementGJT27 min
Sep 19, 1:45 PM MDTSpecial Weather StatementGJTGarfield30 min
Sep 19, 1:48 PM MDTSpecial Weather StatementGJTGarfield27 min
Sep 19, 1:57 PM MDTSpecial Weather StatementGJT33 min
Sep 19, 2:18 PM MDTAreal Flood AdvisoryGJTGarfield, Rio Blanco57 min
Sep 19, 2:24 PM MDTSpecial Weather StatementGJTMineral36 min
Sep 19, 2:29 PM MDTSpecial Weather StatementGJT31 min
Sep 19, 2:31 PM MDTSpecial Weather StatementGJTLa Plata29 min
Sep 19, 2:34 PM MDTFlash Flood WatchGJTEagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt2 hr
Sep 19, 2:35 PM MDTSpecial Weather StatementPUBConejos25 min
Sep 19, 2:38 PM MDTSpecial Weather StatementGJTGarfield37 min
Sep 19, 3:12 PM MDTAreal Flood AdvisoryGJTMontrose107 min
Sep 19, 3:12 PM MDTSpecial Weather StatementPUBConejos33 min
Sep 19, 4:20 PM MDTAreal Flood AdvisoryGJTLa Plata8 min
Sep 19, 4:21 PM MDTSpecial Weather StatementGJTLa Plata24 min
Sep 19, 4:28 PM MDTFlash Flood WarningGJTLa Plata95 min
Sep 20, 12:59 PM MDTSpecial Weather StatementBOULarimer46 min
Sep 20, 3:06 PM MDTFire Weather WatchPUBBaca, Bent, Chaffee, Costilla, Crowley, Custer and 11 more24 hr
Sep 20, 5:22 PM MDTSpecial Weather StatementBOUElbert23 min
Sep 21, 2:52 PM MDTRed Flag WarningPUBChaffee, Costilla, Custer, El Paso, Huerfano, Lake and 4 more28 hr
Sep 21, 5:04 PM MDTSpecial Weather StatementBOUWeld26 min
Sep 22, 2:33 PM MDTFreeze WarningGJTMoffat, Rio Blanco, Routt18 hr
Sep 22, 4:26 PM MDTMesoscale DiscussionSPCSedgwick2 hr
Sep 24, 2:45 PM MDTFreeze WarningPUBAlamosa, Conejos, Costilla, Rio Grande17 hr
Sep 26, 1:52 PM MDTFire Weather WatchGJTDelta, Garfield, Mesa, Moffat, Montrose, Ouray and 2 more24 hr
Sep 26, 2:29 PM MDTFrost AdvisoryPUBAlamosa, Conejos, Costilla, Rio Grande17 hr
Sep 27, 1:50 PM MDTFire Weather WatchGJTDelta, Garfield, Mesa, Moffat, Montrose, Ouray and 2 more24 hr
Sep 27, 1:50 PM MDTRed Flag WarningGJTDelta, Garfield, Mesa, Moffat, Montrose, Ouray and 2 more30 hr
Sep 28, 1:41 PM MDTFire Weather WatchGJTGarfield, Mesa, Moffat, Montrose, Rio Blanco, San Miguel24 hr
Sep 28, 1:41 PM MDTRed Flag WarningGJTDelta, Garfield, Mesa, Moffat, Montrose, Ouray and 2 more30 hr
Sep 29, 1:44 PM MDTRed Flag WarningGJTGarfield, Mesa, Moffat, Montrose, Rio Blanco, San Miguel30 hr
Sep 30, 12:51 PM MDTSpecial Weather StatementPUBHuerfano24 min
Sep 30, 1:14 PM MDTSpecial Weather StatementPUBHuerfano46 min
Sep 30, 1:29 PM MDTSpecial Weather StatementPUBHuerfano31 min
Sep 30, 2:14 PM MDTWind AdvisoryGJTArchuleta, Delta, Dolores, Gunnison, Hinsdale, La Plata and 6 more29 hr
Sep 30, 3:08 PM MDTSpecial Weather StatementPUBSaguache37 min
Sep 30, 3:12 PM MDTSpecial Weather StatementPUBPueblo33 min
Sep 30, 3:22 PM MDTSpecial Weather StatementGLDYuma38 min
Sep 30, 3:28 PM MDTSpecial Weather StatementPUBFremont47 min
Sep 30, 3:37 PM MDTSpecial Weather StatementPUBPueblo23 min
Sep 30, 3:51 PM MDTSpecial Weather StatementPUBEl Paso24 min
Sep 30, 3:56 PM MDTMesoscale DiscussionSPCBaca, Bent, Las Animas, Otero2 hr
Sep 30, 4:03 PM MDTSpecial Weather StatementPUBFremont27 min
Sep 30, 4:07 PM MDTSpecial Weather StatementPUBEl Paso23 min
Sep 30, 4:22 PM MDTSpecial Weather StatementGJTRoutt23 min
Sep 30, 4:24 PM MDTSpecial Weather StatementPUBLas Animas36 min
Sep 30, 4:32 PM MDTSpecial Weather StatementPUBEl Paso28 min
Sep 30, 4:47 PM MDTSpecial Weather StatementBOUDouglas28 min
Sep 30, 4:47 PM MDTSpecial Weather StatementPUBLas Animas43 min
Sep 30, 4:49 PM MDTSpecial Weather StatementBOUPark26 min
Sep 30, 4:53 PM MDTSpecial Weather StatementPUBFremont37 min
Sep 30, 4:55 PM MDTSpecial Weather StatementPUBEl Paso35 min
Sep 30, 5:14 PM MDTSpecial Weather StatementGJTMineral31 min
Sep 30, 5:25 PM MDTSpecial Weather StatementPUBCuster35 min
Sep 30, 5:29 PM MDTSpecial Weather StatementBOUElbert46 min
Sep 30, 5:31 PM MDTSpecial Weather StatementBOUDouglas29 min
Sep 30, 5:31 PM MDTSpecial Weather StatementGJTArchuleta29 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.

19 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20222024

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.