Alert archive / Colorado / Cheyenne County

Weather alerts in Cheyenne County, Colorado, 2024

262 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Cheyenne County and its neighbors

Each county as a circle sized by its count in 2024. Tap one for its archive.

Alerts
262
Warnings
77
Watches
45
Advisories
29
Busiest month
June54 alerts
Busiest day
July 17, 202412 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

0 of 2 tornado warnings covering Cheyenne County in 2024 had a tornado report inside them.

Cheyenne County, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings20100%0
Severe thunderstorm warnings441761%2458%24 min
Flash flood warnings10100%0

Each office's whole area, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Goodland, KS: tornado warnings29583%1753%14 min
NWS Goodland, KS: severe thunderstorm warnings37317753%59179%25 min
NWS Goodland, KS: flash flood warnings13377%667%71 min

An office's figures cover every county it serves, including across state lines.

Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.

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.

IssuedProductOfficeLasted
Jan 3, 2:02 PM MSTDense Fog AdvisoryGLD21 hr
Jan 3, 2:03 PM MSTWinter Weather AdvisoryGLD44 hr
Jan 6, 2:40 AM MSTWinter Storm WatchGLD33 hr
Jan 7, 12:01 PM MSTBlizzard WarningGLD39 hr
Jan 8, 9:35 AM MSTMesoscale DiscussionSPC4 hr
Jan 10, 2:05 AM MSTWind Chill WatchGLD24 hr
Jan 10, 2:05 AM MSTWind Chill AdvisoryGLD56 hr
Jan 11, 2:07 AM MSTWind Chill WarningGLD5 days
Jan 11, 2:07 AM MSTWinter Weather AdvisoryGLD25 hr
Jan 13, 7:03 AM MSTSpecial Weather StatementGLD57 min
Jan 13, 7:59 AM MSTSpecial Weather StatementGLD61 min
Jan 17, 2:06 AM MSTWind Chill AdvisoryGLD55 hr
Jan 22, 1:16 PM MSTDense Fog AdvisoryGLD22 hr
Jan 23, 1:27 PM MSTDense Fog AdvisoryGLD22 hr
Feb 2, 7:14 PM MSTDense Fog AdvisoryGLD12 hr
Feb 5, 1:45 AM MSTDense Fog AdvisoryGLD8 hr
Feb 10, 8:47 AM MSTWinter Weather AdvisoryGLD20 hr
Feb 16, 6:15 AM MSTSpecial Weather StatementGLD60 min
Feb 16, 6:48 AM MSTWinter Weather AdvisoryGLD5 hr
Feb 23, 2:00 PM MSTFire Weather WatchGLD12 hr
Feb 25, 1:01 PM MSTRed Flag WarningGLD29 hr
Feb 27, 12:15 PM MSTSnow Squall Warning Significant damage threatGLD60 min
Feb 27, 12:29 PM MSTMesoscale DiscussionSPC3 hr
Feb 27, 1:05 PM MSTSpecial Weather StatementGLD25 min
Feb 27, 1:32 PM MSTSpecial Weather StatementGLD13 min
Feb 27, 1:53 PM MSTSpecial Weather StatementGLD22 min
Feb 27, 2:20 PM MSTSpecial Weather StatementGLD25 min
Feb 27, 2:42 PM MSTSpecial Weather StatementGLD33 min
Feb 27, 2:49 PM MSTSnow Squall Warning Significant damage threatGLD56 min
Feb 29, 12:35 PM MSTFire Weather WatchGLD20 hr
Mar 1, 8:37 AM MSTRed Flag WarningGLD34 hr
Mar 7, 1:52 AM MSTDense Fog AdvisoryGLD7 hr
Mar 23, 9:00 PM MDTHigh Wind WatchGLD5 hr
Mar 24, 2:06 AM MDTHigh Wind WarningGLD24 hr
Mar 24, 2:08 AM MDTWinter Weather AdvisoryGLD46 hr
Mar 29, 1:33 PM MDTFire Weather WatchGLD24 hr
Mar 30, 1:26 PM MDTRed Flag WarningGLD29 hr
Apr 2, 1:21 AM MDTFire Weather WatchGLD4 days
Apr 4, 3:22 AM MDTRed Flag WarningGLD41 hr
Apr 5, 1:17 AM MDTHigh Wind WatchGLD13 hr
Apr 6, 12:06 AM MDTRed Flag WarningGLD18 hr
Apr 6, 2:15 PM MDTFire Weather WatchGLD7 hr
Apr 6, 9:07 PM MDTRed Flag WarningGLD21 hr
Apr 12, 2:30 PM MDTRed Flag WarningGLD29 hr
Apr 13, 12:58 PM MDTFire Weather WatchGLD38 hr
Apr 14, 2:15 AM MDTRed Flag WarningGLD44 hr
Apr 15, 2:45 AM MDTHigh Wind WatchGLD17 hr
Apr 15, 1:41 PM MDTHigh Wind WarningGLD29 hr
Apr 24, 1:45 AM MDTFire Weather WatchGLD24 hr
Apr 24, 11:56 AM MDTRed Flag WarningGLD30 hr
Apr 25, 1:53 PM MDTTornado WatchSPC7 hr
May 3, 3:01 PM MDTSevere Thunderstorm WatchSPC7 hr
May 3, 4:53 PM MDTSevere Thunderstorm WarningGLD67 min
May 3, 6:38 PM MDTSevere Thunderstorm Warning Considerable damage threatGLD67 min
May 5, 2:14 PM MDTFire Weather WatchGLD12 hr
May 6, 2:26 AM MDTFire Weather WatchGLD12 hr
May 6, 2:26 AM MDTRed Flag WarningGLD18 hr
May 6, 9:42 AM MDTBlowing Dust AdvisoryGLD4 hr
May 6, 2:00 PM MDTRed Flag WarningGLD29 hr
May 12, 12:36 PM MDTSpecial Weather StatementGLD84 min
May 12, 1:59 PM MDTSpecial Weather StatementGLD3 hr
May 12, 3:15 PM MDTSpecial Weather StatementGLD15 min
May 12, 4:06 PM MDTSpecial Weather StatementGLD24 min
May 14, 1:29 PM MDTSpecial Weather StatementGLD16 min
May 14, 1:44 PM MDTSpecial Weather StatementGLD16 min
May 14, 2:22 PM MDTSpecial Weather StatementGLD23 min
May 14, 3:04 PM MDTSpecial Weather StatementGLD26 min
May 14, 4:07 PM MDTMesoscale DiscussionSPC83 min
May 18, 8:13 PM MDTSpecial Weather StatementGLD32 min
May 18, 8:31 PM MDTSpecial Weather StatementGLD14 min
May 18, 8:45 PM MDTSpecial Weather StatementGLD30 min
May 18, 9:14 PM MDTSpecial Weather StatementGLD31 min
May 18, 9:40 PM MDTSevere Thunderstorm WarningGLD40 min
May 22, 8:25 PM MDTRed Flag WarningGLD23 hr
May 23, 6:53 PM MDTDust Storm AdvisoryGLD82 min
May 23, 8:14 PM MDTDust Storm AdvisoryGLD46 min
May 24, 1:19 AM MDTFire Weather WatchGLD24 hr
May 25, 1:22 AM MDTRed Flag WarningGLD17 hr
May 28, 4:40 PM MDTSpecial Weather StatementGLD50 min
May 28, 4:45 PM MDTMesoscale DiscussionSPC60 min
May 28, 5:03 PM MDTSevere Thunderstorm WatchSPC4 hr
May 28, 5:10 PM MDTSevere Thunderstorm WarningGLD35 min
May 28, 5:19 PM MDTSevere Thunderstorm WarningGLD26 min
May 28, 5:36 PM MDTSevere Thunderstorm WarningGLD24 min
May 28, 5:56 PM MDTSevere Thunderstorm WarningGLD49 min
May 29, 2:27 PM MDTMesoscale DiscussionSPC2 hr
May 29, 2:57 PM MDTSevere Thunderstorm WatchSPC6 hr
May 29, 4:55 PM MDTMesoscale DiscussionSPC2 hr
May 29, 9:15 PM MDTSpecial Weather StatementGLD45 min
May 29, 9:54 PM MDTSpecial Weather StatementGLD66 min
May 29, 10:41 PM MDTSpecial Weather StatementGLD19 min
May 30, 2:03 AM MDTAreal Flood AdvisoryGLD3 hr
May 30, 4:41 PM MDTMesoscale DiscussionSPC64 min
May 30, 6:32 PM MDTSpecial Weather StatementGLD28 min
May 30, 9:34 PM MDTAreal Flood AdvisoryGLD5 hr
May 31, 3:47 PM MDTSevere Thunderstorm WatchSPC7 hr
May 31, 5:44 PM MDTMesoscale DiscussionSPC91 min
May 31, 8:24 PM MDTMesoscale DiscussionSPC96 min
Jun 1, 12:36 PM MDTMesoscale DiscussionSPC114 min
Jun 1, 2:00 PM MDTSevere Thunderstorm WatchSPC6 hr
Jun 1, 3:54 PM MDTMesoscale DiscussionSPC66 min
Jun 1, 7:00 PM MDTMesoscale DiscussionSPC90 min
Jun 2, 1:52 PM MDTMesoscale DiscussionSPC113 min
Jun 2, 2:45 PM MDTSevere Thunderstorm WatchSPC7 hr
Jun 3, 12:32 AM MDTAreal Flood WarningGLD5 hr
Jun 7, 2:39 PM MDTSpecial Weather StatementGLD36 min
Jun 7, 3:03 PM MDTSevere Thunderstorm WatchSPC6 hr
Jun 7, 4:57 PM MDTSpecial Weather StatementGLD48 min
Jun 7, 5:46 PM MDTSevere Thunderstorm Warning Considerable damage threatGLD59 min
Jun 8, 11:51 AM MDTMesoscale DiscussionSPC114 min
Jun 8, 12:26 PM MDTSevere Thunderstorm WatchSPC9 hr
Jun 8, 2:38 PM MDTMesoscale DiscussionSPC2 hr
Jun 8, 4:53 PM MDTSevere Thunderstorm WarningGLD37 min
Jun 8, 4:58 PM MDTTornado WarningGLD32 min
Jun 8, 5:02 PM MDTSevere Thunderstorm Warning Considerable damage threatGLD43 min
Jun 8, 5:18 PM MDTSevere Thunderstorm Warning Considerable damage threatGLD42 min
Jun 8, 5:20 PM MDTMesoscale DiscussionSPC85 min
Jun 8, 5:38 PM MDTSevere Thunderstorm Warning Considerable damage threatGLD67 min
Jun 8, 5:54 PM MDTSevere Thunderstorm Warning Destructive damage threatGLD36 min
Jun 8, 6:24 PM MDTSevere Thunderstorm WarningGLD66 min
Jun 8, 6:41 PM MDTSevere Thunderstorm Warning Considerable damage threatGLD64 min
Jun 8, 6:42 PM MDTSpecial Weather StatementGLD48 min
Jun 8, 6:59 PM MDTSevere Thunderstorm WarningGLD13 min
Jun 8, 7:26 PM MDTSevere Thunderstorm Warning Destructive damage threatGLD38 min
Jun 8, 7:29 PM MDTSevere Thunderstorm Warning Destructive damage threatGLD12 min
Jun 8, 7:32 PM MDTSevere Thunderstorm WarningGLD13 min
Jun 8, 7:45 PM MDTSevere Thunderstorm Warning Destructive damage threatGLD45 min
Jun 8, 8:18 PM MDTSpecial Weather StatementGLD42 min
Jun 9, 4:06 AM MDTDense Fog AdvisoryGLD5 hr
Jun 13, 12:53 PM MDTMesoscale DiscussionSPC3 hr
Jun 13, 3:02 PM MDTSevere Thunderstorm Warning Considerable damage threatGLD43 min
Jun 13, 3:35 PM MDTSpecial Weather StatementGLD25 min
Jun 14, 1:44 PM MDTMesoscale DiscussionSPC61 min
Jun 14, 2:10 PM MDTSevere Thunderstorm WatchSPC7 hr
Jun 14, 4:46 PM MDTSevere Thunderstorm WarningGLD40 min
Jun 14, 5:03 PM MDTSevere Thunderstorm WarningGLD42 min
Jun 15, 5:22 PM MDTSpecial Weather StatementGLD38 min
Jun 15, 6:40 PM MDTSpecial Weather StatementGLD50 min
Jun 15, 7:04 PM MDTSevere Thunderstorm WarningGLD26 min
Jun 16, 2:05 PM MDTFire Weather WatchGLD12 hr
Jun 17, 2:24 AM MDTHigh Wind WatchGLD11 hr
Jun 17, 2:31 AM MDTRed Flag WarningGLD18 hr
Jun 17, 2:06 PM MDTMesoscale DiscussionSPC84 min
Jun 21, 4:54 PM MDTSpecial Weather StatementGLD36 min
Jun 21, 5:25 PM MDTSpecial Weather StatementGLD35 min
Jun 27, 2:41 PM MDTSevere Thunderstorm WatchSPC6 hr
Jun 27, 2:49 PM MDTSpecial Weather StatementGLD3 hr
Jun 27, 5:02 PM MDTSpecial Weather StatementGLD13 min
Jun 27, 5:19 PM MDTSpecial Weather StatementGLD26 min
Jun 27, 7:16 PM MDTMesoscale DiscussionSPC119 min
Jun 28, 7:14 PM MDTMesoscale DiscussionSPC91 min
Jun 30, 8:23 PM MDTSpecial Weather StatementGLD37 min
Jun 30, 9:00 PM MDTSpecial Weather StatementGLD30 min
Jun 30, 9:25 PM MDTSpecial Weather StatementGLD35 min
Jun 30, 9:30 PM MDTSpecial Weather StatementGLD30 min
Jun 30, 9:58 PM MDTSevere Thunderstorm WarningGLD62 min
Jun 30, 11:04 PM MDTSpecial Weather StatementGLD41 min
Jun 30, 11:45 PM MDTSpecial Weather StatementGLD30 min
Jul 1, 12:15 AM MDTSpecial Weather StatementGLD45 min
Jul 1, 3:47 PM MDTMesoscale DiscussionSPC58 min
Jul 3, 2:57 PM MDTMesoscale DiscussionSPC2 hr
Jul 3, 3:29 PM MDTSevere Thunderstorm WatchSPC6 hr
Jul 3, 4:28 PM MDTMesoscale DiscussionSPC62 min
Jul 3, 5:53 PM MDTMesoscale DiscussionSPC97 min
Jul 3, 6:54 PM MDTSpecial Weather StatementGLD36 min
Jul 7, 2:51 PM MDTSevere Thunderstorm WatchSPC8 hr
Jul 7, 5:42 PM MDTSevere Thunderstorm Warning Considerable damage threatGLD33 min
Jul 7, 6:14 PM MDTSevere Thunderstorm WarningGLD31 min
Jul 7, 6:35 PM MDTSevere Thunderstorm WarningGLD40 min
Jul 7, 6:56 PM MDTTornado WarningGLD14 min
Jul 7, 7:07 PM MDTMesoscale DiscussionSPC83 min
Jul 7, 7:17 PM MDTSpecial Weather StatementGLD13 min
Jul 11, 3:59 PM MDTSpecial Weather StatementGLD31 min
Jul 11, 4:22 PM MDTMesoscale DiscussionSPC113 min
Jul 12, 1:52 PM MDTHeat AdvisoryGLD55 hr
Jul 14, 8:10 PM MDTSevere Thunderstorm Warning Considerable damage threatGLD65 min
Jul 15, 2:49 PM MDTMesoscale DiscussionSPC86 min
Jul 16, 7:12 PM MDTSpecial Weather StatementGLD33 min
Jul 17, 12:20 PM MDTMesoscale DiscussionSPC115 min
Jul 17, 1:00 PM MDTSpecial Weather StatementGLD30 min
Jul 17, 1:29 PM MDTSpecial Weather StatementGLD31 min
Jul 17, 1:41 PM MDTSpecial Weather StatementGLD34 min
Jul 17, 2:03 PM MDTSevere Thunderstorm WarningGLD27 min
Jul 17, 2:23 PM MDTFlash Flood WarningGLD27 min
Jul 17, 2:44 PM MDTSpecial Weather StatementGLD46 min
Jul 17, 2:49 PM MDTMesoscale DiscussionSPC116 min
Jul 17, 2:51 PM MDTAreal Flood WarningGLD56 min
Jul 17, 3:13 PM MDTSevere Thunderstorm WarningGLD34 min
Jul 17, 3:46 PM MDTSevere Thunderstorm WarningGLD21 min
Jul 19, 1:25 PM MDTSevere Thunderstorm WatchSPC10 hr
Jul 19, 2:52 PM MDTSpecial Weather StatementGLD23 min
Jul 19, 3:08 PM MDTSevere Thunderstorm WarningGLD67 min
Jul 19, 4:03 PM MDTSpecial Weather StatementGLD27 min
Jul 19, 7:46 PM MDTSpecial Weather StatementGLD29 min
Jul 19, 10:01 PM MDTSevere Thunderstorm Warning Considerable damage threatGLD59 min
Jul 20, 4:16 PM MDTMesoscale DiscussionSPC89 min
Aug 1, 6:57 PM MDTSpecial Weather StatementGLD33 min
Aug 1, 7:27 PM MDTSpecial Weather StatementGLD33 min
Aug 1, 8:05 PM MDTSpecial Weather StatementGLD25 min
Aug 1, 8:38 PM MDTSpecial Weather StatementGLD37 min
Aug 5, 8:52 PM MDTSpecial Weather StatementGLD23 min
Aug 5, 9:14 PM MDTSpecial Weather StatementGLD31 min
Aug 7, 2:03 PM MDTSpecial Weather StatementGLD27 min
Aug 7, 2:25 PM MDTSpecial Weather StatementGLD95 min
Aug 7, 7:26 PM MDTSevere Thunderstorm WarningGLD73 min
Aug 10, 11:33 PM MDTDense Fog AdvisoryGLD8 hr
Aug 11, 2:41 PM MDTSevere Thunderstorm WatchSPC6 hr
Aug 12, 12:31 AM MDTDense Fog AdvisoryGLD9 hr
Aug 12, 10:33 AM MDTFlood WatchGLD14 hr
Aug 12, 7:26 PM MDTMesoscale DiscussionSPC2 hr
Aug 12, 9:01 PM MDTSpecial Weather StatementGLD14 min
Aug 12, 9:23 PM MDTSevere Thunderstorm WarningGLD32 min
Aug 12, 9:56 PM MDTSpecial Weather StatementGLD49 min
Aug 13, 4:52 PM MDTSevere Thunderstorm WatchSPC8 hr
Aug 17, 6:03 PM MDTSpecial Weather StatementGLD27 min
Aug 19, 1:43 PM MDTSevere Thunderstorm WatchSPC7 hr
Aug 19, 6:07 PM MDTMesoscale DiscussionSPC53 min
Aug 20, 1:21 PM MDTMesoscale DiscussionSPC114 min
Aug 20, 7:11 PM MDTSevere Thunderstorm WarningGLD25 min
Aug 20, 7:39 PM MDTMesoscale DiscussionSPC96 min
Aug 22, 4:51 PM MDTMesoscale DiscussionSPC114 min
Aug 22, 5:24 PM MDTSevere Thunderstorm WatchSPC6 hr
Aug 22, 5:48 PM MDTSevere Thunderstorm WarningGLD42 min
Aug 22, 6:39 PM MDTSevere Thunderstorm WarningGLD51 min
Aug 22, 7:15 PM MDTSevere Thunderstorm WarningGLD30 min
Aug 22, 7:44 PM MDTMesoscale DiscussionSPC2 hr
Aug 23, 3:03 PM MDTSpecial Weather StatementGLD117 min
Aug 24, 4:48 AM MDTDense Fog AdvisoryGLD4 hr
Sep 11, 2:11 AM MDTFire Weather WatchGLD24 hr
Sep 11, 2:11 AM MDTRed Flag WarningGLD18 hr
Sep 11, 1:28 PM MDTRed Flag WarningGLD31 hr
Sep 15, 2:46 PM MDTSpecial Weather StatementGLD29 min
Sep 17, 2:54 PM MDTSevere Thunderstorm WatchSPC6 hr
Sep 17, 3:04 PM MDTMesoscale DiscussionSPC116 min
Sep 17, 4:27 PM MDTSpecial Weather StatementGLD33 min
Sep 17, 4:34 PM MDTSevere Thunderstorm WarningGLD56 min
Sep 17, 4:45 PM MDTDust Storm AdvisoryGLD90 min
Sep 17, 5:22 PM MDTSevere Thunderstorm WarningGLD23 min
Sep 17, 5:39 PM MDTSevere Thunderstorm WarningGLD36 min
Sep 17, 5:57 PM MDTSevere Thunderstorm Warning Considerable damage threatGLD63 min
Sep 29, 2:15 AM MDTRed Flag WarningGLD16 hr
Oct 11, 1:07 AM MDTFire Weather WatchGLD24 hr
Oct 14, 12:42 PM MDTFreeze WatchGLD25 hr
Oct 20, 11:19 PM MDTSpecial Weather StatementGLD26 min
Oct 20, 11:48 PM MDTSpecial Weather StatementGLD27 min
Oct 24, 1:11 AM MDTFrost AdvisoryGLD31 hr
Oct 25, 1:55 AM MDTFrost AdvisoryGLD30 hr
Oct 28, 1:47 AM MDTHigh Wind WatchGLD31 hr
Oct 28, 1:55 AM MDTFire Weather WatchGLD11 hr
Oct 28, 1:18 PM MDTRed Flag WarningGLD29 hr
Oct 29, 2:54 AM MDTFreeze WatchGLD22 hr
Oct 30, 12:49 AM MDTFreeze WarningGLD31 hr
Nov 5, 12:52 PM MSTWinter Storm WarningGLD4 days
Nov 7, 1:57 AM MSTWinter Storm WatchGLD11 hr
Nov 7, 6:06 AM MSTMesoscale DiscussionSPC4 hr
Nov 8, 5:23 AM MSTMesoscale DiscussionSPC4 hr
Nov 11, 1:07 PM MSTDense Fog AdvisoryGLD19 hr
Dec 25, 1:07 PM MSTDense Fog AdvisoryGLD22 hr
Dec 26, 12:02 PM MSTDense Fog AdvisoryGLD20 hr
Dec 28, 1:43 PM MSTHigh Wind WatchGLD35 hr
Dec 29, 1:38 PM MSTHigh Wind WarningGLD27 hr
Dec 29, 1:41 PM MSTRed Flag WarningGLD27 hr

By product

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

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20232025

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.