Alert archive / Wyoming / Carbon County

Weather alerts in Carbon County, Wyoming, 2024

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

Carbon County and its neighbors

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

Alerts
265
Warnings
121
Watches
71
Advisories
35
Busiest month
February30 alerts
Busiest day
November 16, 20249 alerts

Over time

By month

Warning verification

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

Carbon County, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings141214%2162%16 min
Flash flood warnings10100%0

Each office's whole area, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Cheyenne, WY: tornado warnings5340%3100%3 min
NWS Cheyenne, WY: severe thunderstorm warnings2089853%20182%18 min
NWS Cheyenne, WY: flash flood warnings181139%2190%82 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 7, 3:39 AM MSTWinter Weather AdvisoryCYS28 hr
Jan 7, 12:40 PM MSTHigh Wind WatchCYS13 hr
Jan 8, 2:09 AM MSTHigh Wind WatchCYS24 hr
Jan 8, 2:09 AM MSTHigh Wind WarningCYS64 hr
Jan 8, 1:57 PM MSTBlizzard WarningCYS23 hr
Jan 8, 1:57 PM MSTWinter Storm WarningCYS5 days
Jan 11, 3:19 AM MSTWind Chill WarningCYS5 days
Jan 11, 3:19 AM MSTWinter Weather AdvisoryCYS50 hr
Jan 11, 3:24 AM MSTHigh Wind WatchCYS10 hr
Jan 11, 1:49 PM MSTHigh Wind WarningCYS34 hr
Jan 12, 12:16 PM MSTWinter Storm WatchCYS14 hr
Jan 12, 1:52 PM MSTSnow Squall WarningCYS38 min
Jan 12, 2:31 PM MSTSnow Squall Warning Significant damage threatCYS44 min
Jan 12, 3:06 PM MSTSnow Squall WarningCYS39 min
Jan 12, 3:48 PM MSTSnow Squall Warning Significant damage threatCYS57 min
Jan 12, 4:43 PM MSTSnow Squall Warning Significant damage threatCYS47 min
Jan 12, 4:55 PM MSTSnow Squall WarningCYS35 min
Jan 12, 5:37 PM MSTSnow Squall WarningCYS38 min
Jan 13, 2:20 AM MSTWinter Storm WarningCYS61 hr
Jan 13, 2:45 PM MSTWinter Weather AdvisoryCYS44 hr
Jan 15, 2:49 AM MSTHigh Wind WatchCYS12 hr
Jan 15, 2:57 PM MSTWinter Weather AdvisoryCYS3 days
Jan 15, 3:04 PM MSTHigh Wind WarningCYS68 hr
Jan 16, 1:13 AM MSTWinter Storm WatchCYS13 hr
Jan 16, 2:22 PM MSTWinter Storm WarningCYS58 hr
Feb 1, 2:31 AM MSTWinter Storm WatchCYS11 hr
Feb 1, 1:55 PM MSTWinter Storm WatchCYS13 hr
Feb 1, 1:55 PM MSTWinter Storm WarningCYS68 hr
Feb 1, 1:55 PM MSTWinter Weather AdvisoryCYS68 hr
Feb 6, 2:18 AM MSTWinter Storm WatchCYS12 hr
Feb 6, 2:06 PM MSTWinter Storm WarningCYS51 hr
Feb 6, 2:06 PM MSTWinter Weather AdvisoryCYS46 hr
Feb 7, 1:20 PM MSTHigh Wind WarningCYS28 hr
Feb 11, 1:24 AM MSTHigh Wind WatchCYS25 hr
Feb 12, 2:00 AM MSTHigh Wind WarningCYS27 hr
Feb 13, 12:40 PM MSTWinter Storm WatchCYS12 hr
Feb 14, 12:55 AM MSTWinter Storm WarningCYS70 hr
Feb 14, 2:06 PM MSTHigh Wind WatchCYS12 hr
Feb 15, 1:41 AM MSTHigh Wind WarningCYS15 hr
Feb 15, 2:21 AM MSTWinter Weather AdvisoryCYS45 hr
Feb 15, 2:16 PM MSTWinter Weather AdvisoryCYS33 hr
Feb 17, 1:52 AM MSTHigh Wind WatchCYS23 hr
Feb 17, 2:06 PM MSTHigh Wind WarningCYS42 hr
Feb 19, 1:27 AM MSTHigh Wind WatchCYS32 hr
Feb 20, 2:19 AM MSTWinter Weather AdvisoryCYS55 hr
Feb 20, 8:24 PM MSTWinter Storm WarningCYS33 hr
Feb 23, 2:25 AM MSTHigh Wind WatchCYS48 hr
Feb 23, 10:11 AM MSTHigh Wind WarningCYS3 days
Feb 25, 1:48 AM MSTWinter Storm WatchCYS12 hr
Feb 25, 1:18 PM MSTWinter Storm WatchCYS24 hr
Feb 25, 1:18 PM MSTWinter Storm WarningCYS53 hr
Feb 26, 1:33 PM MSTWinter Weather AdvisoryCYS28 hr
Feb 26, 6:39 PM MSTHigh Wind WatchCYS18 hr
Feb 27, 12:31 PM MSTHigh Wind WarningCYS37 hr
Feb 29, 1:19 PM MSTHigh Wind WarningCYS28 hr
Mar 1, 2:21 AM MSTWinter Storm WatchCYS12 hr
Mar 1, 2:05 PM MSTHigh Wind WatchCYS10 hr
Mar 1, 2:26 PM MSTWinter Storm WarningCYS63 hr
Mar 1, 11:44 PM MSTHigh Wind WarningCYS32 hr
Mar 2, 1:16 AM MSTWinter Weather AdvisoryCYS46 hr
Mar 2, 6:09 PM MSTSnow Squall WarningCYS51 min
Mar 2, 6:59 PM MSTSnow Squall WarningCYS46 min
Mar 3, 12:52 PM MSTHigh Wind WatchCYS12 hr
Mar 4, 12:39 AM MSTHigh Wind WarningCYS28 hr
Mar 6, 1:10 PM MSTWinter Weather AdvisoryCYS46 hr
Mar 11, 2:44 PM MDTWinter Storm WatchCYS36 hr
Mar 12, 2:42 AM MDTWinter Weather AdvisoryCYS3 days
Mar 12, 2:46 PM MDTWinter Storm WarningCYS63 hr
Mar 24, 2:30 AM MDTWinter Weather AdvisoryCYS28 hr
Mar 26, 1:22 PM MDTHigh Wind WatchCYS13 hr
Mar 27, 2:09 AM MDTHigh Wind WarningCYS31 hr
Mar 28, 2:23 AM MDTWinter Weather AdvisoryCYS28 hr
Mar 28, 12:23 PM MDTHigh Wind WarningCYS6 hr
Mar 29, 2:58 AM MDTWinter Storm WarningCYS63 hr
Mar 30, 3:57 AM MDTWinter Weather AdvisoryCYS31 hr
Apr 4, 2:30 PM MDTHigh Wind WatchCYS25 hr
Apr 5, 11:17 AM MDTHigh Wind WarningCYS17 hr
Apr 5, 3:07 PM MDTWinter Weather AdvisoryCYS21 hr
Apr 5, 3:25 PM MDTHigh Wind WarningCYS52 hr
Apr 6, 2:57 AM MDTWinter Weather AdvisoryCYS42 hr
Apr 12, 1:32 PM MDTFire Weather WatchCYS95 min
Apr 12, 1:32 PM MDTFire Weather WatchCYS24 hr
Apr 14, 2:45 PM MDTWinter Storm WatchCYS13 hr
Apr 15, 3:51 AM MDTWinter Storm WarningCYS35 hr
Apr 15, 3:51 AM MDTWinter Weather AdvisoryCYS35 hr
Apr 22, 1:54 PM MDTHigh Wind WarningCYS5 hr
Apr 26, 3:30 AM MDTWinter Storm WarningCYS54 hr
Apr 26, 3:30 AM MDTWinter Weather AdvisoryCYS44 hr
Apr 27, 11:47 PM MDTWinter Weather AdvisoryCYS10 hr
Apr 28, 1:58 PM MDTHigh Wind WatchCYS13 hr
Apr 29, 2:34 AM MDTHigh Wind WarningCYS39 hr
May 4, 1:50 PM MDTHigh Wind WatchCYS10 hr
May 5, 12:15 AM MDTHigh Wind WarningCYS4 days
May 5, 2:40 AM MDTWinter Weather AdvisoryCYS12 hr
May 5, 2:51 AM MDTHigh Wind WatchCYS24 hr
May 5, 2:06 PM MDTHigh Wind WarningCYS55 hr
May 5, 2:17 PM MDTWinter Storm WarningCYS28 hr
May 5, 2:17 PM MDTWinter Weather AdvisoryCYS31 hr
May 14, 6:21 PM MDTSpecial Weather StatementCYS39 min
May 14, 6:59 PM MDTSevere Thunderstorm Warning Considerable damage threatCYS46 min
May 14, 7:28 PM MDTSevere Thunderstorm WarningCYS32 min
May 17, 3:57 PM MDTSevere Thunderstorm WarningCYS48 min
May 19, 12:35 PM MDTSpecial Weather StatementCYS40 min
May 19, 2:35 PM MDTSpecial Weather StatementCYS40 min
May 22, 1:41 AM MDTHigh Wind WatchCYS24 hr
May 23, 1:29 AM MDTHigh Wind WarningCYS17 hr
May 25, 1:21 AM MDTHigh Wind WatchCYS24 hr
May 26, 1:43 AM MDTHigh Wind WarningCYS15 hr
Jun 3, 2:46 PM MDTHigh Wind WarningCYS51 hr
Jun 6, 1:58 PM MDTRiver Flood WatchCYS66 hr
Jun 7, 10:48 AM MDTFlood WatchCYS5 days
Jun 7, 10:57 AM MDTRiver Flood WarningCYS34 hr
Jun 7, 2:52 PM MDTRiver Flood WatchCYS42 hr
Jun 8, 5:40 PM MDTSpecial Weather StatementCYS35 min
Jun 9, 8:20 PM MDTSevere Thunderstorm WarningCYS40 min
Jun 9, 8:54 PM MDTSevere Thunderstorm Warning Considerable damage threatCYS40 min
Jun 10, 4:48 PM MDTSevere Thunderstorm Warning Considerable damage threatCYS42 min
Jun 15, 2:27 PM MDTSpecial Weather StatementCYS33 min
Jun 16, 2:11 PM MDTHigh Wind WatchCYS31 hr
Jun 17, 1:45 PM MDTHigh Wind WarningCYS19 hr
Jun 20, 3:47 PM MDTFlash Flood Warning Considerable damage threatCYS105 min
Jun 21, 6:04 PM MDTSpecial Weather StatementCYS71 min
Jun 23, 4:35 PM MDTSpecial Weather StatementCYS40 min
Jun 29, 7:21 PM MDTSpecial Weather StatementCYS39 min
Jun 29, 10:05 PM MDTSpecial Weather StatementCYS40 min
Jul 1, 3:51 AM MDTSevere Thunderstorm WarningCYS24 min
Jul 1, 5:08 PM MDTSpecial Weather StatementCYS67 min
Jul 5, 1:25 PM MDTFire Weather WatchCYS12 hr
Jul 5, 7:27 PM MDTRed Flag WarningCYS25 hr
Jul 12, 2:58 AM MDTRed Flag WarningCYS17 hr
Jul 13, 4:23 PM MDTSpecial Weather StatementCYS82 min
Jul 14, 2:06 AM MDTRed Flag WarningCYS20 hr
Jul 19, 2:41 PM MDTSpecial Weather StatementCYS49 min
Jul 27, 1:06 PM MDTMesoscale DiscussionSPC3 hr
Jul 27, 2:16 PM MDTRed Flag WarningCYS30 hr
Jul 27, 3:26 PM MDTSpecial Weather StatementCYS64 min
Jul 27, 3:52 PM MDTSevere Thunderstorm WarningCYS53 min
Jul 27, 7:10 PM MDTSpecial Weather StatementCYS50 min
Jul 27, 7:16 PM MDTSevere Thunderstorm Warning Considerable damage threatCYS44 min
Jul 28, 2:46 PM MDTFire Weather WatchCYS14 hr
Jul 28, 3:01 PM MDTSpecial Weather StatementCYS59 min
Jul 28, 3:48 PM MDTSevere Thunderstorm WarningCYS72 min
Jul 29, 4:40 AM MDTFire Weather WatchCYS15 hr
Jul 29, 4:40 AM MDTRed Flag WarningCYS15 hr
Jul 29, 7:50 PM MDTRed Flag WarningCYS25 hr
Jul 30, 1:56 PM MDTFire Weather WatchCYS7 hr
Jul 30, 8:57 PM MDTRed Flag WarningCYS22 hr
Aug 8, 4:02 PM MDTSpecial Weather StatementCYS28 min
Aug 9, 2:51 PM MDTMesoscale DiscussionSPC114 min
Aug 9, 4:32 PM MDTSpecial Weather StatementCYS28 min
Aug 9, 6:51 PM MDTSpecial Weather StatementCYS39 min
Aug 9, 7:37 PM MDTSpecial Weather StatementCYS23 min
Aug 14, 12:12 PM MDTMesoscale DiscussionSPC3 hr
Aug 14, 3:08 PM MDTSpecial Weather StatementCYS37 min
Aug 14, 3:37 PM MDTSpecial Weather StatementCYS38 min
Aug 15, 1:25 AM MDTFire Weather WatchCYS24 hr
Aug 15, 6:01 PM MDTSpecial Weather StatementCYS44 min
Aug 15, 7:04 PM MDTSpecial Weather StatementCYS41 min
Aug 16, 1:25 AM MDTRed Flag WarningCYS19 hr
Aug 17, 5:21 PM MDTSpecial Weather StatementCYS39 min
Aug 17, 5:26 PM MDTSevere Thunderstorm WarningCYS49 min
Aug 17, 5:48 PM MDTSpecial Weather StatementCYS27 min
Aug 17, 5:58 PM MDTSevere Thunderstorm WarningCYS47 min
Aug 17, 6:13 PM MDTSpecial Weather StatementCYS47 min
Aug 25, 10:38 AM MDTSpecial Weather StatementCYS52 min
Aug 25, 11:09 AM MDTSpecial Weather StatementCYS81 min
Aug 25, 1:22 PM MDTSevere Thunderstorm WatchSPC7 hr
Aug 25, 3:57 PM MDTMesoscale DiscussionSPC93 min
Aug 25, 4:28 PM MDTSpecial Weather StatementCYS47 min
Aug 25, 5:44 PM MDTSpecial Weather StatementCYS46 min
Aug 25, 6:19 PM MDTSevere Thunderstorm WarningCYS41 min
Aug 25, 6:56 PM MDTSevere Thunderstorm WarningCYS38 min
Aug 27, 2:38 AM MDTFire Weather WatchCYS10 hr
Aug 27, 12:46 PM MDTRed Flag WarningCYS31 hr
Sep 1, 1:49 PM MDTRed Flag WarningCYS30 hr
Sep 4, 12:06 PM MDTMesoscale DiscussionSPC114 min
Sep 11, 3:03 AM MDTFire Weather WatchCYS10 hr
Sep 11, 1:14 PM MDTRed Flag WarningCYS31 hr
Sep 13, 2:36 AM MDTFire Weather WatchCYS12 hr
Sep 13, 2:29 PM MDTRed Flag WarningCYS30 hr
Sep 16, 3:02 AM MDTHigh Wind WatchCYS50 hr
Sep 17, 2:16 AM MDTHigh Wind WarningCYS37 hr
Sep 17, 10:33 AM MDTMesoscale DiscussionSPC117 min
Sep 19, 12:37 PM MDTRed Flag WarningCYS31 hr
Sep 25, 1:46 PM MDTRed Flag WarningCYS29 hr
Sep 27, 1:10 PM MDTFire Weather WatchCYS12 hr
Sep 28, 1:34 AM MDTFire Weather WatchCYS42 hr
Sep 28, 1:34 AM MDTRed Flag WarningCYS65 hr
Sep 29, 6:15 PM MDTSpecial Weather StatementCYS45 min
Sep 29, 7:33 PM MDTRed Flag WarningCYS23 hr
Sep 30, 1:11 AM MDTFire Weather WatchCYS25 hr
Oct 1, 1:31 AM MDTHigh Wind WatchCYS34 hr
Oct 1, 1:49 AM MDTRed Flag WarningCYS42 hr
Oct 1, 1:26 PM MDTHigh Wind WarningCYS22 hr
Oct 3, 1:22 AM MDTFire Weather WatchCYS24 hr
Oct 3, 1:35 PM MDTRed Flag WarningCYS53 hr
Oct 4, 1:15 AM MDTHigh Wind WatchCYS8 hr
Oct 4, 9:42 AM MDTHigh Wind WarningCYS32 hr
Oct 8, 2:55 AM MDTRed Flag WarningCYS15 hr
Oct 11, 2:37 AM MDTRed Flag WarningCYS15 hr
Oct 17, 2:26 AM MDTWinter Weather AdvisoryCYS36 hr
Oct 17, 1:02 PM MDTHigh Wind WarningCYS5 hr
Oct 18, 9:10 AM MDTDense Fog AdvisoryCYS25 hr
Oct 20, 5:51 PM MDTSpecial Weather StatementCYS39 min
Oct 21, 1:54 AM MDTHigh Wind WatchCYS12 hr
Oct 21, 2:16 PM MDTHigh Wind WarningCYS19 hr
Oct 28, 1:34 AM MDTHigh Wind WarningCYS17 hr
Oct 28, 2:09 AM MDTWinter Weather AdvisoryCYS64 hr
Oct 29, 1:21 AM MDTWinter Storm WarningCYS35 hr
Oct 30, 1:42 AM MDTHigh Wind WatchCYS33 hr
Oct 31, 1:08 PM MDTHigh Wind WarningCYS5 hr
Nov 2, 1:02 PM MDTWinter Weather AdvisoryCYS44 hr
Nov 3, 1:17 AM MSTHigh Wind WatchCYS61 hr
Nov 3, 1:20 PM MSTHigh Wind WarningCYS52 hr
Nov 5, 10:50 AM MSTWinter Weather AdvisoryCYS6 hr
Nov 12, 1:39 AM MSTWinter Weather AdvisoryCYS28 hr
Nov 13, 8:30 AM MSTHigh Wind WarningCYS9 hr
Nov 16, 1:54 AM MSTHigh Wind WatchCYS8 hr
Nov 16, 9:32 AM MSTHigh Wind WarningCYS29 hr
Nov 16, 9:48 AM MSTSnow Squall WarningCYS27 min
Nov 16, 10:14 AM MSTSnow Squall WarningCYS31 min
Nov 16, 10:44 AM MSTSnow Squall WarningCYS31 min
Nov 16, 11:15 AM MSTSnow Squall WarningCYS30 min
Nov 16, 11:44 AM MSTSnow Squall WarningCYS31 min
Nov 16, 1:20 PM MSTSnow Squall WarningCYS25 min
Nov 16, 1:44 PM MSTSnow Squall WarningCYS31 min
Nov 17, 12:18 PM MSTHigh Wind WatchCYS14 hr
Nov 18, 2:35 AM MSTHigh Wind WarningCYS23 hr
Nov 19, 1:54 AM MSTHigh Wind WatchCYS12 hr
Nov 19, 1:39 PM MSTHigh Wind WarningCYS27 hr
Nov 22, 12:58 PM MSTFire Weather WatchCYS13 hr
Nov 23, 1:19 AM MSTHigh Wind WarningCYS17 hr
Nov 23, 1:34 AM MSTRed Flag WarningCYS22 hr
Nov 23, 1:37 PM MSTWinter Weather AdvisoryCYS33 hr
Nov 25, 1:10 AM MSTWinter Storm WatchCYS11 hr
Nov 25, 11:51 AM MSTWinter Storm WarningCYS47 hr
Nov 25, 11:51 AM MSTWinter Weather AdvisoryCYS47 hr
Nov 28, 12:44 PM MSTHigh Wind WatchCYS24 hr
Nov 29, 12:43 PM MSTHigh Wind WarningCYS28 hr
Dec 6, 1:42 AM MSTHigh Wind WatchCYS35 hr
Dec 7, 1:54 AM MSTHigh Wind WarningCYS48 hr
Dec 9, 12:35 PM MSTHigh Wind WatchCYS15 hr
Dec 9, 7:26 PM MSTHigh Wind WarningCYS49 hr
Dec 12, 1:25 PM MSTHigh Wind WatchCYS14 hr
Dec 13, 3:07 AM MSTHigh Wind WarningCYS37 hr
Dec 13, 12:28 PM MSTHigh Wind WatchCYS49 hr
Dec 14, 6:00 AM MSTHigh Wind WarningCYS59 hr
Dec 16, 2:32 PM MSTHigh Wind WarningCYS18 hr
Dec 16, 2:42 PM MSTWinter Weather AdvisoryCYS29 hr
Dec 17, 1:50 AM MSTHigh Wind WatchCYS11 hr
Dec 17, 2:04 AM MSTWinter Storm WarningCYS18 hr
Dec 17, 1:18 PM MSTHigh Wind WarningCYS39 hr
Dec 19, 1:13 PM MSTHigh Wind WatchCYS27 hr
Dec 21, 1:39 AM MSTHigh Wind WatchCYS11 hr
Dec 21, 1:05 PM MSTHigh Wind WarningCYS31 hr
Dec 25, 1:01 AM MSTHigh Wind WatchCYS24 hr
Dec 25, 1:45 PM MSTHigh Wind WarningCYS33 hr
Dec 25, 1:49 PM MSTWinter Weather AdvisoryCYS39 hr
Dec 26, 1:46 PM MSTWinter Storm WarningCYS39 hr
Dec 26, 1:46 PM MSTWinter Weather AdvisoryCYS39 hr
Dec 26, 2:13 PM MSTHigh Wind WatchCYS11 hr
Dec 27, 1:11 AM MSTHigh Wind WatchCYS25 hr
Dec 27, 1:11 AM MSTHigh Wind WarningCYS4 days
Dec 27, 2:55 PM MSTWinter Storm WarningCYS44 hr
Dec 29, 12:59 PM MSTWinter Weather AdvisoryCYS40 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.