Alert archive / Wyoming / Crook County

Weather alerts in Crook County, Wyoming, 2023

182 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Crook County and its neighbors

Each county as a circle sized by its count in 2023. Tap one for its archive.

Alerts
182
Warnings
60
Watches
28
Advisories
24
Busiest month
July42 alerts
Busiest day
May 27, 202315 alerts

Over time

By month

Warning verification

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

Crook County, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings483919%4190%24 min
Flash flood warnings20100%0

Each office's whole area, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Rapid City, SD: tornado warnings6267%560%18 min
NWS Rapid City, SD: severe thunderstorm warnings33123629%53282%24 min
NWS Rapid City, SD: flash flood warnings11555%1292%78 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, 8:31 PM MSTDense Fog AdvisoryUNR13 hr
Jan 17, 3:37 AM MSTDense Fog AdvisoryUNR8 hr
Jan 17, 5:09 PM MSTDense Fog AdvisoryUNR18 hr
Jan 24, 4:01 AM MSTWinter Storm WatchUNR10 hr
Jan 24, 1:36 PM MSTWinter Storm WarningUNR29 hr
Jan 24, 1:36 PM MSTWinter Weather AdvisoryUNR29 hr
Jan 25, 1:49 PM MSTWinter Storm WatchUNR13 hr
Jan 26, 2:59 AM MSTWinter Storm WatchUNR23 hr
Jan 26, 2:59 AM MSTWinter Weather AdvisoryUNR18 hr
Jan 26, 8:30 PM MSTWinter Weather AdvisoryUNR49 hr
Jan 29, 12:35 PM MSTWind Chill AdvisoryUNR22 hr
Jan 29, 8:22 PM MSTWind Chill WarningUNR15 hr
Feb 5, 12:55 PM MSTWinter Weather AdvisoryUNR26 hr
Feb 8, 1:41 PM MSTWinter Weather AdvisoryUNR19 hr
Feb 13, 2:41 AM MSTWinter Storm WatchUNR11 hr
Feb 13, 2:41 AM MSTWinter Weather AdvisoryUNR50 hr
Feb 13, 1:32 PM MSTWinter Storm WarningUNR33 hr
Feb 19, 1:00 PM MSTWinter Storm WatchUNR25 hr
Feb 20, 7:43 AM MSTWinter Weather AdvisoryUNR9 hr
Feb 20, 1:55 PM MSTWinter Storm WarningUNR63 hr
Feb 23, 12:44 AM MSTWind Chill AdvisoryUNR10 hr
Feb 23, 1:48 PM MSTWind Chill AdvisoryUNR19 hr
Mar 6, 2:54 AM MSTWinter Weather AdvisoryUNR39 hr
Mar 7, 1:09 PM MSTWinter Storm WatchUNR13 hr
Mar 8, 2:19 AM MSTWinter Weather AdvisoryUNR35 hr
Mar 13, 1:31 PM MDTHigh Wind WatchUNR24 hr
Mar 14, 1:05 PM MDTHigh Wind WarningUNR23 hr
Mar 21, 2:12 PM MDTWinter Weather AdvisoryUNR37 hr
Mar 30, 2:14 PM MDTWinter Weather AdvisoryUNR28 hr
Apr 1, 2:24 PM MDTWinter Storm WatchUNR24 hr
Apr 2, 2:03 PM MDTBlizzard WarningUNR59 hr
Apr 2, 2:03 PM MDTWinter Storm WarningUNR59 hr
Apr 4, 1:57 AM MDTWinter Weather AdvisoryUNR34 hr
Apr 18, 4:46 PM MDTMesoscale DiscussionSPC2 hr
Apr 18, 5:40 PM MDTSpecial Weather StatementUNR35 min
May 7, 1:52 PM MDTMesoscale DiscussionSPC3 hr
May 7, 3:58 PM MDTSevere Thunderstorm WarningUNR47 min
May 7, 4:38 PM MDTSevere Thunderstorm WarningUNR37 min
May 10, 2:02 PM MDTMesoscale DiscussionSPC88 min
May 10, 5:34 PM MDTSevere Thunderstorm WarningUNR56 min
May 22, 4:21 PM MDTSpecial Weather StatementUNR39 min
May 22, 4:34 PM MDTSevere Thunderstorm WarningUNR44 min
May 22, 5:41 PM MDTSpecial Weather StatementUNR64 min
May 22, 6:27 PM MDTSpecial Weather StatementUNR48 min
May 23, 4:43 PM MDTSpecial Weather StatementUNR47 min
May 23, 4:51 PM MDTSevere Thunderstorm WarningUNR54 min
May 23, 5:57 PM MDTSpecial Weather StatementUNR48 min
May 25, 4:00 PM MDTSpecial Weather StatementUNR45 min
May 25, 5:21 PM MDTFlash Flood WarningUNR3 hr
May 25, 8:24 PM MDTFlash Flood WarningUNR3 hr
May 25, 11:02 PM MDTAreal Flood AdvisoryUNR9 hr
May 26, 2:42 PM MDTMesoscale DiscussionSPC2 hr
May 26, 4:26 PM MDTSevere Thunderstorm WatchSPC6 hr
May 26, 4:30 PM MDTSevere Thunderstorm WarningUNR45 min
May 26, 6:15 PM MDTSpecial Weather StatementUNR30 min
May 26, 7:31 PM MDTSpecial Weather StatementUNR44 min
May 26, 7:36 PM MDTSpecial Weather StatementUNR24 min
May 26, 8:13 PM MDTSpecial Weather StatementUNR47 min
May 27, 1:12 PM MDTMesoscale DiscussionSPC3 hr
May 27, 2:01 PM MDTSevere Thunderstorm WatchSPC7 hr
May 27, 2:42 PM MDTSevere Thunderstorm WarningUNR63 min
May 27, 2:59 PM MDTSevere Thunderstorm WarningUNR61 min
May 27, 3:24 PM MDTSevere Thunderstorm WarningUNR36 min
May 27, 3:44 PM MDTSevere Thunderstorm WarningUNR61 min
May 27, 3:58 PM MDTSevere Thunderstorm WarningUNR42 min
May 27, 4:21 PM MDTSevere Thunderstorm WarningUNR25 min
May 27, 4:37 PM MDTSevere Thunderstorm WarningUNR25 min
May 27, 4:48 PM MDTMesoscale DiscussionSPC87 min
May 27, 5:46 PM MDTSevere Thunderstorm WarningUNR44 min
May 30, 1:47 PM MDTSevere Thunderstorm WarningUNR25 min
Jun 1, 2:21 PM MDTSpecial Weather StatementUNR39 min
Jun 2, 2:17 PM MDTSpecial Weather StatementUNR28 min
Jun 2, 2:28 PM MDTSpecial Weather StatementUNR32 min
Jun 8, 1:23 PM MDTSpecial Weather StatementUNR37 min
Jun 20, 12:53 PM MDTMesoscale DiscussionSPC97 min
Jun 20, 7:58 PM MDTSevere Thunderstorm WatchSPC4 hr
Jun 20, 8:28 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR62 min
Jun 20, 8:53 PM MDTSevere Thunderstorm WarningUNR53 min
Jun 20, 9:24 PM MDTSevere Thunderstorm WarningUNR36 min
Jun 21, 9:19 PM MDTSpecial Weather StatementUNR26 min
Jun 23, 1:28 PM MDTMesoscale DiscussionSPC2 hr
Jun 23, 2:22 PM MDTTornado WatchSPC9 hr
Jun 23, 3:43 PM MDTSpecial Weather StatementUNR47 min
Jun 23, 5:17 PM MDTSpecial Weather StatementUNR58 min
Jun 23, 5:52 PM MDTSevere Thunderstorm WarningUNR53 min
Jun 23, 5:59 PM MDTMesoscale DiscussionSPC91 min
Jun 23, 6:42 PM MDTSevere Thunderstorm WarningUNR63 min
Jun 26, 2:24 PM MDTMesoscale DiscussionSPC3 hr
Jun 26, 6:07 PM MDTSevere Thunderstorm WatchSPC6 hr
Jun 27, 12:58 PM MDTSevere Thunderstorm WarningUNR62 min
Jun 27, 1:21 PM MDTSevere Thunderstorm WatchSPC9 hr
Jun 27, 2:32 PM MDTSpecial Weather StatementUNR28 min
Jun 27, 2:58 PM MDTSevere Thunderstorm WarningUNR38 min
Jun 27, 3:38 PM MDTSpecial Weather StatementUNR37 min
Jun 27, 3:42 PM MDTSpecial Weather StatementUNR33 min
Jun 27, 4:32 PM MDTMesoscale DiscussionSPC88 min
Jun 28, 1:21 PM MDTMesoscale DiscussionSPC84 min
Jun 28, 1:56 PM MDTSevere Thunderstorm WatchSPC7 hr
Jun 28, 5:51 PM MDTSevere Thunderstorm WarningUNR69 min
Jun 28, 7:06 PM MDTSpecial Weather StatementUNR24 min
Jun 28, 7:21 PM MDTSevere Thunderstorm WarningUNR45 min
Jun 28, 7:31 PM MDTSpecial Weather StatementUNR29 min
Jun 28, 7:59 PM MDTMesoscale DiscussionSPC91 min
Jun 28, 9:02 PM MDTSpecial Weather StatementUNR28 min
Jul 3, 2:47 PM MDTMesoscale DiscussionSPC58 min
Jul 3, 3:03 PM MDTSevere Thunderstorm WatchSPC11 hr
Jul 3, 7:43 PM MDTMesoscale DiscussionSPC92 min
Jul 3, 8:25 PM MDTSevere Thunderstorm WarningUNR65 min
Jul 3, 9:23 PM MDTSevere Thunderstorm WarningUNR36 min
Jul 3, 9:36 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR54 min
Jul 3, 9:38 PM MDTMesoscale DiscussionSPC97 min
Jul 6, 1:53 PM MDTMesoscale DiscussionSPC2 hr
Jul 6, 2:20 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 6, 5:27 PM MDTSpecial Weather StatementUNR33 min
Jul 6, 7:23 PM MDTMesoscale DiscussionSPC2 hr
Jul 11, 5:10 AM MDTSpecial Weather StatementUNR35 min
Jul 11, 5:20 AM MDTSevere Thunderstorm WarningUNR55 min
Jul 11, 6:08 AM MDTSevere Thunderstorm Warning Considerable damage threatUNR67 min
Jul 11, 1:04 PM MDTMesoscale DiscussionSPC116 min
Jul 11, 2:43 PM MDTSevere Thunderstorm WatchSPC8 hr
Jul 11, 6:27 PM MDTMesoscale DiscussionSPC93 min
Jul 11, 7:22 PM MDTSevere Thunderstorm Warning Destructive damage threatUNR53 min
Jul 11, 8:08 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR67 min
Jul 11, 8:51 PM MDTSevere Thunderstorm WarningUNR24 min
Jul 11, 9:07 PM MDTSevere Thunderstorm WarningUNR53 min
Jul 11, 9:45 PM MDTSevere Thunderstorm WarningUNR45 min
Jul 11, 10:22 PM MDTSevere Thunderstorm WarningUNR38 min
Jul 17, 4:48 PM MDTMesoscale DiscussionSPC57 min
Jul 17, 5:00 PM MDTSevere Thunderstorm WarningUNR60 min
Jul 17, 5:17 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 17, 5:59 PM MDTSpecial Weather StatementUNR31 min
Jul 17, 6:04 PM MDTSevere Thunderstorm WarningUNR56 min
Jul 17, 6:55 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR55 min
Jul 17, 7:38 PM MDTMesoscale DiscussionSPC2 hr
Jul 18, 4:43 AM MDTSpecial Weather StatementUNR32 min
Jul 24, 9:22 PM MDTSpecial Weather StatementUNR38 min
Jul 28, 11:06 PM MDTSevere Thunderstorm WarningUNR54 min
Jul 28, 11:54 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR30 min
Jul 30, 1:25 PM MDTMesoscale DiscussionSPC2 hr
Jul 30, 1:56 PM MDTSevere Thunderstorm WatchSPC10 hr
Jul 30, 3:34 PM MDTSevere Thunderstorm WarningUNR56 min
Jul 30, 4:34 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR56 min
Jul 30, 5:29 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR61 min
Jul 30, 6:20 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR55 min
Jul 31, 4:49 PM MDTSpecial Weather StatementUNR41 min
Jul 31, 5:18 PM MDTSevere Thunderstorm WarningUNR22 min
Jul 31, 6:32 PM MDTSpecial Weather StatementUNR43 min
Aug 2, 2:03 PM MDTFlood WatchUNR72 hr
Aug 12, 4:36 PM MDTSpecial Weather StatementUNR24 min
Aug 12, 4:40 PM MDTSpecial Weather StatementUNR35 min
Aug 12, 5:01 PM MDTSpecial Weather StatementUNR29 min
Aug 12, 5:20 PM MDTSevere Thunderstorm WarningUNR55 min
Aug 22, 7:33 PM MDTSpecial Weather StatementUNR42 min
Aug 22, 8:11 PM MDTSpecial Weather StatementUNR49 min
Sep 4, 12:45 PM MDTMesoscale DiscussionSPC3 hr
Sep 4, 1:45 PM MDTSpecial Weather StatementUNR30 min
Sep 4, 2:00 PM MDTSevere Thunderstorm WarningUNR60 min
Sep 4, 2:05 PM MDTSevere Thunderstorm WatchSPC6 hr
Sep 4, 2:20 PM MDTSpecial Weather StatementUNR40 min
Sep 9, 4:19 PM MDTMesoscale DiscussionSPC86 min
Sep 9, 5:13 PM MDTSpecial Weather StatementUNR32 min
Sep 9, 5:49 PM MDTSpecial Weather StatementUNR26 min
Sep 9, 6:00 PM MDTSevere Thunderstorm WatchSPC8 hr
Sep 9, 7:49 PM MDTMesoscale DiscussionSPC56 min
Sep 10, 2:51 PM MDTSpecial Weather StatementUNR54 min
Sep 10, 4:02 PM MDTSpecial Weather StatementUNR43 min
Sep 10, 4:45 PM MDTSpecial Weather StatementUNR45 min
Sep 10, 5:00 PM MDTSevere Thunderstorm WarningUNR37 min
Sep 22, 1:36 PM MDTSevere Thunderstorm WatchSPC7 hr
Sep 29, 1:00 AM MDTSpecial Weather StatementUNR45 min
Oct 5, 1:46 AM MDTFreeze WatchUNR12 hr
Oct 5, 1:46 AM MDTFreeze WatchUNR33 hr
Oct 5, 1:20 PM MDTFreeze WarningUNR19 hr
Oct 6, 2:03 AM MDTFreeze WarningUNR30 hr
Oct 10, 2:50 AM MDTWinter Storm WatchUNR35 hr
Oct 11, 1:38 PM MDTWinter Weather AdvisoryUNR26 hr
Oct 25, 1:56 PM MDTWinter Weather AdvisoryUNR32 hr
Dec 22, 1:49 PM MSTWinter Weather AdvisoryUNR50 hr
Dec 25, 2:05 AM MSTWinter Storm WatchUNR12 hr
Dec 25, 2:05 AM MSTWinter Storm WarningUNR42 hr
Dec 25, 1:43 PM MSTWinter Weather AdvisoryUNR36 hr
Dec 31, 2:40 PM MSTDense Fog AdvisoryUNR15 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 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. Warning verification from the Mesonet's Cow. Rebuilt daily.