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
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 48 | 39 | 19% | 41 | 90% | 24 min |
| Flash flood warnings | 2 | 0 | 100% | 0 |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Rapid City, SD: tornado warnings | 6 | 2 | 67% | 5 | 60% | 18 min |
| NWS Rapid City, SD: severe thunderstorm warnings | 331 | 236 | 29% | 532 | 82% | 24 min |
| NWS Rapid City, SD: flash flood warnings | 11 | 5 | 55% | 12 | 92% | 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 3, 8:31 PM MST | Dense Fog Advisory | UNR | 13 hr |
| Jan 17, 3:37 AM MST | Dense Fog Advisory | UNR | 8 hr |
| Jan 17, 5:09 PM MST | Dense Fog Advisory | UNR | 18 hr |
| Jan 24, 4:01 AM MST | Winter Storm Watch | UNR | 10 hr |
| Jan 24, 1:36 PM MST | Winter Storm Warning | UNR | 29 hr |
| Jan 24, 1:36 PM MST | Winter Weather Advisory | UNR | 29 hr |
| Jan 25, 1:49 PM MST | Winter Storm Watch | UNR | 13 hr |
| Jan 26, 2:59 AM MST | Winter Storm Watch | UNR | 23 hr |
| Jan 26, 2:59 AM MST | Winter Weather Advisory | UNR | 18 hr |
| Jan 26, 8:30 PM MST | Winter Weather Advisory | UNR | 49 hr |
| Jan 29, 12:35 PM MST | Wind Chill Advisory | UNR | 22 hr |
| Jan 29, 8:22 PM MST | Wind Chill Warning | UNR | 15 hr |
| Feb 5, 12:55 PM MST | Winter Weather Advisory | UNR | 26 hr |
| Feb 8, 1:41 PM MST | Winter Weather Advisory | UNR | 19 hr |
| Feb 13, 2:41 AM MST | Winter Storm Watch | UNR | 11 hr |
| Feb 13, 2:41 AM MST | Winter Weather Advisory | UNR | 50 hr |
| Feb 13, 1:32 PM MST | Winter Storm Warning | UNR | 33 hr |
| Feb 19, 1:00 PM MST | Winter Storm Watch | UNR | 25 hr |
| Feb 20, 7:43 AM MST | Winter Weather Advisory | UNR | 9 hr |
| Feb 20, 1:55 PM MST | Winter Storm Warning | UNR | 63 hr |
| Feb 23, 12:44 AM MST | Wind Chill Advisory | UNR | 10 hr |
| Feb 23, 1:48 PM MST | Wind Chill Advisory | UNR | 19 hr |
| Mar 6, 2:54 AM MST | Winter Weather Advisory | UNR | 39 hr |
| Mar 7, 1:09 PM MST | Winter Storm Watch | UNR | 13 hr |
| Mar 8, 2:19 AM MST | Winter Weather Advisory | UNR | 35 hr |
| Mar 13, 1:31 PM MDT | High Wind Watch | UNR | 24 hr |
| Mar 14, 1:05 PM MDT | High Wind Warning | UNR | 23 hr |
| Mar 21, 2:12 PM MDT | Winter Weather Advisory | UNR | 37 hr |
| Mar 30, 2:14 PM MDT | Winter Weather Advisory | UNR | 28 hr |
| Apr 1, 2:24 PM MDT | Winter Storm Watch | UNR | 24 hr |
| Apr 2, 2:03 PM MDT | Blizzard Warning | UNR | 59 hr |
| Apr 2, 2:03 PM MDT | Winter Storm Warning | UNR | 59 hr |
| Apr 4, 1:57 AM MDT | Winter Weather Advisory | UNR | 34 hr |
| Apr 18, 4:46 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 18, 5:40 PM MDT | Special Weather Statement | UNR | 35 min |
| May 7, 1:52 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| May 7, 3:58 PM MDT | Severe Thunderstorm Warning | UNR | 47 min |
| May 7, 4:38 PM MDT | Severe Thunderstorm Warning | UNR | 37 min |
| May 10, 2:02 PM MDT | Mesoscale Discussion | SPC | 88 min |
| May 10, 5:34 PM MDT | Severe Thunderstorm Warning | UNR | 56 min |
| May 22, 4:21 PM MDT | Special Weather Statement | UNR | 39 min |
| May 22, 4:34 PM MDT | Severe Thunderstorm Warning | UNR | 44 min |
| May 22, 5:41 PM MDT | Special Weather Statement | UNR | 64 min |
| May 22, 6:27 PM MDT | Special Weather Statement | UNR | 48 min |
| May 23, 4:43 PM MDT | Special Weather Statement | UNR | 47 min |
| May 23, 4:51 PM MDT | Severe Thunderstorm Warning | UNR | 54 min |
| May 23, 5:57 PM MDT | Special Weather Statement | UNR | 48 min |
| May 25, 4:00 PM MDT | Special Weather Statement | UNR | 45 min |
| May 25, 5:21 PM MDT | Flash Flood Warning | UNR | 3 hr |
| May 25, 8:24 PM MDT | Flash Flood Warning | UNR | 3 hr |
| May 25, 11:02 PM MDT | Areal Flood Advisory | UNR | 9 hr |
| May 26, 2:42 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 26, 4:26 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 26, 4:30 PM MDT | Severe Thunderstorm Warning | UNR | 45 min |
| May 26, 6:15 PM MDT | Special Weather Statement | UNR | 30 min |
| May 26, 7:31 PM MDT | Special Weather Statement | UNR | 44 min |
| May 26, 7:36 PM MDT | Special Weather Statement | UNR | 24 min |
| May 26, 8:13 PM MDT | Special Weather Statement | UNR | 47 min |
| May 27, 1:12 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| May 27, 2:01 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 27, 2:42 PM MDT | Severe Thunderstorm Warning | UNR | 63 min |
| May 27, 2:59 PM MDT | Severe Thunderstorm Warning | UNR | 61 min |
| May 27, 3:24 PM MDT | Severe Thunderstorm Warning | UNR | 36 min |
| May 27, 3:44 PM MDT | Severe Thunderstorm Warning | UNR | 61 min |
| May 27, 3:58 PM MDT | Severe Thunderstorm Warning | UNR | 42 min |
| May 27, 4:21 PM MDT | Severe Thunderstorm Warning | UNR | 25 min |
| May 27, 4:37 PM MDT | Severe Thunderstorm Warning | UNR | 25 min |
| May 27, 4:48 PM MDT | Mesoscale Discussion | SPC | 87 min |
| May 27, 5:46 PM MDT | Severe Thunderstorm Warning | UNR | 44 min |
| May 30, 1:47 PM MDT | Severe Thunderstorm Warning | UNR | 25 min |
| Jun 1, 2:21 PM MDT | Special Weather Statement | UNR | 39 min |
| Jun 2, 2:17 PM MDT | Special Weather Statement | UNR | 28 min |
| Jun 2, 2:28 PM MDT | Special Weather Statement | UNR | 32 min |
| Jun 8, 1:23 PM MDT | Special Weather Statement | UNR | 37 min |
| Jun 20, 12:53 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 20, 7:58 PM MDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 20, 8:28 PM MDT | Severe Thunderstorm Warning | UNR | 62 min |
| Jun 20, 8:53 PM MDT | Severe Thunderstorm Warning | UNR | 53 min |
| Jun 20, 9:24 PM MDT | Severe Thunderstorm Warning | UNR | 36 min |
| Jun 21, 9:19 PM MDT | Special Weather Statement | UNR | 26 min |
| Jun 23, 1:28 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 2:22 PM MDT | Tornado Watch | SPC | 9 hr |
| Jun 23, 3:43 PM MDT | Special Weather Statement | UNR | 47 min |
| Jun 23, 5:17 PM MDT | Special Weather Statement | UNR | 58 min |
| Jun 23, 5:52 PM MDT | Severe Thunderstorm Warning | UNR | 53 min |
| Jun 23, 5:59 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Jun 23, 6:42 PM MDT | Severe Thunderstorm Warning | UNR | 63 min |
| Jun 26, 2:24 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 26, 6:07 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 27, 12:58 PM MDT | Severe Thunderstorm Warning | UNR | 62 min |
| Jun 27, 1:21 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 27, 2:32 PM MDT | Special Weather Statement | UNR | 28 min |
| Jun 27, 2:58 PM MDT | Severe Thunderstorm Warning | UNR | 38 min |
| Jun 27, 3:38 PM MDT | Special Weather Statement | UNR | 37 min |
| Jun 27, 3:42 PM MDT | Special Weather Statement | UNR | 33 min |
| Jun 27, 4:32 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jun 28, 1:21 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Jun 28, 1:56 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 28, 5:51 PM MDT | Severe Thunderstorm Warning | UNR | 69 min |
| Jun 28, 7:06 PM MDT | Special Weather Statement | UNR | 24 min |
| Jun 28, 7:21 PM MDT | Severe Thunderstorm Warning | UNR | 45 min |
| Jun 28, 7:31 PM MDT | Special Weather Statement | UNR | 29 min |
| Jun 28, 7:59 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Jun 28, 9:02 PM MDT | Special Weather Statement | UNR | 28 min |
| Jul 3, 2:47 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jul 3, 3:03 PM MDT | Severe Thunderstorm Watch | SPC | 11 hr |
| Jul 3, 7:43 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Jul 3, 8:25 PM MDT | Severe Thunderstorm Warning | UNR | 65 min |
| Jul 3, 9:23 PM MDT | Severe Thunderstorm Warning | UNR | 36 min |
| Jul 3, 9:36 PM MDT | Severe Thunderstorm Warning | UNR | 54 min |
| Jul 3, 9:38 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jul 6, 1:53 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 2:20 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 6, 5:27 PM MDT | Special Weather Statement | UNR | 33 min |
| Jul 6, 7:23 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 11, 5:10 AM MDT | Special Weather Statement | UNR | 35 min |
| Jul 11, 5:20 AM MDT | Severe Thunderstorm Warning | UNR | 55 min |
| Jul 11, 6:08 AM MDT | Severe Thunderstorm Warning | UNR | 67 min |
| Jul 11, 1:04 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Jul 11, 2:43 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 11, 6:27 PM MDT | Mesoscale Discussion | SPC | 93 min |
| Jul 11, 7:22 PM MDT | Severe Thunderstorm Warning | UNR | 53 min |
| Jul 11, 8:08 PM MDT | Severe Thunderstorm Warning | UNR | 67 min |
| Jul 11, 8:51 PM MDT | Severe Thunderstorm Warning | UNR | 24 min |
| Jul 11, 9:07 PM MDT | Severe Thunderstorm Warning | UNR | 53 min |
| Jul 11, 9:45 PM MDT | Severe Thunderstorm Warning | UNR | 45 min |
| Jul 11, 10:22 PM MDT | Severe Thunderstorm Warning | UNR | 38 min |
| Jul 17, 4:48 PM MDT | Mesoscale Discussion | SPC | 57 min |
| Jul 17, 5:00 PM MDT | Severe Thunderstorm Warning | UNR | 60 min |
| Jul 17, 5:17 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 17, 5:59 PM MDT | Special Weather Statement | UNR | 31 min |
| Jul 17, 6:04 PM MDT | Severe Thunderstorm Warning | UNR | 56 min |
| Jul 17, 6:55 PM MDT | Severe Thunderstorm Warning | UNR | 55 min |
| Jul 17, 7:38 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 18, 4:43 AM MDT | Special Weather Statement | UNR | 32 min |
| Jul 24, 9:22 PM MDT | Special Weather Statement | UNR | 38 min |
| Jul 28, 11:06 PM MDT | Severe Thunderstorm Warning | UNR | 54 min |
| Jul 28, 11:54 PM MDT | Severe Thunderstorm Warning | UNR | 30 min |
| Jul 30, 1:25 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 1:56 PM MDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 30, 3:34 PM MDT | Severe Thunderstorm Warning | UNR | 56 min |
| Jul 30, 4:34 PM MDT | Severe Thunderstorm Warning | UNR | 56 min |
| Jul 30, 5:29 PM MDT | Severe Thunderstorm Warning | UNR | 61 min |
| Jul 30, 6:20 PM MDT | Severe Thunderstorm Warning | UNR | 55 min |
| Jul 31, 4:49 PM MDT | Special Weather Statement | UNR | 41 min |
| Jul 31, 5:18 PM MDT | Severe Thunderstorm Warning | UNR | 22 min |
| Jul 31, 6:32 PM MDT | Special Weather Statement | UNR | 43 min |
| Aug 2, 2:03 PM MDT | Flood Watch | UNR | 72 hr |
| Aug 12, 4:36 PM MDT | Special Weather Statement | UNR | 24 min |
| Aug 12, 4:40 PM MDT | Special Weather Statement | UNR | 35 min |
| Aug 12, 5:01 PM MDT | Special Weather Statement | UNR | 29 min |
| Aug 12, 5:20 PM MDT | Severe Thunderstorm Warning | UNR | 55 min |
| Aug 22, 7:33 PM MDT | Special Weather Statement | UNR | 42 min |
| Aug 22, 8:11 PM MDT | Special Weather Statement | UNR | 49 min |
| Sep 4, 12:45 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 4, 1:45 PM MDT | Special Weather Statement | UNR | 30 min |
| Sep 4, 2:00 PM MDT | Severe Thunderstorm Warning | UNR | 60 min |
| Sep 4, 2:05 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 4, 2:20 PM MDT | Special Weather Statement | UNR | 40 min |
| Sep 9, 4:19 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Sep 9, 5:13 PM MDT | Special Weather Statement | UNR | 32 min |
| Sep 9, 5:49 PM MDT | Special Weather Statement | UNR | 26 min |
| Sep 9, 6:00 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 9, 7:49 PM MDT | Mesoscale Discussion | SPC | 56 min |
| Sep 10, 2:51 PM MDT | Special Weather Statement | UNR | 54 min |
| Sep 10, 4:02 PM MDT | Special Weather Statement | UNR | 43 min |
| Sep 10, 4:45 PM MDT | Special Weather Statement | UNR | 45 min |
| Sep 10, 5:00 PM MDT | Severe Thunderstorm Warning | UNR | 37 min |
| Sep 22, 1:36 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 29, 1:00 AM MDT | Special Weather Statement | UNR | 45 min |
| Oct 5, 1:46 AM MDT | Freeze Watch | UNR | 12 hr |
| Oct 5, 1:46 AM MDT | Freeze Watch | UNR | 33 hr |
| Oct 5, 1:20 PM MDT | Freeze Warning | UNR | 19 hr |
| Oct 6, 2:03 AM MDT | Freeze Warning | UNR | 30 hr |
| Oct 10, 2:50 AM MDT | Winter Storm Watch | UNR | 35 hr |
| Oct 11, 1:38 PM MDT | Winter Weather Advisory | UNR | 26 hr |
| Oct 25, 1:56 PM MDT | Winter Weather Advisory | UNR | 32 hr |
| Dec 22, 1:49 PM MST | Winter Weather Advisory | UNR | 50 hr |
| Dec 25, 2:05 AM MST | Winter Storm Watch | UNR | 12 hr |
| Dec 25, 2:05 AM MST | Winter Storm Warning | UNR | 42 hr |
| Dec 25, 1:43 PM MST | Winter Weather Advisory | UNR | 36 hr |
| Dec 31, 2:40 PM MST | Dense Fog Advisory | UNR | 15 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 48 |
| Severe Thunderstorm Watch | 14 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 26 |
| Special Weather Statement | 44 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flood Watch | 1 |
| Areal Flood Advisory | 1 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 9 |
| Winter Weather Advisory | 16 |
| Cold | |
| Freeze Warning | 2 |
| Wind Chill Warning | 1 |
| Freeze Watch | 2 |
| Wind Chill Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
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.