Alert archive / Wyoming / Natrona County
Weather alerts in Natrona County, Wyoming, 2022
108 weather alerts in 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Natrona County and its neighbors
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Alerts
- 108
- Warnings
- 28
- Watches
- 22
- Advisories
- 21
- Busiest month
- August25 alerts
- Busiest day
- August 6, 20226 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Natrona County, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 5 | 0 | 100% | 2 | 0% | |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Riverton, WY: severe thunderstorm warnings | 25 | 4 | 84% | 35 | 20% | 13 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, 3:05 AM MST | High Wind Watch | RIW | 35 hr |
| Jan 3, 3:01 PM MST | High Wind Warning | RIW | 23 hr |
| Jan 4, 2:33 PM MST | Winter Weather Advisory | RIW | 4 days |
| Jan 20, 2:01 PM MST | Winter Weather Advisory | RIW | 24 hr |
| Jan 30, 11:14 AM MST | High Wind Watch | RIW | 10 hr |
| Jan 30, 9:02 PM MST | High Wind Warning | RIW | 20 hr |
| Feb 10, 12:29 PM MST | Winter Weather Advisory | RIW | 29 hr |
| Feb 15, 3:02 AM MST | Winter Weather Advisory | RIW | 44 hr |
| Feb 19, 4:41 PM MST | Winter Weather Advisory | RIW | 60 hr |
| Feb 21, 7:23 PM MST | Wind Chill Advisory | RIW | 16 hr |
| Feb 23, 4:58 AM MST | Wind Chill Advisory | RIW | 29 hr |
| Mar 4, 3:33 AM MST | Winter Weather Advisory | RIW | 62 hr |
| Mar 7, 3:12 AM MST | Winter Weather Advisory | RIW | 60 hr |
| Mar 20, 12:28 PM MDT | Winter Weather Advisory | RIW | 20 hr |
| Apr 3, 3:24 AM MDT | High Wind Watch | RIW | 24 hr |
| Apr 3, 2:30 PM MDT | High Wind Warning | RIW | 3 days |
| Apr 9, 1:55 AM MDT | Winter Weather Advisory | RIW | 37 hr |
| Apr 10, 2:33 AM MDT | Winter Storm Watch | RIW | 25 hr |
| Apr 11, 3:58 AM MDT | Winter Storm Warning | RIW | 38 hr |
| Apr 20, 2:05 PM MDT | Winter Storm Watch | RIW | 37 hr |
| Apr 21, 2:32 PM MDT | Winter Weather Advisory | RIW | 51 hr |
| Apr 22, 2:49 AM MDT | Winter Storm Warning | RIW | 39 hr |
| Apr 28, 12:39 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| May 11, 2:22 AM MDT | High Wind Watch | RIW | 12 hr |
| May 11, 2:22 PM MDT | High Wind Warning | RIW | 28 hr |
| May 16, 4:57 PM MDT | Special Weather Statement | RIW | 33 min |
| May 16, 5:26 PM MDT | Special Weather Statement | RIW | 34 min |
| May 16, 6:49 PM MDT | Special Weather Statement | RIW | 26 min |
| May 17, 1:59 PM MDT | Mesoscale Discussion | SPC | 91 min |
| May 17, 2:44 PM MDT | Special Weather Statement | RIW | 31 min |
| May 17, 5:12 PM MDT | Special Weather Statement | RIW | 33 min |
| May 28, 2:37 AM MDT | Winter Storm Watch | RIW | 12 hr |
| May 28, 2:24 PM MDT | Winter Storm Warning | RIW | 70 hr |
| Jun 3, 6:13 PM MDT | Special Weather Statement | RIW | 32 min |
| Jun 3, 7:49 PM MDT | Special Weather Statement | RIW | 41 min |
| Jun 3, 8:06 PM MDT | Severe Thunderstorm Warning | RIW | 29 min |
| Jun 4, 3:19 PM MDT | Special Weather Statement | RIW | 41 min |
| Jun 4, 3:59 PM MDT | Special Weather Statement | RIW | 46 min |
| Jun 20, 3:06 PM MDT | Special Weather Statement | RIW | 24 min |
| Jun 20, 3:50 PM MDT | Special Weather Statement | RIW | 25 min |
| Jun 24, 3:17 PM MDT | Special Weather Statement | RIW | 28 min |
| Jun 24, 4:20 PM MDT | Severe Thunderstorm Warning | RIW | 25 min |
| Jul 1, 2:05 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jul 1, 4:35 PM MDT | Special Weather Statement | RIW | 40 min |
| Jul 3, 2:59 PM MDT | Special Weather Statement | RIW | 46 min |
| Jul 3, 8:55 PM MDT | Special Weather Statement | RIW | 20 min |
| Jul 20, 1:13 PM MDT | Fire Weather Watch | RIW | 25 hr |
| Jul 20, 1:13 PM MDT | Red Flag Warning | RIW | 55 hr |
| Aug 6, 1:52 PM MDT | Special Weather Statement | RIW | 38 min |
| Aug 6, 2:19 PM MDT | Severe Thunderstorm Warning | RIW | 41 min |
| Aug 6, 2:48 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Aug 6, 3:02 PM MDT | Severe Thunderstorm Warning | RIW | 43 min |
| Aug 6, 3:38 PM MDT | Severe Thunderstorm Warning | RIW | 21 min |
| Aug 6, 4:11 PM MDT | Special Weather Statement | RIW | 49 min |
| Aug 11, 3:32 PM MDT | Flood Watch | RIW | 3 days |
| Aug 11, 9:48 PM MDT | Special Weather Statement | RIW | 27 min |
| Aug 11, 10:49 PM MDT | Areal Flood Advisory | RIW | 3 hr |
| Aug 11, 11:01 PM MDT | Special Weather Statement | RIW | 29 min |
| Aug 11, 11:18 PM MDT | Areal Flood Advisory | RIW | 3 hr |
| Aug 12, 5:57 PM MDT | Areal Flood Advisory | RIW | 2 hr |
| Aug 12, 8:11 PM MDT | Areal Flood Advisory | RIW | 3 hr |
| Aug 17, 3:15 PM MDT | Special Weather Statement | RIW | 30 min |
| Aug 17, 3:44 PM MDT | Special Weather Statement | RIW | 31 min |
| Aug 17, 4:09 PM MDT | Special Weather Statement | RIW | 36 min |
| Aug 23, 1:08 PM MDT | Special Weather Statement | RIW | 22 min |
| Aug 24, 4:34 PM MDT | Special Weather Statement | RIW | 41 min |
| Aug 24, 5:16 PM MDT | Special Weather Statement | RIW | 44 min |
| Aug 24, 6:33 PM MDT | Special Weather Statement | RIW | 42 min |
| Aug 24, 7:14 PM MDT | Special Weather Statement | RIW | 46 min |
| Aug 25, 2:50 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 26, 4:58 AM MDT | Fire Weather Watch | RIW | 22 hr |
| Aug 26, 2:52 PM MDT | Special Weather Statement | RIW | 23 min |
| Aug 27, 2:39 AM MDT | Red Flag Warning | RIW | 17 hr |
| Sep 2, 2:44 PM MDT | Fire Weather Watch | RIW | 23 hr |
| Sep 3, 1:14 PM MDT | Red Flag Warning | RIW | 31 hr |
| Sep 6, 10:42 AM MDT | Fire Weather Watch | RIW | 28 hr |
| Sep 6, 10:42 AM MDT | Red Flag Warning | RIW | 57 hr |
| Sep 8, 1:49 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Sep 12, 1:36 PM MDT | Fire Weather Watch | RIW | 13 hr |
| Sep 13, 2:41 AM MDT | Red Flag Warning | RIW | 17 hr |
| Sep 18, 2:18 AM MDT | Fire Weather Watch | RIW | 11 hr |
| Sep 18, 1:13 PM MDT | Red Flag Warning | RIW | 31 hr |
| Sep 27, 1:13 AM MDT | Fire Weather Watch | RIW | 12 hr |
| Sep 27, 1:42 PM MDT | Red Flag Warning | RIW | 28 hr |
| Oct 19, 2:33 AM MDT | Fire Weather Watch | RIW | 11 hr |
| Oct 19, 1:45 PM MDT | Red Flag Warning | RIW | 54 hr |
| Oct 21, 2:43 AM MDT | High Wind Watch | RIW | 25 hr |
| Oct 21, 3:12 AM MDT | Winter Weather Advisory | RIW | 3 days |
| Oct 22, 4:05 AM MDT | High Wind Warning | RIW | 16 hr |
| Nov 2, 1:43 AM MDT | Winter Weather Advisory | RIW | 40 hr |
| Nov 4, 2:06 AM MDT | High Wind Warning | RIW | 42 hr |
| Nov 7, 2:58 AM MST | High Wind Warning | RIW | 14 hr |
| Nov 26, 6:16 AM MST | High Wind Watch | RIW | 8 hr |
| Nov 26, 1:52 PM MST | High Wind Warning | RIW | 39 hr |
| Nov 27, 1:26 AM MST | Winter Weather Advisory | RIW | 55 hr |
| Nov 30, 2:41 AM MST | High Wind Watch | RIW | 14 hr |
| Nov 30, 4:49 PM MST | High Wind Warning | RIW | 34 hr |
| Dec 10, 2:08 PM MST | Winter Storm Watch | RIW | 24 hr |
| Dec 10, 2:08 PM MST | Winter Weather Advisory | RIW | 3 days |
| Dec 11, 2:18 PM MST | Winter Storm Warning | RIW | 59 hr |
| Dec 14, 1:30 AM MST | Winter Weather Advisory | RIW | 40 hr |
| Dec 19, 3:10 AM MST | Wind Chill Watch | RIW | 34 hr |
| Dec 20, 1:07 PM MST | Wind Chill Warning | RIW | 70 hr |
| Dec 21, 9:04 AM MST | Mesoscale Discussion | SPC | 116 min |
| Dec 21, 11:05 AM MST | Mesoscale Discussion | SPC | 3 hr |
| Dec 21, 2:15 PM MST | Mesoscale Discussion | SPC | 3 hr |
| Dec 26, 2:10 AM MST | High Wind Watch | RIW | 12 hr |
| Dec 26, 2:08 PM MST | High Wind Warning | RIW | 32 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 | 5 |
| Mesoscale Discussion | 9 |
| Special Weather Statement | 28 |
| Flooding | |
| Flood Watch | 1 |
| Areal Flood Advisory | 4 |
| Winter | |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 15 |
| Cold | |
| Wind Chill Warning | 1 |
| Wind Chill Watch | 1 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 10 |
| High Wind Watch | 8 |
| Fire | |
| Red Flag Warning | 8 |
| Fire Weather Watch | 8 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20212023
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.