Alert archive / Wyoming / Johnson County
Weather alerts in Johnson County, Wyoming, 2021
127 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Johnson County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 127
- Warnings
- 46
- Watches
- 32
- Advisories
- 17
- Busiest month
- July24 alerts
- Busiest day
- May 20, 20219 alerts
Over time
By month
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 12, 2:21 AM MST | High Wind Watch | RIW | 24 hr |
| Jan 13, 2:50 AM MST | High Wind Warning | RIW | 38 hr |
| Jan 17, 9:56 AM MST | Winter Weather Advisory | RIW | 28 hr |
| Feb 4, 2:10 AM MST | Winter Weather Advisory | RIW | 45 hr |
| Feb 6, 2:29 AM MST | Winter Weather Advisory | RIW | 39 hr |
| Feb 11, 2:35 AM MST | Wind Chill Advisory | RIW | 18 hr |
| Feb 13, 2:43 AM MST | Wind Chill Warning | RIW | 32 hr |
| Feb 13, 2:43 AM MST | Wind Chill Advisory | RIW | 40 hr |
| Feb 20, 12:32 PM MST | High Wind Warning | RIW | 3 days |
| Feb 27, 12:46 AM MST | Winter Weather Advisory | RIW | 18 hr |
| Mar 8, 3:50 AM MST | Winter Storm Watch | RIW | 23 hr |
| Mar 9, 3:09 AM MST | Winter Storm Warning | RIW | 38 hr |
| Mar 9, 3:09 AM MST | Winter Weather Advisory | RIW | 38 hr |
| Mar 11, 1:29 PM MST | Winter Storm Watch | RIW | 24 hr |
| Mar 12, 1:39 PM MST | Winter Storm Warning | RIW | 54 hr |
| Mar 12, 1:39 PM MST | Winter Weather Advisory | RIW | 22 hr |
| Mar 13, 11:23 AM MST | Winter Weather Advisory | RIW | 33 hr |
| Mar 27, 3:11 AM MDT | High Wind Watch | RIW | 33 hr |
| Mar 28, 1:44 AM MDT | High Wind Warning | RIW | 40 hr |
| Apr 5, 2:51 AM MDT | Winter Weather Advisory | RIW | 36 hr |
| Apr 9, 5:10 PM MDT | High Wind Watch | RIW | 18 hr |
| Apr 10, 11:16 AM MDT | High Wind Warning | RIW | 15 hr |
| Apr 13, 3:37 PM MDT | Winter Storm Watch | RIW | 13 hr |
| Apr 13, 3:37 PM MDT | Winter Weather Advisory | RIW | 68 hr |
| Apr 17, 2:30 AM MDT | Winter Storm Watch | RIW | 25 hr |
| Apr 18, 3:15 AM MDT | Winter Storm Warning | RIW | 42 hr |
| Apr 18, 3:15 AM MDT | Winter Weather Advisory | RIW | 42 hr |
| Apr 25, 3:04 AM MDT | Winter Weather Advisory | RIW | 57 hr |
| May 19, 9:43 PM MDT | Special Weather Statement | RIW | 32 min |
| May 19, 9:58 PM MDT | Special Weather Statement | RIW | 32 min |
| May 19, 10:34 PM MDT | Special Weather Statement | RIW | 26 min |
| May 19, 11:07 PM MDT | Special Weather Statement | RIW | 23 min |
| May 20, 2:23 PM MDT | Special Weather Statement | RIW | 22 min |
| May 20, 2:58 PM MDT | Special Weather Statement | RIW | 32 min |
| May 20, 3:16 PM MDT | Severe Thunderstorm Warning | RIW | 30 min |
| May 20, 3:49 PM MDT | Severe Thunderstorm Warning | RIW | 29 min |
| May 20, 5:22 PM MDT | Special Weather Statement | RIW | 23 min |
| May 22, 1:20 PM MDT | High Wind Watch | RIW | 13 hr |
| May 22, 1:20 PM MDT | High Wind Warning | RIW | 31 hr |
| May 26, 12:46 PM MDT | Special Weather Statement | RIW | 29 min |
| May 26, 1:53 PM MDT | Special Weather Statement | RIW | 37 min |
| May 26, 2:30 PM MDT | Special Weather Statement | RIW | 30 min |
| May 26, 4:11 PM MDT | Special Weather Statement | RIW | 34 min |
| Jun 4, 8:24 AM MDT | Flood Watch | RIW | 3 days |
| Jun 9, 2:29 AM MDT | High Wind Watch | RIW | 12 hr |
| Jun 9, 2:29 PM MDT | High Wind Warning | RIW | 33 hr |
| Jun 14, 1:24 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 15, 3:13 AM MDT | Red Flag Warning | RIW | 17 hr |
| Jun 18, 2:10 AM MDT | Fire Weather Watch | RIW | 13 hr |
| Jun 18, 2:49 PM MDT | Red Flag Warning | RIW | 29 hr |
| Jun 23, 4:37 PM MDT | Special Weather Statement | RIW | 23 min |
| Jun 24, 12:51 PM MDT | Special Weather Statement | RIW | 24 min |
| Jun 24, 1:09 PM MDT | Areal Flood Advisory | RIW | 3 hr |
| Jun 24, 1:57 PM MDT | Special Weather Statement | RIW | 33 min |
| Jun 24, 2:53 PM MDT | Special Weather Statement | RIW | 37 min |
| Jul 1, 3:09 PM MDT | Special Weather Statement | RIW | 51 min |
| Jul 1, 4:28 PM MDT | Areal Flood Advisory | RIW | 3 hr |
| Jul 2, 3:07 PM MDT | Special Weather Statement | RIW | 23 min |
| Jul 6, 2:37 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jul 7, 1:32 PM MDT | Red Flag Warning | RIW | 55 hr |
| Jul 7, 4:02 PM MDT | Special Weather Statement | RIW | 13 min |
| Jul 9, 2:20 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jul 9, 5:12 PM MDT | Severe Thunderstorm Warning | RIW | 48 min |
| Jul 9, 5:43 PM MDT | Special Weather Statement | RIW | 32 min |
| Jul 9, 6:35 PM MDT | Severe Thunderstorm Warning | RIW | 25 min |
| Jul 12, 3:35 AM MDT | Fire Weather Watch | RIW | 11 hr |
| Jul 12, 2:06 PM MDT | Red Flag Warning | RIW | 33 hr |
| Jul 13, 2:21 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Jul 13, 4:25 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 15, 3:02 PM MDT | Special Weather Statement | RIW | 28 min |
| Jul 15, 3:33 PM MDT | Red Flag Warning | RIW | 29 hr |
| Jul 16, 4:52 PM MDT | Special Weather Statement | RIW | 23 min |
| Jul 19, 1:28 PM MDT | Red Flag Warning | RIW | 32 hr |
| Jul 29, 6:29 PM MDT | Special Weather Statement | RIW | 31 min |
| Jul 29, 6:58 PM MDT | Special Weather Statement | RIW | 32 min |
| Jul 29, 7:35 PM MDT | Special Weather Statement | RIW | 25 min |
| Jul 29, 8:00 PM MDT | Special Weather Statement | RIW | 30 min |
| Jul 29, 8:06 PM MDT | Areal Flood Advisory | RIW | 3 hr |
| Jul 30, 8:45 PM MDT | Special Weather Statement | RIW | 30 min |
| Aug 6, 1:43 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 6, 5:54 PM MDT | Special Weather Statement | RIW | 36 min |
| Aug 7, 3:06 AM MDT | Fire Weather Watch | BYZ | 11 hr |
| Aug 7, 2:26 PM MDT | Red Flag Warning | BYZ | 34 hr |
| Aug 9, 2:58 AM MDT | Fire Weather Watch | BYZ | 10 hr |
| Aug 9, 1:17 PM MDT | Red Flag Warning | RIW | 31 hr |
| Aug 16, 2:24 AM MDT | Fire Weather Watch | RIW | 11 hr |
| Aug 16, 1:24 PM MDT | Red Flag Warning | BYZ | 35 hr |
| Aug 16, 1:50 PM MDT | Red Flag Warning | RIW | 31 hr |
| Aug 22, 12:38 PM MDT | Red Flag Warning | RIW | 31 hr |
| Aug 24, 2:53 AM MDT | Fire Weather Watch | RIW | 10 hr |
| Aug 24, 12:56 PM MDT | Red Flag Warning | RIW | 31 hr |
| Aug 26, 3:14 AM MDT | Fire Weather Watch | RIW | 23 hr |
| Aug 26, 3:14 AM MDT | Red Flag Warning | RIW | 65 hr |
| Sep 2, 10:56 PM MDT | Special Weather Statement | RIW | 19 min |
| Sep 4, 2:20 PM MDT | Fire Weather Watch | BYZ | 24 hr |
| Sep 5, 2:13 AM MDT | Fire Weather Watch | RIW | 24 hr |
| Sep 5, 1:49 PM MDT | Red Flag Warning | RIW | 30 hr |
| Sep 5, 2:29 PM MDT | Red Flag Warning | BYZ | 30 hr |
| Sep 9, 2:52 AM MDT | Fire Weather Watch | RIW | 23 hr |
| Sep 10, 1:51 AM MDT | Red Flag Warning | RIW | 18 hr |
| Sep 14, 1:36 AM MDT | Fire Weather Watch | RIW | 12 hr |
| Sep 14, 1:04 PM MDT | Red Flag Warning | BYZ | 31 hr |
| Sep 14, 1:14 PM MDT | Red Flag Warning | RIW | 55 hr |
| Sep 16, 1:53 PM MDT | Red Flag Warning | BYZ | 55 hr |
| Sep 16, 1:59 PM MDT | Red Flag Warning | RIW | 54 hr |
| Sep 27, 1:50 AM MDT | Fire Weather Watch | BYZ | 12 hr |
| Sep 27, 2:05 AM MDT | Fire Weather Watch | RIW | 12 hr |
| Sep 27, 1:37 PM MDT | Red Flag Warning | RIW | 28 hr |
| Sep 27, 2:06 PM MDT | Red Flag Warning | BYZ | 31 hr |
| Oct 3, 2:17 AM MDT | Fire Weather Watch | RIW | 11 hr |
| Oct 3, 1:23 PM MDT | Red Flag Warning | RIW | 30 hr |
| Oct 9, 3:42 PM MDT | Winter Storm Watch | RIW | 24 hr |
| Oct 10, 4:03 PM MDT | Winter Storm Warning | RIW | 68 hr |
| Oct 17, 2:32 PM MDT | Winter Storm Watch | RIW | 24 hr |
| Oct 18, 3:53 AM MDT | Winter Storm Warning | RIW | 43 hr |
| Nov 15, 3:58 AM MST | High Wind Warning | RIW | 40 hr |
| Nov 18, 2:44 AM MST | Red Flag Warning | RIW | 14 hr |
| Nov 22, 3:23 PM MST | Fire Weather Watch | RIW | 12 hr |
| Nov 23, 3:00 AM MST | Red Flag Warning | RIW | 13 hr |
| Dec 3, 9:11 AM MST | High Wind Warning | RIW | 54 hr |
| Dec 3, 10:26 AM MST | High Wind Watch | RIW | 22 hr |
| Dec 8, 2:20 AM MST | Winter Weather Advisory | RIW | 57 hr |
| Dec 12, 7:13 PM MST | High Wind Watch | RIW | 25 hr |
| Dec 13, 2:28 AM MST | High Wind Warning | RIW | 42 hr |
| Dec 22, 3:17 AM MST | High Wind Watch | RIW | 22 hr |
| Dec 23, 1:16 AM MST | High Wind Warning | RIW | 19 hr |
| Dec 25, 1:52 PM MST | High Wind Warning | RIW | 29 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 | 4 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 28 |
| Flooding | |
| Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 6 |
| Winter Weather Advisory | 12 |
| Cold | |
| Wind Chill Warning | 1 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 11 |
| High Wind Watch | 8 |
| Fire | |
| Red Flag Warning | 25 |
| Fire Weather Watch | 15 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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. Rebuilt daily.