Alert archive / Wyoming / Johnson County
Weather alerts in Johnson County, Wyoming, 2017
143 weather alerts in 2017, 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 2017. Tap one for its archive.
- Alerts
- 143
- Warnings
- 43
- Watches
- 15
- Advisories
- 27
- Busiest month
- June54 alerts
- Busiest day
- June 13, 201720 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 1, 3:04 PM MST | Winter Weather Advisory | RIW | 22 hr |
| Jan 5, 1:18 PM MST | Wind Chill Warning | RIW | 21 hr |
| Jan 10, 10:35 AM MST | Winter Weather Advisory | RIW | 35 hr |
| Jan 30, 3:16 PM MST | Winter Weather Advisory | RIW | 3 days |
| Feb 9, 8:16 PM MST | Areal Flood Advisory | RIW | 24 hr |
| Feb 19, 2:10 PM MST | High Wind Warning | RIW | 69 hr |
| Feb 21, 3:48 PM MST | Winter Storm Watch | RIW | 23 hr |
| Feb 22, 2:49 PM MST | Winter Storm Warning | RIW | 44 hr |
| Feb 22, 2:49 PM MST | Winter Weather Advisory | RIW | 44 hr |
| Mar 5, 12:55 PM MST | High Wind Warning | RIW | 25 hr |
| Mar 16, 9:26 AM MDT | Fire Weather Watch | RIW | 170 days |
| Mar 18, 1:32 AM MDT | Red Flag Warning | RIW | 17 hr |
| Mar 22, 12:45 AM MDT | Winter Weather Advisory | RIW | 45 hr |
| Mar 25, 2:00 AM MDT | Winter Weather Advisory | RIW | 28 hr |
| Mar 27, 2:10 AM MDT | Winter Weather Advisory | RIW | 36 hr |
| Mar 30, 12:38 PM MDT | Winter Weather Advisory | RIW | 33 hr |
| Apr 2, 12:13 PM MDT | Winter Weather Advisory | RIW | 18 hr |
| Apr 7, 1:48 PM MDT | Winter Weather Advisory | RIW | 58 hr |
| Apr 18, 2:10 PM MDT | Winter Weather Advisory | RIW | 23 hr |
| Apr 19, 3:34 PM MDT | Winter Storm Watch | RIW | 8 hr |
| Apr 19, 11:07 PM MDT | Winter Storm Warning | RIW | 52 hr |
| Apr 23, 10:01 PM MDT | Winter Weather Advisory | RIW | 43 hr |
| Apr 25, 6:35 AM MDT | Winter Storm Warning | RIW | 11 hr |
| Apr 25, 9:25 PM MDT | Winter Weather Advisory | RIW | 3 days |
| Apr 26, 2:57 PM MDT | Winter Storm Watch | RIW | 11 hr |
| Apr 27, 1:32 AM MDT | Winter Storm Warning | RIW | 44 hr |
| May 6, 5:48 PM MDT | Special Weather Statement | RIW | 87 min |
| May 7, 5:35 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 7, 6:50 PM MDT | Special Weather Statement | RIW | 40 min |
| May 7, 7:40 PM MDT | Special Weather Statement | RIW | 50 min |
| May 15, 5:43 PM MDT | Special Weather Statement | RIW | 32 min |
| May 15, 5:48 PM MDT | Severe Thunderstorm Warning | RIW | 27 min |
| May 15, 5:53 PM MDT | Special Weather Statement | RIW | 52 min |
| May 15, 6:16 PM MDT | Special Weather Statement | RIW | 14 min |
| May 16, 12:56 AM MDT | Winter Storm Watch | RIW | 23 hr |
| May 16, 9:13 AM MDT | Flood Watch | RIW | 54 hr |
| May 16, 10:05 PM MDT | Winter Weather Advisory | RIW | 56 hr |
| May 17, 12:23 AM MDT | Winter Storm Warning | RIW | 54 hr |
| May 17, 1:33 PM MDT | Special Weather Statement | RIW | 27 min |
| May 17, 2:25 PM MDT | Special Weather Statement | RIW | 35 min |
| May 17, 2:27 PM MDT | Special Weather Statement | RIW | 33 min |
| May 17, 11:39 PM MDT | Areal Flood Advisory | RIW | 12 hr |
| May 25, 8:34 PM MDT | Winter Weather Advisory | RIW | 28 hr |
| May 28, 2:54 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Jun 1, 8:09 PM MDT | Special Weather Statement | RIW | 21 min |
| Jun 1, 8:25 PM MDT | Special Weather Statement | RIW | 35 min |
| Jun 1, 8:57 PM MDT | Special Weather Statement | RIW | 33 min |
| Jun 1, 9:09 PM MDT | Special Weather Statement | RIW | 36 min |
| Jun 1, 9:27 PM MDT | Special Weather Statement | RIW | 48 min |
| Jun 4, 6:45 PM MDT | Special Weather Statement | RIW | 90 min |
| Jun 5, 4:26 PM MDT | Special Weather Statement | RIW | 49 min |
| Jun 5, 4:30 PM MDT | Severe Thunderstorm Warning | RIW | 45 min |
| Jun 5, 4:56 PM MDT | Severe Thunderstorm Warning | RIW | 64 min |
| Jun 5, 5:57 PM MDT | Special Weather Statement | RIW | 48 min |
| Jun 5, 6:44 PM MDT | Special Weather Statement | RIW | 46 min |
| Jun 7, 4:02 PM MDT | Special Weather Statement | RIW | 43 min |
| Jun 11, 9:47 PM MDT | Special Weather Statement | RIW | 43 min |
| Jun 11, 10:01 PM MDT | Severe Thunderstorm Warning | RIW | 27 min |
| Jun 11, 11:46 PM MDT | Special Weather Statement | RIW | 44 min |
| Jun 12, 2:17 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jun 12, 2:45 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 12, 3:21 PM MDT | Special Weather Statement | RIW | 24 min |
| Jun 12, 3:27 PM MDT | Severe Thunderstorm Warning | RIW | 33 min |
| Jun 12, 4:04 PM MDT | Special Weather Statement | RIW | 26 min |
| Jun 12, 4:52 PM MDT | Severe Thunderstorm Warning | RIW | 23 min |
| Jun 12, 4:58 PM MDT | Tornado Warning | RIW | 32 min |
| Jun 12, 5:23 PM MDT | Tornado Warning | RIW | 37 min |
| Jun 12, 6:00 PM MDT | Tornado Warning | RIW | 30 min |
| Jun 12, 6:00 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jun 12, 6:32 PM MDT | Tornado Warning | RIW | 28 min |
| Jun 12, 6:45 PM MDT | Special Weather Statement | RIW | 30 min |
| Jun 12, 6:56 PM MDT | Severe Thunderstorm Warning | RIW | 34 min |
| Jun 12, 7:02 PM MDT | Severe Thunderstorm Warning | RIW | 43 min |
| Jun 12, 7:07 PM MDT | Severe Thunderstorm Warning | RIW | 53 min |
| Jun 12, 7:12 PM MDT | Special Weather Statement | RIW | 33 min |
| Jun 12, 7:16 PM MDT | Areal Flood Advisory | RIW | 4 hr |
| Jun 12, 7:18 PM MDT | Severe Thunderstorm Warning | RIW | 27 min |
| Jun 12, 7:34 PM MDT | Severe Thunderstorm Warning | RIW | 19 min |
| Jun 12, 7:44 PM MDT | Severe Thunderstorm Warning | RIW | 46 min |
| Jun 12, 8:02 PM MDT | Special Weather Statement | RIW | 28 min |
| Jun 12, 8:03 PM MDT | Special Weather Statement | RIW | 27 min |
| Jun 12, 8:31 PM MDT | Special Weather Statement | RIW | 29 min |
| Jun 12, 8:47 PM MDT | Flash Flood Warning | RIW | 4 hr |
| Jun 12, 8:52 PM MDT | Flash Flood Warning | RIW | 4 hr |
| Jun 12, 8:57 PM MDT | Special Weather Statement | RIW | 33 min |
| Jun 12, 9:27 PM MDT | Special Weather Statement | RIW | 33 min |
| Jun 13, 12:22 AM MDT | Flash Flood Warning | RIW | 4 hr |
| Jun 27, 1:21 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Jun 27, 2:14 PM MDT | Severe Thunderstorm Warning | RIW | 46 min |
| Jun 27, 3:33 PM MDT | Special Weather Statement | RIW | 27 min |
| Jun 27, 4:04 PM MDT | Special Weather Statement | RIW | 26 min |
| Jun 27, 4:28 PM MDT | Special Weather Statement | RIW | 32 min |
| Jun 28, 12:39 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 28, 4:08 PM MDT | Special Weather Statement | RIW | 22 min |
| Jun 28, 4:39 PM MDT | Special Weather Statement | RIW | 36 min |
| Jun 28, 5:04 PM MDT | Special Weather Statement | RIW | 56 min |
| Jun 29, 12:36 PM MDT | Special Weather Statement | RIW | 24 min |
| Jun 29, 1:02 PM MDT | Special Weather Statement | RIW | 28 min |
| Jul 6, 4:49 PM MDT | Special Weather Statement | RIW | 26 min |
| Jul 6, 5:02 PM MDT | Special Weather Statement | RIW | 28 min |
| Jul 12, 3:41 PM MDT | Special Weather Statement | RIW | 34 min |
| Jul 12, 3:59 PM MDT | Severe Thunderstorm Warning | RIW | 46 min |
| Jul 12, 4:42 PM MDT | Severe Thunderstorm Warning | RIW | 48 min |
| Jul 27, 7:55 PM MDT | Special Weather Statement | RIW | 65 min |
| Jul 27, 8:04 PM MDT | Special Weather Statement | RIW | 41 min |
| Jul 27, 8:19 PM MDT | Special Weather Statement | RIW | 41 min |
| Jul 27, 9:02 PM MDT | Special Weather Statement | RIW | 43 min |
| Aug 1, 6:21 PM MDT | Special Weather Statement | RIW | 39 min |
| Aug 1, 6:33 PM MDT | Severe Thunderstorm Warning | RIW | 20 min |
| Aug 1, 6:57 PM MDT | Special Weather Statement | RIW | 33 min |
| Aug 4, 9:09 PM MDT | Special Weather Statement | RIW | 36 min |
| Aug 14, 2:38 PM MDT | Special Weather Statement | RIW | 52 min |
| Sep 1, 2:29 PM MDT | Fire Weather Watch | BYZ | 24 hr |
| Sep 2, 2:50 PM MDT | Red Flag Warning | BYZ | 54 hr |
| Sep 2, 8:20 PM MDT | Red Flag Warning | RIW | 25 hr |
| Sep 13, 3:21 PM MDT | Winter Storm Watch | RIW | 24 hr |
| Sep 14, 3:35 PM MDT | Winter Storm Warning | RIW | 43 hr |
| Sep 15, 10:34 PM MDT | Freeze Watch | RIW | 16 hr |
| Sep 16, 2:33 PM MDT | Freeze Warning | RIW | 18 hr |
| Sep 23, 2:17 PM MDT | Winter Weather Advisory | RIW | 34 hr |
| Oct 2, 2:11 PM MDT | Freeze Warning | RIW | 19 hr |
| Oct 6, 1:19 AM MDT | Special Weather Statement | RIW | 26 min |
| Oct 6, 1:45 AM MDT | Special Weather Statement | RIW | 30 min |
| Oct 6, 2:47 AM MDT | Special Weather Statement | RIW | 28 min |
| Oct 18, 8:46 AM MDT | Fire Weather Watch | RIW | 17 hr |
| Oct 19, 1:47 AM MDT | Red Flag Warning | RIW | 17 hr |
| Oct 21, 2:11 PM MDT | High Wind Warning | RIW | 36 hr |
| Oct 22, 2:14 AM MDT | High Wind Watch | RIW | 15 hr |
| Oct 24, 1:44 AM MDT | Fire Weather Watch | RIW | 23 hr |
| Oct 25, 9:39 AM MDT | High Wind Watch | RIW | 3 hr |
| Oct 25, 12:38 PM MDT | High Wind Warning | RIW | 23 hr |
| Oct 31, 2:27 AM MDT | Winter Storm Watch | RIW | 25 hr |
| Oct 31, 3:00 PM MDT | Winter Storm Warning | RIW | 46 hr |
| Nov 1, 3:45 AM MDT | Winter Weather Advisory | RIW | 34 hr |
| Nov 6, 7:54 AM MST | Dense Fog Advisory | RIW | 3 hr |
| Nov 15, 12:57 AM MST | High Wind Warning | RIW | 46 hr |
| Dec 2, 1:39 PM MST | Winter Weather Advisory | RIW | 45 hr |
| Dec 5, 9:25 PM MST | High Wind Warning | RIW | 17 hr |
| Dec 15, 12:55 PM MST | Winter Weather Advisory | RIW | 37 hr |
| Dec 21, 3:32 PM MST | Winter Weather Advisory | RIW | 51 hr |
| Dec 28, 12:17 PM MST | Winter Weather Advisory | RIW | 48 hr |
| Dec 30, 12:35 PM MST | Wind Advisory | RIW | 16 min |
| Dec 30, 12:55 PM MST | Wind Chill Advisory | RIW | 19 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 | 16 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 6 |
| Special Weather Statement | 52 |
| Flooding | |
| Flash Flood Warning | 3 |
| Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 7 |
| Winter Storm Watch | 6 |
| Winter Weather Advisory | 21 |
| Cold | |
| Freeze Warning | 2 |
| Wind Chill Warning | 1 |
| Freeze Watch | 1 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 6 |
| High Wind Watch | 2 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 4 |
| Fire Weather Watch | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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.