Alert archive / Wyoming / Johnson County
Weather alerts in Johnson County, Wyoming, 2009
124 weather alerts in 2009, 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 2009. Tap one for its archive.
- Alerts
- 124
- Warnings
- 33
- Watches
- 16
- Advisories
- 19
- Busiest month
- July48 alerts
- Busiest day
- August 8, 20099 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, 11:57 AM MST | Winter Weather Advisory | RIW | 47 hr |
| Jan 6, 1:31 AM MST | Winter Weather Advisory | RIW | 40 hr |
| Jan 11, 1:57 PM MST | Winter Weather Advisory | RIW | 21 hr |
| Jan 23, 2:08 PM MST | Winter Storm Watch | RIW | 13 hr |
| Feb 17, 2:39 AM MST | Winter Weather Advisory | RIW | 45 hr |
| Feb 20, 1:16 AM MST | Winter Weather Advisory | RIW | 13 hr |
| Feb 25, 2:21 PM MST | Winter Weather Advisory | RIW | 12 hr |
| Mar 7, 3:27 PM MST | Winter Storm Watch | RIW | 23 hr |
| Mar 8, 3:54 PM MDT | Winter Storm Warning | RIW | 35 hr |
| Mar 9, 8:49 PM MDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 21, 3:07 PM MDT | Blizzard Watch | RIW | 24 hr |
| Mar 21, 3:07 PM MDT | Winter Storm Watch | RIW | 24 hr |
| Mar 22, 3:12 PM MDT | Blizzard Warning | RIW | 33 hr |
| Mar 22, 3:12 PM MDT | Winter Storm Warning | RIW | 33 hr |
| Mar 23, 3:59 AM MDT | Mesoscale Discussion | SPC | 6 hr |
| Mar 25, 3:29 AM MDT | Winter Weather Advisory | RIW | 39 hr |
| Mar 28, 2:53 AM MDT | Blizzard Watch | RIW | 24 hr |
| Mar 28, 2:53 AM MDT | Winter Storm Watch | RIW | 34 hr |
| Mar 28, 9:41 PM MDT | Winter Storm Warning | RIW | 41 hr |
| Mar 29, 3:21 AM MDT | Blizzard Warning | RIW | 36 hr |
| Mar 29, 9:03 PM MDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 2, 12:41 AM MDT | Winter Storm Watch | RIW | 25 hr |
| Apr 2, 1:08 PM MDT | Winter Storm Warning | RIW | 53 hr |
| Apr 23, 8:54 PM MDT | Winter Weather Advisory | RIW | 18 hr |
| Jun 5, 9:06 PM MDT | Severe Thunderstorm Warning | RIW | 39 min |
| Jun 6, 9:44 AM MDT | Mesoscale Discussion | SPC | 91 min |
| Jun 6, 2:30 PM MDT | Winter Weather Advisory | RIW | 25 hr |
| Jun 7, 3:40 PM MDT | Freeze Warning | RIW | 17 hr |
| Jun 14, 8:21 PM MDT | Severe Thunderstorm Warning | RIW | 39 min |
| Jun 20, 8:51 PM MDT | Severe Thunderstorm Warning | RIW | 24 min |
| Jun 30, 1:08 PM MDT | Special Weather Statement | RIW | 22 min |
| Jul 1, 7:53 PM MDT | Special Weather Statement | RIW | 37 min |
| Jul 2, 11:41 AM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 2, 1:07 PM MDT | Special Weather Statement | RIW | 38 min |
| Jul 2, 1:39 PM MDT | Special Weather Statement | RIW | 51 min |
| Jul 2, 2:17 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 2, 6:29 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jul 2, 11:03 PM MDT | Special Weather Statement | RIW | 57 min |
| Jul 3, 4:11 PM MDT | Special Weather Statement | RIW | 49 min |
| Jul 6, 4:40 PM MDT | Mesoscale Discussion | SPC | 35 min |
| Jul 6, 5:00 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 6, 5:12 PM MDT | Special Weather Statement | RIW | 48 min |
| Jul 6, 5:14 PM MDT | Special Weather Statement | RIW | 46 min |
| Jul 6, 5:45 PM MDT | Special Weather Statement | RIW | 60 min |
| Jul 6, 5:59 PM MDT | Severe Thunderstorm Warning | RIW | 46 min |
| Jul 6, 6:26 PM MDT | Severe Thunderstorm Warning | RIW | 49 min |
| Jul 6, 6:41 PM MDT | Severe Thunderstorm Warning | RIW | 49 min |
| Jul 6, 7:35 PM MDT | Mesoscale Discussion | SPC | 55 min |
| Jul 6, 7:42 PM MDT | Areal Flood Advisory | RIW | 3 hr |
| Jul 7, 8:15 PM MDT | Special Weather Statement | RIW | 45 min |
| Jul 7, 8:25 PM MDT | Severe Thunderstorm Warning | RIW | 50 min |
| Jul 7, 9:12 PM MDT | Special Weather Statement | RIW | 48 min |
| Jul 12, 12:53 PM MDT | Special Weather Statement | RIW | 37 min |
| Jul 12, 1:05 PM MDT | Special Weather Statement | RIW | 40 min |
| Jul 12, 1:28 PM MDT | Special Weather Statement | RIW | 47 min |
| Jul 12, 1:35 PM MDT | Flash Flood Warning | RIW | 115 min |
| Jul 12, 1:57 PM MDT | Severe Thunderstorm Warning | RIW | 63 min |
| Jul 12, 2:05 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jul 12, 3:30 PM MDT | Flash Flood Warning | RIW | 2 hr |
| Jul 12, 3:51 PM MDT | Special Weather Statement | RIW | 24 min |
| Jul 12, 7:02 PM MDT | Special Weather Statement | RIW | 58 min |
| Jul 12, 7:19 PM MDT | Severe Thunderstorm Warning | RIW | 41 min |
| Jul 13, 1:18 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jul 13, 3:45 PM MDT | Special Weather Statement | RIW | 30 min |
| Jul 13, 4:16 PM MDT | Severe Thunderstorm Warning | RIW | 44 min |
| Jul 15, 9:40 PM MDT | Special Weather Statement | RIW | 50 min |
| Jul 15, 10:01 PM MDT | Special Weather Statement | RIW | 44 min |
| Jul 20, 1:33 PM MDT | Special Weather Statement | RIW | 42 min |
| Jul 20, 1:47 PM MDT | Severe Thunderstorm Warning | RIW | 49 min |
| Jul 20, 2:08 PM MDT | Areal Flood Advisory | RIW | 112 min |
| Jul 20, 2:25 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 20, 2:38 PM MDT | Special Weather Statement | RIW | 52 min |
| Jul 26, 2:37 PM MDT | Special Weather Statement | RIW | 38 min |
| Jul 26, 3:26 PM MDT | Special Weather Statement | RIW | 49 min |
| Jul 26, 6:53 PM MDT | Special Weather Statement | RIW | 52 min |
| Jul 27, 1:22 PM MDT | Special Weather Statement | RIW | 38 min |
| Jul 27, 2:01 PM MDT | Special Weather Statement | RIW | 44 min |
| Jul 27, 2:46 PM MDT | Severe Thunderstorm Warning | RIW | 22 min |
| Jul 27, 4:46 PM MDT | Special Weather Statement | RIW | 89 min |
| Aug 2, 7:18 PM MDT | Special Weather Statement | RIW | 57 min |
| Aug 4, 3:53 PM MDT | Special Weather Statement | RIW | 52 min |
| Aug 4, 5:00 PM MDT | Severe Thunderstorm Warning | RIW | 15 min |
| Aug 7, 2:38 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 7, 3:45 PM MDT | Special Weather Statement | RIW | 45 min |
| Aug 7, 4:27 PM MDT | Special Weather Statement | RIW | 48 min |
| Aug 7, 5:55 PM MDT | Mesoscale Discussion | SPC | 95 min |
| Aug 7, 10:09 PM MDT | Special Weather Statement | RIW | 36 min |
| Aug 7, 10:17 PM MDT | Severe Thunderstorm Warning | RIW | 58 min |
| Aug 7, 10:28 PM MDT | Tornado Warning | RIW | 49 min |
| Aug 7, 11:01 PM MDT | Severe Thunderstorm Warning | RIW | 44 min |
| Aug 7, 11:45 PM MDT | Special Weather Statement | RIW | 45 min |
| Aug 8, 12:39 AM MDT | Special Weather Statement | RIW | 51 min |
| Aug 8, 1:18 AM MDT | Severe Thunderstorm Warning | RIW | 42 min |
| Aug 8, 1:40 PM MDT | Special Weather Statement | RIW | 50 min |
| Aug 8, 2:46 PM MDT | Special Weather Statement | RIW | 44 min |
| Aug 14, 5:17 PM MDT | Special Weather Statement | RIW | 28 min |
| Aug 14, 6:37 PM MDT | Special Weather Statement | RIW | 53 min |
| Aug 15, 3:09 AM MDT | Winter Weather Advisory | RIW | 12 hr |
| Aug 16, 6:05 PM MDT | Special Weather Statement | RIW | 55 min |
| Aug 16, 6:26 PM MDT | Special Weather Statement | RIW | 64 min |
| Sep 4, 3:37 PM MDT | Fire Weather Watch | BYZ | 37 hr |
| Sep 6, 4:46 AM MDT | Red Flag Warning | BYZ | 16 hr |
| Sep 7, 8:45 PM MDT | Special Weather Statement | RIW | 60 min |
| Sep 7, 9:39 PM MDT | Special Weather Statement | RIW | 51 min |
| Sep 15, 3:27 PM MDT | Special Weather Statement | RIW | 63 min |
| Sep 15, 4:15 PM MDT | Special Weather Statement | RIW | 60 min |
| Sep 20, 2:39 PM MDT | High Wind Warning | RIW | 12 hr |
| Sep 20, 9:40 PM MDT | Freeze Watch | RIW | 17 hr |
| Sep 21, 2:53 PM MDT | Freeze Warning | RIW | 18 hr |
| Sep 27, 1:57 PM MDT | Freeze Warning | RIW | 20 hr |
| Sep 28, 2:18 PM MDT | Red Flag Warning | BYZ | 31 hr |
| Sep 29, 2:46 AM MDT | Red Flag Warning | RIW | 18 hr |
| Sep 30, 2:57 AM MDT | Winter Storm Watch | RIW | 9 hr |
| Sep 30, 2:57 AM MDT | Winter Weather Advisory | RIW | 29 hr |
| Oct 1, 2:33 AM MDT | Freeze Watch | RIW | 13 hr |
| Oct 1, 3:36 PM MDT | Freeze Warning | RIW | 17 hr |
| Oct 3, 2:01 AM MDT | Winter Storm Watch | RIW | 29 hr |
| Oct 4, 3:55 AM MDT | Winter Weather Advisory | RIW | 38 hr |
| Oct 4, 6:31 PM MDT | Mesoscale Discussion | SPC | 6 hr |
| Oct 7, 2:42 PM MDT | Winter Weather Advisory | RIW | 18 hr |
| Oct 8, 2:37 PM MDT | Winter Weather Advisory | RIW | 33 hr |
| Dec 12, 10:07 AM MST | Winter Weather Advisory | RIW | 40 hr |
| Dec 22, 10:08 PM MST | Winter Weather Advisory | RIW | 25 hr |
| Dec 25, 2:40 AM MST | Winter Weather Advisory | RIW | 36 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 | 1 |
| Severe Thunderstorm Watch | 4 |
| Mesoscale Discussion | 12 |
| Special Weather Statement | 44 |
| Flooding | |
| Flash Flood Warning | 2 |
| Areal Flood Advisory | 2 |
| Winter | |
| Blizzard Warning | 2 |
| Winter Storm Warning | 4 |
| Blizzard Watch | 2 |
| Winter Storm Watch | 7 |
| Winter Weather Advisory | 17 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.