Alert archive / Wyoming / Johnson County / 2020
Weather alerts in Johnson County, Wyoming, September 2020
20 weather alerts in September 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 20
- Warnings
- 10
- Watches
- 9
- Advisories
- 1
- Busiest day
- September 23, 20203 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|
| Sep 1, 3:36 AM MDT | Red Flag Warning | RIW | 40 hr |
| Sep 3, 3:14 AM MDT | Fire Weather Watch | BYZ | 32 hr |
| Sep 3, 2:37 PM MDT | Fire Weather Watch | RIW | 44 hr |
| Sep 4, 11:14 AM MDT | Red Flag Warning | BYZ | 57 hr |
| Sep 4, 12:31 PM MDT | Red Flag Warning | RIW | 3 days |
| Sep 6, 12:33 PM MDT | Winter Storm Watch | RIW | 16 hr |
| Sep 7, 4:34 AM MDT | Winter Storm Warning | RIW | 37 hr |
| Sep 7, 4:34 AM MDT | Winter Weather Advisory | RIW | 37 hr |
| Sep 12, 2:46 AM MDT | Fire Weather Watch | BYZ | 24 hr |
| Sep 12, 1:44 PM MDT | Fire Weather Watch | RIW | 24 hr |
| Sep 13, 3:11 AM MDT | Red Flag Warning | BYZ | 42 hr |
| Sep 13, 1:18 PM MDT | Red Flag Warning | RIW | 32 hr |
| Sep 17, 2:15 PM MDT | Fire Weather Watch | RIW | 21 hr |
| Sep 17, 2:38 PM MDT | Fire Weather Watch | BYZ | 23 hr |
| Sep 18, 10:48 AM MDT | Red Flag Warning | RIW | 32 hr |
| Sep 18, 1:53 PM MDT | Red Flag Warning | BYZ | 31 hr |
| Sep 22, 1:46 PM MDT | Fire Weather Watch | BYZ | 24 hr |
| Sep 23, 2:43 AM MDT | Fire Weather Watch | RIW | 12 hr |
| Sep 23, 1:22 PM MDT | Red Flag Warning | BYZ | 31 hr |
| Sep 23, 2:21 PM MDT | Red Flag Warning | RIW | 53 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 1 |
| Fire | |
| Red Flag Warning | 9 |
| Fire Weather Watch | 8 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.