Alert archive / Wyoming / Flash Flood Warnings
Flash Flood Warnings in Wyoming, 2018
36 flash flood warnings in 2018. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Flash Flood Warnings
- 36
- Busiest month
- July14 flash flood warnings
- Busiest day
- May 27, 20185 flash flood warnings
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 | Counties | Lasted |
|---|---|---|---|---|
| May 14, 4:00 PM MDT | Flash Flood Warning | CYS | Laramie | 3 hr |
| May 17, 3:06 PM MDT | Flash Flood Warning | UNR | Weston | 5 hr |
| May 17, 7:56 PM MDT | Flash Flood Warning | UNR | Weston | 102 min |
| May 18, 11:58 PM MDT | Flash Flood Warning | CYS | Goshen | 6 hr |
| May 19, 8:01 AM MDT | Flash Flood Warning | CYS | Laramie | 3 hr |
| May 22, 7:42 PM MDT | Flash Flood Warning | RIW | Big Horn, Hot Springs, Park, Washakie | 3 hr |
| May 27, 11:19 AM MDT | Flash Flood Warning | RIW | Fremont | 3 hr |
| May 27, 12:01 PM MDT | Flash Flood Warning | RIW | Fremont | 3 hr |
| May 27, 12:54 PM MDT | Flash Flood Warning | RIW | Sweetwater | 3 hr |
| May 27, 1:01 PM MDT | Flash Flood Warning | RIW | Fremont | 3 hr |
| May 27, 4:47 PM MDT | Flash Flood Warning | CYS | Albany, Laramie | 3 hr |
| May 28, 3:33 PM MDT | Flash Flood Warning | RIW | Sweetwater | 2 hr |
| May 28, 6:03 PM MDT | Flash Flood Warning | CYS | Laramie | 3 hr |
| Jun 1, 11:53 AM MDT | Flash Flood Warning | RIW | Washakie | 2 hr |
| Jun 1, 1:08 PM MDT | Flash Flood Warning | RIW | Big Horn | 3 hr |
| Jun 6, 6:07 PM MDT | Flash Flood Warning | RIW | Johnson | 3 hr |
| Jun 6, 6:52 PM MDT | Flash Flood Warning | RIW | Hot Springs | 3 hr |
| Jun 6, 7:14 PM MDT | Flash Flood Warning | RIW | Washakie | 3 hr |
| Jun 6, 8:57 PM MDT | Flash Flood Warning | RIW | Johnson | 3 hr |
| Jun 17, 11:14 PM MDT | Flash Flood Warning | RIW | Fremont | 8 hr |
| Jun 19, 11:04 PM MDT | Flash Flood Warning | RIW | Hot Springs | 3 hr |
| Jul 5, 7:16 PM MDT | Flash Flood Warning | RIW | Washakie | 2 hr |
| Jul 5, 7:47 PM MDT | Flash Flood Warning | RIW | Washakie | 105 min |
| Jul 11, 2:28 PM MDT | Flash Flood Warning | RIW | Fremont | 4 hr |
| Jul 12, 12:42 PM MDT | Flash Flood Warning | CYS | Albany | 3 hr |
| Jul 13, 1:26 PM MDT | Flash Flood Warning | RIW | Johnson | 3 hr |
| Jul 17, 5:29 PM MDT | Flash Flood Warning | UNR | Crook | 3 hr |
| Jul 17, 6:50 PM MDT | Flash Flood Warning | UNR | Crook | 3 hr |
| Jul 17, 7:01 PM MDT | Flash Flood Warning | UNR | Campbell, Weston | 6 hr |
| Jul 21, 4:17 PM MDT | Flash Flood Warning | CYS | Laramie | 3 hr |
| Jul 22, 7:37 PM MDT | Flash Flood Warning | CYS | Albany | 3 hr |
| Jul 23, 12:56 PM MDT | Flash Flood Warning | CYS | Albany | 3 hr |
| Jul 25, 4:12 PM MDT | Flash Flood Warning | CYS | Laramie | 117 min |
| Jul 26, 6:14 PM MDT | Flash Flood Warning | CYS | Laramie | 76 min |
| Jul 29, 3:46 PM MDT | Flash Flood Warning | CYS | Laramie | 3 hr |
| Aug 7, 4:06 PM MDT | Flash Flood Warning | CYS | Laramie | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.