Alert archive / Wyoming / 2009
Weather alerts in Wyoming, May 2009
22 weather alerts in May 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in May 2009. Tap one for its archive.
- Alerts
- 22
- Warnings
- 9
- Watches
- 4
- Advisories
- 6
- Busiest day
- May 23, 20094 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 | Counties | Lasted |
|---|---|---|---|---|
| May 2, 1:12 PM MDT | Dense Fog Advisory | CYS | 12 hr | |
| May 7, 11:51 AM MDT | Flood Watch | CYS | 45 hr | |
| May 11, 11:49 AM MDT | Flood Watch | CYS | 22 hr | |
| May 12, 1:51 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 39 min |
| May 12, 2:22 PM MDT | High Wind Warning | UNR | 29 hr | |
| May 12, 2:34 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 43 min |
| May 17, 8:40 AM MDT | Flood Watch | CYS | 71 hr | |
| May 20, 2:01 PM MDT | Mesoscale Discussion | SPC | Laramie | 89 min |
| May 20, 3:55 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 65 min |
| May 20, 3:59 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 32 min |
| May 22, 7:51 AM MDT | Dense Fog Advisory | RIW | Natrona | 2 hr |
| May 22, 2:54 PM MDT | Flood Watch | CYS | 5 days | |
| May 22, 6:06 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 39 min |
| May 22, 6:29 PM MDT | Mesoscale Discussion | SPC | Goshen, Laramie | 2 hr |
| May 22, 7:27 PM MDT | Areal Flood Advisory | CYS | Goshen, Laramie, Platte | 3 hr |
| May 22, 7:50 PM MDT | Areal Flood Advisory | CYS | Laramie | 3 hr |
| May 24, 1:58 PM MDT | Areal Flood Advisory | CYS | Platte | 3 hr |
| May 24, 5:53 PM MDT | Areal Flood Advisory | UNR | Crook, Weston | 5 hr |
| May 30, 3:08 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 24 min |
| May 30, 4:18 PM MDT | Mesoscale Discussion | SPC | Albany, Converse, Goshen, Laramie, Platte | 87 min |
| May 30, 5:26 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 28 min |
| May 31, 12:17 PM MDT | River Flood Warning | RIW | Big Horn, Fremont | 18 days |
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 | 7 |
| Mesoscale Discussion | 3 |
| Flooding | |
| River Flood Warning | 1 |
| Flood Watch | 4 |
| Areal Flood Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
Nearby
Alerts in force nowTornadoes on recordThe 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.