Alert archive / Utah / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Utah, 2009
2 severe thunderstorm watches in 2009. 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Severe Thunderstorm Watches
- 2
- Busiest month
- June1 severe thunderstorm watches
- Busiest day
- June 21, 20091 severe thunderstorm watches
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 |
|---|---|---|---|---|
| Jun 21, 2:41 PM MDT | Severe Thunderstorm Watch | SPC | Box Elder, Cache, Carbon, Davis, Duchesne, Morgan and 7 more | 5 hr |
| Sep 14, 11:17 AM MDT | Severe Thunderstorm Watch | SPC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 17 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Box Elder County2
- Cache County2
- Carbon County2
- Davis County2
- Duchesne County2
- Morgan County2
- Rich County2
- Salt Lake County2
- Summit County2
- Tooele County2
- Utah County2
- Wasatch County2
- Weber County2
- Beaver County1
- Emery County1
- Garfield County1
- Iron County1
- Juab County1
- Millard County1
- Piute County1
- Sanpete County1
- Sevier County1
- Wayne County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Warning verification from the Mesonet's Cow. Rebuilt daily.