Alert archive / Utah / Mesoscale Discussions
Mesoscale Discussions in Utah, 2009
17 mesoscale discussions 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Mesoscale Discussions
- 17
- Busiest month
- June5 mesoscale discussions
- Busiest day
- September 14, 20093 mesoscale discussions
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 |
|---|---|---|---|---|
| Feb 9, 5:42 AM MST | Mesoscale Discussion | SPC | Beaver, Iron, Washington | 4 hr |
| May 3, 1:37 PM MDT | Mesoscale Discussion | SPC | Box Elder, Cache | 113 min |
| Jun 5, 11:30 AM MDT | Mesoscale Discussion | SPC | Box Elder, Tooele | 2 hr |
| Jun 20, 11:40 AM MDT | Mesoscale Discussion | SPC | Beaver, Juab, Millard, Tooele | 95 min |
| Jun 21, 12:06 PM MDT | Mesoscale Discussion | SPC | Box Elder, Cache, Davis, Tooele, Weber | 84 min |
| Jun 21, 1:28 PM MDT | Mesoscale Discussion | SPC | Carbon, Daggett, Duchesne, Emery, Grand, Sanpete and 5 more | 92 min |
| Jun 21, 6:50 PM MDT | Mesoscale Discussion | SPC | Cache, Morgan, Rich, Summit | 55 min |
| Jul 1, 4:52 PM MDT | Mesoscale Discussion | SPC | Box Elder | 53 min |
| Jul 3, 3:54 PM MDT | Mesoscale Discussion | SPC | Box Elder | 66 min |
| Jul 4, 5:03 PM MDT | Mesoscale Discussion | SPC | Box Elder | 57 min |
| Jul 28, 1:55 PM MDT | Mesoscale Discussion | SPC | Garfield, Iron, Kane, San Juan, Washington | 65 min |
| Aug 6, 2:16 PM MDT | Mesoscale Discussion | SPC | Carbon, Daggett, Duchesne, Summit, Wasatch | 59 min |
| Sep 14, 10:08 AM MDT | Mesoscale Discussion | SPC | Beaver, Garfield, Iron, Juab, Millard, Piute and 5 more | 2 hr |
| Sep 14, 2:48 PM MDT | Mesoscale Discussion | SPC | Beaver, Carbon, Davis, Duchesne, Emery, Garfield and 15 more | 87 min |
| Sep 14, 5:02 PM MDT | Mesoscale Discussion | SPC | Box Elder, Cache, Carbon, Davis, Duchesne, Emery and 10 more | 58 min |
| Sep 15, 12:46 PM MDT | Mesoscale Discussion | SPC | Carbon, Duchesne, Emery, Grand, San Juan, Sanpete and 2 more | 89 min |
| Dec 7, 12:00 PM MST | Mesoscale Discussion | SPC | Washington | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Box Elder County7
- Tooele County5
- Carbon County5
- Duchesne County5
- Sanpete County5
- Beaver County4
- Iron County4
- Cache County4
- Emery County4
- Sevier County4
- Summit County4
- Utah County4
- Wasatch County4
- Garfield County4
- Wayne County4
- Washington County3
- Juab County3
- Millard County3
- Davis County3
- Weber County3
- Morgan County3
- Piute County3
- Daggett County2
- Grand County2
- Uintah County2
- Kane County2
- San Juan County2
- Salt Lake County2
- Rich 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.