Alert archive / Utah / Heat Advisories
Heat Advisories in Utah, 2021
9 heat advisories in 2021. 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 heat advisories reaches back to 2005.
Heat Advisories by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Heat Advisories
- 9
- Busiest month
- July6 heat advisories
- Busiest day
- June 2, 20211 heat advisories
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 2, 2:30 PM MDT | Heat Advisory | SLC | Box Elder, Davis, Duchesne, Salt Lake, Sanpete, Sevier and 3 more | 61 hr |
| Jun 12, 3:03 PM MDT | Heat Advisory | SLC | Beaver, Box Elder, Cache, Duchesne, Garfield, Iron and 11 more | 7 days |
| Jun 13, 2:53 PM MDT | Heat Advisory | SLC | Box Elder, Davis, Salt Lake, Tooele, Utah, Weber | 6 days |
| Jul 3, 3:19 AM MDT | Heat Advisory | SLC | Box Elder, Cache, Davis, Salt Lake, Tooele, Utah and 1 more | 41 hr |
| Jul 5, 2:04 PM MDT | Heat Advisory | SLC | Beaver, Box Elder, Cache, Davis, Duchesne, Emery and 14 more | 48 hr |
| Jul 6, 2:20 PM MDT | Heat Advisory | GJT | Grand, San Juan, Uintah | 3 days |
| Jul 7, 1:34 PM MDT | Heat Advisory | SLC | Morgan, Summit, Wasatch, Weber | 56 hr |
| Jul 9, 2:43 PM MDT | Heat Advisory | SLC | Duchesne | 3 days |
| Jul 10, 3:19 AM MDT | Heat Advisory | GJT | San Juan | 17 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Weber County6
- Box Elder County5
- Davis County4
- Duchesne County4
- Salt Lake County4
- Tooele County4
- Utah County4
- Sanpete County3
- Sevier County3
- Cache County3
- San Juan County3
- Beaver County2
- Garfield County2
- Iron County2
- Juab County2
- Kane County2
- Millard County2
- Morgan County2
- Summit County2
- Wasatch County2
- Washington County2
- Piute County1
- Emery County1
- Wayne County1
- Grand County1
- Uintah County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.