Alert archive / Utah / 2020
Weather alerts in Utah, August 2020
70 weather alerts in August 2020, 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 August 2020. Tap one for its archive.
- Alerts
- 70
- Warnings
- 22
- Watches
- 14
- Advisories
- 3
- Busiest day
- August 25, 20207 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 |
|---|---|---|---|---|
| Aug 2, 2:10 PM MDT | Red Flag Warning | SLC | Beaver, Cache, Garfield, Iron, Kane, Morgan and 9 more | 32 hr |
| Aug 3, 2:25 PM MDT | Fire Weather Watch | SLC | Beaver, Garfield, Iron, Juab, Kane, Millard and 6 more | 13 hr |
| Aug 4, 2:45 AM MDT | Fire Weather Watch | GJT | Grand | 12 hr |
| Aug 4, 2:45 AM MDT | Fire Weather Watch | GJT | Daggett, Grand, Uintah | 12 hr |
| Aug 4, 3:21 AM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 20 more | 66 hr |
| Aug 4, 2:31 PM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 53 hr |
| Aug 6, 3:10 AM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 41 hr |
| Aug 7, 2:11 AM MDT | Red Flag Warning | SLC | Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 6 more | 19 hr |
| Aug 8, 2:29 PM MDT | Red Flag Warning | SLC | Cache, Morgan, Rich, Salt Lake, Summit, Utah and 2 more | 55 hr |
| Aug 10, 3:21 AM MDT | Fire Weather Watch | SLC | Beaver, Garfield, Iron, Kane, San Juan, Washington and 1 more | 11 hr |
| Aug 10, 2:14 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 20 more | 3 days |
| Aug 10, 2:40 PM MDT | Red Flag Warning | GJT | Grand, San Juan | 29 hr |
| Aug 11, 3:04 AM MDT | Fire Weather Watch | GJT | Grand | 11 hr |
| Aug 11, 3:15 AM MDT | Fire Weather Watch | SLC | Cache, Carbon, Duchesne, Emery, Juab, Millard and 9 more | 12 hr |
| Aug 11, 2:05 PM MDT | Red Flag Warning | GJT | Grand, San Juan, Uintah | 30 hr |
| Aug 12, 2:35 PM MDT | Excessive Heat Watch | SLC | 25 hr | |
| Aug 12, 2:41 PM MDT | Red Flag Warning | GJT | Daggett, Uintah | 29 hr |
| Aug 13, 3:35 PM MDT | Excessive Heat Watch | SLC | 22 hr | |
| Aug 13, 3:35 PM MDT | Excessive Heat Warning | SLC | 8 days | |
| Aug 14, 2:01 PM MDT | Heat Advisory | SLC | 5 days | |
| Aug 18, 9:12 AM MDT | Heat Advisory | GJT | Grand, San Juan, Uintah | 36 hr |
| Aug 18, 3:20 PM MDT | Fire Weather Watch | SLC | Beaver, Cache, Carbon, Duchesne, Emery, Garfield and 15 more | 23 hr |
| Aug 19, 12:23 PM MDT | Fire Weather Watch | GJT | Daggett, Grand, Uintah | 15 hr |
| Aug 19, 2:36 PM MDT | Fire Weather Watch | SLC | Carbon, Duchesne, Emery | 14 hr |
| Aug 19, 2:36 PM MDT | Red Flag Warning | SLC | Beaver, Cache, Carbon, Duchesne, Emery, Garfield and 15 more | 30 hr |
| Aug 19, 4:20 PM MDT | Special Weather Statement | SLC | Box Elder | 25 min |
| Aug 19, 5:09 PM MDT | Special Weather Statement | SLC | Tooele | 51 min |
| Aug 19, 6:24 PM MDT | Special Weather Statement | SLC | Tooele | 51 min |
| Aug 19, 7:10 PM MDT | Special Weather Statement | SLC | Davis | 50 min |
| Aug 19, 8:11 PM MDT | Special Weather Statement | SLC | Box Elder | 49 min |
| Aug 20, 3:15 AM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 18 hr |
| Aug 20, 2:36 PM MDT | Special Weather Statement | RIW | Daggett | 24 min |
| Aug 20, 2:57 PM MDT | Special Weather Statement | RIW | Daggett | 33 min |
| Aug 22, 2:56 AM MDT | Red Flag Warning | SLC | Beaver, Garfield, Iron, Kane, Millard, Piute and 4 more | 42 hr |
| Aug 22, 2:37 PM MDT | Red Flag Warning | SLC | Beaver, Cache, Carbon, Duchesne, Emery, Garfield and 12 more | 30 hr |
| Aug 22, 3:06 PM MDT | Special Weather Statement | SLC | Piute | 24 min |
| Aug 22, 3:31 PM MDT | Special Weather Statement | SLC | Sevier | 44 min |
| Aug 22, 5:13 PM MDT | Special Weather Statement | SLC | 32 min | |
| Aug 22, 6:46 PM MDT | Special Weather Statement | SLC | 29 min | |
| Aug 22, 7:35 PM MDT | Special Weather Statement | SLC | Iron | 25 min |
| Aug 23, 7:22 PM MDT | Special Weather Statement | SLC | Washington | 38 min |
| Aug 23, 9:05 PM MDT | Special Weather Statement | SLC | Washington | 40 min |
| Aug 23, 9:15 PM MDT | Areal Flood Advisory | SLC | Washington | 37 min |
| Aug 23, 9:52 PM MDT | Flash Flood Warning | SLC | Washington | 3 hr |
| Aug 24, 5:45 PM MDT | Special Weather Statement | SLC | 60 min | |
| Aug 24, 6:45 PM MDT | Special Weather Statement | SLC | Box Elder, Tooele | 60 min |
| Aug 24, 7:25 PM MDT | Special Weather Statement | SLC | Box Elder, Tooele | 65 min |
| Aug 24, 8:20 PM MDT | Special Weather Statement | SLC | Cache, Davis, Salt Lake, Weber | 70 min |
| Aug 25, 2:42 PM MDT | Special Weather Statement | SLC | Tooele | 48 min |
| Aug 25, 3:50 PM MDT | Special Weather Statement | SLC | Davis | 25 min |
| Aug 25, 5:34 PM MDT | Special Weather Statement | SLC | Tooele | 41 min |
| Aug 25, 5:49 PM MDT | Special Weather Statement | SLC | 41 min | |
| Aug 25, 6:33 PM MDT | Special Weather Statement | SLC | Box Elder | 42 min |
| Aug 25, 8:50 PM MDT | Special Weather Statement | SLC | Cache, Davis, Weber | 40 min |
| Aug 26, 11:28 PM MDT | Special Weather Statement | SLC | Salt Lake | 32 min |
| Aug 27, 3:09 AM MDT | Red Flag Warning | SLC | Beaver, Cache, Duchesne, Garfield, Iron, Juab and 13 more | 17 hr |
| Aug 27, 9:29 PM MDT | Special Weather Statement | GJT | Grand | 46 min |
| Aug 27, 9:35 PM MDT | Special Weather Statement | GJT | San Juan | 40 min |
| Aug 28, 3:06 AM MDT | Fire Weather Watch | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 18 more | 12 hr |
| Aug 28, 2:54 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 20 more | 3 days |
| Aug 29, 12:13 AM MDT | Special Weather Statement | SLC | Morgan, Weber | 32 min |
| Aug 29, 3:07 AM MDT | Special Weather Statement | SLC | Morgan | 23 min |
| Aug 29, 4:37 AM MDT | Fire Weather Watch | GJT | Daggett, Grand, Uintah | 22 hr |
| Aug 29, 12:19 PM MDT | Special Weather Statement | GJT | Daggett | 41 min |
| Aug 29, 1:33 PM MDT | Special Weather Statement | GJT | Uintah | 42 min |
| Aug 29, 2:21 PM MDT | Fire Weather Watch | GJT | Daggett, Grand, Uintah | 12 hr |
| Aug 29, 2:21 PM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 31 hr |
| Aug 30, 2:23 AM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 43 hr |
| Aug 30, 2:58 PM MDT | Severe Thunderstorm Warning | GJT | Grand, Uintah | 47 min |
| Aug 31, 3:07 PM MDT | Red Flag Warning | SLC | Washington | 27 hr |
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 | 1 |
| Special Weather Statement | 31 |
| Flooding | |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 1 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 2 |
| Heat Advisory | 2 |
| Fire | |
| Red Flag Warning | 19 |
| Fire Weather Watch | 12 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Washington County18
- Grand County16
- Iron County14
- Weber County14
- Uintah County14
- Beaver County13
- Cache County13
- Garfield County13
- Morgan County13
- Salt Lake County13
- San Juan County13
- Wayne County13
- Sevier County13
- Daggett County13
- Kane County11
- Rich County11
- Summit County11
- Utah County11
- Wasatch County11
- Millard County11
- Piute County11
- Duchesne County11
- Sanpete County10
- Carbon County10
- Emery County10
- Tooele County10
- Box Elder County9
- Davis County8
- Juab County6
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.