Alert archive / Utah / 2020
Weather alerts in Utah, May 2020
95 weather alerts in May 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 May 2020. Tap one for its archive.
- Alerts
- 95
- Warnings
- 26
- Watches
- 11
- Advisories
- 6
- Busiest day
- May 30, 202024 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 1, 5:25 PM MDT | Special Weather Statement | SLC | Duchesne | 35 min |
| May 2, 11:53 AM MDT | Mesoscale Discussion | SPC | Carbon, Duchesne, Emery, Uintah | 2 hr |
| May 2, 12:37 PM MDT | Special Weather Statement | GJT | Uintah | 23 min |
| May 2, 12:46 PM MDT | Special Weather Statement | SLC | Carbon | 29 min |
| May 2, 1:13 PM MDT | Special Weather Statement | SLC | Duchesne | 47 min |
| May 2, 1:35 PM MDT | Severe Thunderstorm Warning | SLC | Duchesne | 40 min |
| May 2, 2:01 PM MDT | Special Weather Statement | SLC | Sanpete | 44 min |
| May 2, 2:18 PM MDT | Special Weather Statement | SLC | Carbon | 42 min |
| May 2, 2:19 PM MDT | Special Weather Statement | GJT | Uintah | 26 min |
| May 2, 3:01 PM MDT | Special Weather Statement | SLC | Carbon | 29 min |
| May 2, 3:16 PM MDT | Special Weather Statement | SLC | Box Elder | 44 min |
| May 2, 5:26 PM MDT | Special Weather Statement | SLC | Cache | 49 min |
| May 2, 5:29 PM MDT | Special Weather Statement | SLC | Juab | 46 min |
| May 2, 6:08 PM MDT | Special Weather Statement | SLC | Juab | 52 min |
| May 2, 6:49 PM MDT | Special Weather Statement | SLC | Juab | 56 min |
| May 2, 8:23 PM MDT | Special Weather Statement | SLC | Juab | 37 min |
| May 2, 8:54 PM MDT | Special Weather Statement | SLC | Sanpete | 36 min |
| May 3, 2:24 PM MDT | Special Weather Statement | RIW | Daggett | 36 min |
| May 11, 12:05 PM MDT | Special Weather Statement | SLC | Duchesne | 40 min |
| May 11, 12:44 PM MDT | Special Weather Statement | SLC | Duchesne | 46 min |
| May 11, 1:03 PM MDT | Special Weather Statement | GJT | Uintah | 42 min |
| May 11, 1:05 PM MDT | Special Weather Statement | SLC | Wayne | 55 min |
| May 11, 1:20 PM MDT | Special Weather Statement | GJT | Uintah | 40 min |
| May 11, 2:11 PM MDT | Special Weather Statement | GJT | Uintah | 49 min |
| May 11, 6:14 PM MDT | Special Weather Statement | SLC | Davis, Weber | 46 min |
| May 11, 6:41 PM MDT | Special Weather Statement | SLC | Cache | 49 min |
| May 11, 7:34 PM MDT | Special Weather Statement | SLC | Rich | 41 min |
| May 12, 1:34 PM MDT | Wind Advisory | SLC | 6 hr | |
| May 14, 3:13 PM MDT | Fire Weather Watch | SLC | Washington | 24 hr |
| May 15, 3:25 PM MDT | Red Flag Warning | SLC | Beaver, Garfield, Iron, Kane, San Juan, Washington and 1 more | 4 days |
| May 16, 3:49 AM MDT | Fire Weather Watch | GJT | Grand | 24 hr |
| May 16, 2:19 PM MDT | Fire Weather Watch | GJT | Grand | 25 hr |
| May 16, 7:21 PM MDT | Red Flag Warning | GJT | Grand | 26 hr |
| May 17, 3:34 AM MDT | Red Flag Warning | GJT | Grand | 44 hr |
| May 17, 2:39 PM MDT | Wind Advisory | SLC | 30 hr | |
| May 17, 2:50 PM MDT | Red Flag Warning | GJT | Grand | 57 hr |
| May 18, 2:27 PM MDT | Wind Advisory | SLC | 31 hr | |
| May 18, 2:42 PM MDT | Wind Advisory | GJT | Grand, San Juan | 30 hr |
| May 19, 2:45 AM MDT | Fire Weather Watch | GJT | Grand | 12 hr |
| May 19, 2:15 PM MDT | Red Flag Warning | GJT | Grand | 30 hr |
| May 19, 5:32 PM MDT | High Wind Warning | SLC | 3 hr | |
| May 20, 10:29 AM MDT | Special Weather Statement | SLC | Cache | 46 min |
| May 20, 11:55 AM MDT | Special Weather Statement | SLC | Weber | 35 min |
| May 20, 2:36 PM MDT | Special Weather Statement | SLC | Washington | 39 min |
| May 20, 2:44 PM MDT | Special Weather Statement | SLC | Iron | 46 min |
| May 20, 3:49 PM MDT | Special Weather Statement | SLC | Piute | 41 min |
| May 20, 4:15 PM MDT | Special Weather Statement | SLC | Cache | 30 min |
| May 20, 5:17 PM MDT | Special Weather Statement | SLC | Weber | 43 min |
| May 21, 2:08 AM MDT | Fire Weather Watch | GJT | Grand | 12 hr |
| May 21, 10:55 AM MDT | Red Flag Warning | SLC | Garfield, Kane, San Juan, Washington, Wayne | 34 hr |
| May 21, 2:03 PM MDT | Red Flag Warning | GJT | Grand | 31 hr |
| May 21, 9:03 PM MDT | Wind Advisory | SLC | 24 hr | |
| May 22, 3:11 AM MDT | Fire Weather Watch | GJT | Grand | 11 hr |
| May 22, 2:22 PM MDT | Red Flag Warning | GJT | Grand | 31 hr |
| May 22, 6:26 PM MDT | High Wind Warning | SLC | 3 hr | |
| May 23, 3:12 AM MDT | Hard Freeze Watch | SLC | 11 hr | |
| May 23, 2:35 PM MDT | Hard Freeze Warning | SLC | 18 hr | |
| May 26, 2:30 PM MDT | Excessive Heat Watch | SLC | 13 hr | |
| May 27, 3:18 AM MDT | Excessive Heat Warning | SLC | 69 hr | |
| May 27, 2:49 PM MDT | Fire Weather Watch | SLC | Beaver, Garfield, Iron, Juab, Kane, Millard and 4 more | 24 hr |
| May 28, 3:05 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Emery, Garfield, Iron, Juab and 6 more | 4 days |
| May 29, 3:15 AM MDT | Wind Advisory | SLC | 42 hr | |
| May 29, 12:57 PM MDT | Special Weather Statement | SLC | Summit | 48 min |
| May 29, 2:25 PM MDT | Fire Weather Watch | GJT | Daggett, Grand, San Juan, Uintah | 24 hr |
| May 29, 2:59 PM MDT | Fire Weather Watch | SLC | Carbon, Emery | 25 hr |
| May 29, 3:34 PM MDT | Special Weather Statement | RIW | Daggett | 56 min |
| May 30, 2:44 PM MDT | Red Flag Warning | GJT | Grand | 29 hr |
| May 30, 2:53 PM MDT | Special Weather Statement | SLC | Iron | 37 min |
| May 30, 3:08 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake, Utah | 37 min |
| May 30, 3:12 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 33 min |
| May 30, 3:17 PM MDT | Special Weather Statement | SLC | Davis | 43 min |
| May 30, 3:20 PM MDT | Special Weather Statement | SLC | Kane | 25 min |
| May 30, 3:35 PM MDT | Severe Thunderstorm Warning | SLC | Millard | 25 min |
| May 30, 3:44 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Weber | 61 min |
| May 30, 3:55 PM MDT | Special Weather Statement | SLC | Rich | 35 min |
| May 30, 4:04 PM MDT | Special Weather Statement | SLC | Juab | 56 min |
| May 30, 4:22 PM MDT | Severe Thunderstorm Warning | SLC | Cache, Rich | 38 min |
| May 30, 4:27 PM MDT | Special Weather Statement | SLC | Cache | 48 min |
| May 30, 4:37 PM MDT | Special Weather Statement | SLC | Morgan | 38 min |
| May 30, 4:50 PM MDT | Special Weather Statement | SLC | Tooele | 40 min |
| May 30, 5:06 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele, Utah | 24 min |
| May 30, 5:09 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Millard, Tooele | 51 min |
| May 30, 5:10 PM MDT | Special Weather Statement | SLC | Utah | 35 min |
| May 30, 5:13 PM MDT | Severe Thunderstorm Warning | SLC | Rich | 32 min |
| May 30, 5:22 PM MDT | Special Weather Statement | SLC | Sanpete | 38 min |
| May 30, 5:29 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele | 31 min |
| May 30, 5:43 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 62 min |
| May 30, 5:49 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 56 min |
| May 30, 5:51 PM MDT | Special Weather Statement | SLC | Rich | 39 min |
| May 30, 5:56 PM MDT | Special Weather Statement | SLC | Wasatch | 34 min |
| May 30, 6:28 PM MDT | Special Weather Statement | SLC | Morgan | 47 min |
| May 30, 7:12 PM MDT | Special Weather Statement | SLC | Rich | 48 min |
| May 31, 12:18 PM MDT | Mesoscale Discussion | SPC | Carbon, Daggett, Duchesne, Summit, Uintah, Wasatch | 117 min |
| May 31, 2:47 PM MDT | Special Weather Statement | GJT | Daggett | 43 min |
| May 31, 4:03 PM MDT | Special Weather Statement | GJT | Daggett, Uintah | 42 min |
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 | 12 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 50 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Cold | |
| Hard Freeze Warning | 1 |
| Hard Freeze Watch | 1 |
| Wind and dust | |
| High Wind Warning | 2 |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 10 |
| Fire Weather Watch | 9 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Grand County14
- Uintah County9
- Juab County8
- Duchesne County7
- Carbon County7
- Cache County6
- Daggett County6
- Rich County6
- Washington County6
- San Juan County6
- Tooele County6
- Sanpete County5
- Wayne County5
- Iron County5
- Kane County5
- Box Elder County4
- Davis County4
- Weber County4
- Garfield County4
- Millard County4
- Emery County3
- Beaver County3
- Salt Lake County3
- Utah County3
- Summit County2
- Morgan County2
- Wasatch County2
- Piute County1
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.