Alert archive / Utah / 2021
Weather alerts in Utah, May 2021
78 weather alerts in May 2021, 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 2021. Tap one for its archive.
- Alerts
- 78
- Warnings
- 16
- Watches
- 7
- Advisories
- 8
- Busiest day
- May 16, 202122 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 2, 4:01 PM MDT | Special Weather Statement | GJT | Grand | 44 min |
| May 6, 2:51 PM MDT | Red Flag Warning | SLC | Garfield, Kane, San Juan, Washington, Wayne | 4 days |
| May 7, 4:29 PM MDT | Special Weather Statement | SLC | Davis | 76 min |
| May 7, 5:40 PM MDT | Special Weather Statement | SLC | Salt Lake | 50 min |
| May 7, 6:25 PM MDT | Special Weather Statement | SLC | Utah | 65 min |
| May 12, 2:10 PM MDT | Fire Weather Watch | SLC | Garfield, Kane, San Juan, Washington, Wayne | 13 hr |
| May 13, 3:35 AM MDT | Red Flag Warning | SLC | Beaver, Garfield, Iron, Kane, San Juan, Washington and 1 more | 4 days |
| May 14, 2:37 PM MDT | Special Weather Statement | SLC | Cache | 23 min |
| May 14, 3:00 PM MDT | Special Weather Statement | SLC | Cache | 15 min |
| May 14, 3:56 PM MDT | Special Weather Statement | SLC | Box Elder | 49 min |
| May 14, 5:50 PM MDT | Special Weather Statement | SLC | Davis | 40 min |
| May 15, 1:54 PM MDT | Mesoscale Discussion | SPC | Daggett, Summit | 96 min |
| May 15, 4:25 PM MDT | Special Weather Statement | SLC | Rich | 35 min |
| May 15, 5:48 PM MDT | Special Weather Statement | SLC | 42 min | |
| May 15, 6:30 PM MDT | Special Weather Statement | SLC | 45 min | |
| May 16, 1:07 PM MDT | Special Weather Statement | SLC | Salt Lake | 38 min |
| May 16, 1:22 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele | 23 min |
| May 16, 1:28 PM MDT | Mesoscale Discussion | SPC | Juab, Tooele | 92 min |
| May 16, 1:52 PM MDT | Special Weather Statement | SLC | Davis | 38 min |
| May 16, 1:55 PM MDT | Special Weather Statement | SLC | Salt Lake | 35 min |
| May 16, 1:58 PM MDT | Special Weather Statement | SLC | Weber | 47 min |
| May 16, 2:03 PM MDT | Severe Thunderstorm Warning | SLC | Morgan, Weber | 27 min |
| May 16, 2:07 PM MDT | Special Weather Statement | SLC | 38 min | |
| May 16, 2:20 PM MDT | Special Weather Statement | SLC | Salt Lake | 40 min |
| May 16, 2:29 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Weber | 31 min |
| May 16, 2:31 PM MDT | Special Weather Statement | SLC | Davis | 44 min |
| May 16, 2:50 PM MDT | Special Weather Statement | SLC | 55 min | |
| May 16, 3:00 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Weber | 30 min |
| May 16, 3:04 PM MDT | Special Weather Statement | SLC | Tooele | 41 min |
| May 16, 3:24 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 51 min |
| May 16, 3:30 PM MDT | Special Weather Statement | SLC | Cache | 45 min |
| May 16, 3:32 PM MDT | Special Weather Statement | SLC | Weber | 43 min |
| May 16, 4:15 PM MDT | Special Weather Statement | SLC | Box Elder | 45 min |
| May 16, 4:19 PM MDT | Special Weather Statement | SLC | Box Elder | 41 min |
| May 16, 4:39 PM MDT | Special Weather Statement | SLC | Box Elder | 51 min |
| May 16, 5:07 PM MDT | Special Weather Statement | SLC | Box Elder | 53 min |
| May 16, 7:30 PM MDT | Special Weather Statement | SLC | Salt Lake | 60 min |
| May 16, 8:39 PM MDT | Special Weather Statement | RIW | Rich | 36 min |
| May 16, 9:08 PM MDT | Special Weather Statement | RIW | Rich | 37 min |
| May 17, 12:12 PM MDT | Fire Weather Watch | SLC | Beaver, Garfield, Iron, Kane, San Juan, Washington and 1 more | 27 hr |
| May 17, 12:12 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Emery, Garfield, Iron, Juab and 9 more | 6 days |
| May 17, 1:08 PM MDT | Special Weather Statement | SLC | Kane | 52 min |
| May 17, 1:46 PM MDT | Special Weather Statement | SLC | Salt Lake | 44 min |
| May 17, 1:54 PM MDT | Special Weather Statement | SLC | Wasatch | 51 min |
| May 17, 2:27 PM MDT | Areal Flood Advisory | SLC | Washington | 93 min |
| May 17, 4:43 PM MDT | Special Weather Statement | SLC | Weber | 32 min |
| May 18, 3:29 PM MDT | High Wind Watch | SLC | Beaver, Iron, Juab, Millard, Washington | 19 hr |
| May 19, 3:21 AM MDT | Fire Weather Watch | GJT | Grand, San Juan | 11 hr |
| May 19, 10:38 AM MDT | High Wind Warning | SLC | Beaver, Iron, Juab, Millard, Washington | 34 hr |
| May 19, 10:38 AM MDT | Wind Advisory | SLC | Carbon, Duchesne, Emery, Garfield, Iron, Juab and 7 more | 34 hr |
| May 19, 2:34 PM MDT | Wind Advisory | GJT | Grand, San Juan, Uintah | 30 hr |
| May 19, 2:34 PM MDT | Wind Advisory | GJT | Grand, San Juan, Uintah | 54 hr |
| May 19, 2:39 PM MDT | Fire Weather Watch | GJT | Grand, San Juan | 13 hr |
| May 19, 2:39 PM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 32 hr |
| May 19, 2:51 PM MDT | High Wind Watch | SLC | Carbon, Emery, Garfield, Sevier, Wayne | 24 hr |
| May 19, 2:51 PM MDT | Wind Advisory | SLC | Beaver, Box Elder, Carbon, Duchesne, Emery, Garfield and 14 more | 54 hr |
| May 19, 4:23 PM MDT | Special Weather Statement | SLC | Duchesne | 22 min |
| May 19, 4:59 PM MDT | Special Weather Statement | GJT | Grand | 46 min |
| May 19, 5:01 PM MDT | Special Weather Statement | SLC | Utah | 29 min |
| May 19, 5:41 PM MDT | Special Weather Statement | SLC | Salt Lake | 34 min |
| May 19, 5:45 PM MDT | Special Weather Statement | GJT | Grand | 45 min |
| May 20, 3:21 AM MDT | Red Flag Warning | GJT | Grand, San Juan | 34 hr |
| May 21, 1:33 PM MDT | Special Weather Statement | SLC | Morgan | 42 min |
| May 21, 1:49 PM MDT | Fire Weather Watch | GJT | Grand, San Juan | 7 hr |
| May 21, 2:14 PM MDT | Special Weather Statement | SLC | Rich | 46 min |
| May 21, 2:59 PM MDT | Special Weather Statement | SLC | Rich | 46 min |
| May 21, 8:56 PM MDT | Wind Advisory | SLC | Garfield, Kane, San Juan, Wayne | 21 hr |
| May 21, 9:03 PM MDT | Wind Advisory | GJT | Grand | 117 min |
| May 21, 9:03 PM MDT | Wind Advisory | GJT | San Juan | 26 hr |
| May 21, 9:04 PM MDT | Red Flag Warning | GJT | Grand, San Juan | 17 hr |
| May 22, 9:37 AM MDT | Hard Freeze Warning | SLC | Garfield, Piute, Sevier | 23 hr |
| May 23, 2:29 PM MDT | Red Flag Warning | SLC | Washington | 56 hr |
| May 23, 2:29 PM MDT | Red Flag Warning | SLC | Garfield, Kane, San Juan, Washington, Wayne | 3 days |
| May 23, 4:52 PM MDT | Special Weather Statement | SLC | Weber | 38 min |
| May 23, 5:04 PM MDT | Special Weather Statement | SLC | Utah | 56 min |
| May 25, 2:52 AM MDT | Red Flag Warning | GJT | Grand | 41 hr |
| May 30, 7:12 PM MDT | Special Weather Statement | SLC | Morgan | 48 min |
| May 31, 1:39 PM MDT | Special Weather Statement | SLC | Kane | 36 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 | 5 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 45 |
| Flooding | |
| Areal Flood Advisory | 1 |
| Cold | |
| Hard Freeze Warning | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 2 |
| Wind Advisory | 7 |
| Fire | |
| Red Flag Warning | 9 |
| Fire Weather Watch | 5 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Juan County18
- Grand County13
- Washington County12
- Garfield County11
- Kane County11
- Wayne County10
- Salt Lake County9
- Box Elder County8
- Iron County7
- Weber County7
- Beaver County6
- Juab County6
- Davis County5
- Utah County5
- Rich County5
- Tooele County5
- Millard County5
- Sevier County5
- Carbon County4
- Emery County4
- Piute County4
- Cache County3
- Morgan County3
- Duchesne County3
- Uintah County3
- Daggett County2
- Sanpete County2
- Wasatch County2
- Summit County1
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.