Alert archive / Utah / 2021
Weather alerts in Utah, October 2021
60 weather alerts in October 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 October 2021. Tap one for its archive.
- Alerts
- 60
- Warnings
- 15
- Watches
- 7
- Advisories
- 15
- Busiest day
- October 8, 202111 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 |
|---|---|---|---|---|
| Oct 5, 3:07 PM MDT | Special Weather Statement | SLC | Washington | 38 min |
| Oct 5, 3:40 PM MDT | Special Weather Statement | SLC | Washington | 50 min |
| Oct 5, 4:01 PM MDT | Flash Flood Warning | SLC | Kane, Washington | 4 hr |
| Oct 5, 4:03 PM MDT | Special Weather Statement | SLC | Kane | 42 min |
| Oct 5, 4:43 PM MDT | Flash Flood Warning | SLC | Kane | 4 hr |
| Oct 5, 5:41 PM MDT | Special Weather Statement | FGZ | Kane | 34 min |
| Oct 5, 5:42 PM MDT | Special Weather Statement | SLC | Kane | 48 min |
| Oct 6, 8:48 AM MDT | Flash Flood Warning | SLC | Carbon | 90 min |
| Oct 7, 2:45 PM MDT | Flood Watch | SLC | Box Elder, Cache, Davis, Iron, Kane, Morgan and 5 more | 33 hr |
| Oct 7, 3:09 PM MDT | Winter Weather Advisory | SLC | Duchesne, Summit, Wasatch | 51 hr |
| Oct 7, 3:13 PM MDT | Winter Weather Advisory | GJT | Daggett, Uintah | 57 hr |
| Oct 7, 4:07 PM MDT | Mesoscale Discussion | SPC | Box Elder, Cache, Davis, Morgan, Rich, Tooele and 1 more | 113 min |
| Oct 7, 6:17 PM MDT | Special Weather Statement | SLC | Tooele | 43 min |
| Oct 7, 7:26 PM MDT | Special Weather Statement | SLC | Tooele | 49 min |
| Oct 7, 9:13 PM MDT | Special Weather Statement | SLC | Weber | 47 min |
| Oct 8, 12:52 PM MDT | Mesoscale Discussion | SPC | Box Elder, Cache, Davis, Juab, Morgan, Rich and 3 more | 2 hr |
| Oct 8, 2:58 PM MDT | Special Weather Statement | SLC | Tooele | 47 min |
| Oct 8, 3:09 PM MDT | Special Weather Statement | SLC | 51 min | |
| Oct 8, 3:21 PM MDT | Special Weather Statement | SLC | Box Elder | 54 min |
| Oct 8, 3:36 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 24 min |
| Oct 8, 3:56 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 30 min |
| Oct 8, 4:43 PM MDT | Special Weather Statement | SLC | 47 min | |
| Oct 8, 5:23 PM MDT | Special Weather Statement | SLC | 52 min | |
| Oct 8, 6:16 PM MDT | Special Weather Statement | SLC | Cache | 44 min |
| Oct 8, 6:27 PM MDT | Special Weather Statement | SLC | Box Elder | 63 min |
| Oct 8, 6:32 PM MDT | Special Weather Statement | SLC | Box Elder | 58 min |
| Oct 9, 9:29 AM MDT | Areal Flood Advisory | SLC | Salt Lake | 3 hr |
| Oct 10, 2:15 PM MDT | Winter Storm Watch | GJT | Daggett, Uintah | 14 hr |
| Oct 10, 2:42 PM MDT | Winter Storm Watch | SLC | Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 12 more | 24 hr |
| Oct 10, 2:43 PM MDT | Hard Freeze Watch | SLC | Beaver, Iron, Juab, Millard, Washington | 25 hr |
| Oct 11, 3:46 AM MDT | Winter Weather Advisory | GJT | Daggett, Grand, San Juan, Uintah | 50 hr |
| Oct 11, 3:10 PM MDT | Winter Storm Warning | SLC | Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 11 more | 33 hr |
| Oct 11, 3:10 PM MDT | Winter Weather Advisory | SLC | Box Elder, Cache, Davis, Emery, Garfield, Juab and 13 more | 33 hr |
| Oct 11, 3:20 PM MDT | Hard Freeze Watch | SLC | Box Elder, Carbon, Davis, Duchesne, Emery, Garfield and 5 more | 11 hr |
| Oct 11, 3:20 PM MDT | Hard Freeze Warning | SLC | Beaver, Emery, Garfield, Iron, Juab, Millard and 3 more | 19 hr |
| Oct 11, 3:20 PM MDT | Wind Advisory | SLC | Box Elder, Juab, Millard, Salt Lake, Tooele, Utah | 24 hr |
| Oct 12, 2:35 AM MDT | Hard Freeze Warning | SLC | Beaver, Box Elder, Carbon, Davis, Duchesne, Emery and 10 more | 30 hr |
| Oct 12, 2:07 PM MDT | Freeze Warning | GJT | San Juan, Uintah | 20 hr |
| Oct 13, 3:27 PM MDT | Hard Freeze Warning | SLC | Duchesne, Sevier | 17 hr |
| Oct 13, 3:28 PM MDT | Freeze Watch | GJT | Grand, San Juan, Uintah | 13 hr |
| Oct 13, 3:28 PM MDT | Freeze Warning | GJT | Uintah | 19 hr |
| Oct 14, 4:37 AM MDT | Freeze Warning | GJT | Grand, San Juan, Uintah | 29 hr |
| Oct 14, 2:41 PM MDT | Hard Freeze Warning | SLC | Duchesne, Emery, Garfield, Sevier, Wayne | 18 hr |
| Oct 15, 2:24 PM MDT | Freeze Warning | GJT | Grand, San Juan | 18 hr |
| Oct 17, 1:43 PM MDT | Wind Advisory | SLC | Beaver, Garfield, Iron, Juab, Kane, Millard and 2 more | 28 hr |
| Oct 18, 3:08 AM MDT | Winter Weather Advisory | SLC | Box Elder, Cache, Carbon, Davis, Duchesne, Emery and 9 more | 33 hr |
| Oct 18, 3:13 AM MDT | Winter Weather Advisory | GJT | Daggett, Uintah | 42 hr |
| Oct 18, 2:47 PM MDT | Special Weather Statement | SLC | Davis | 43 min |
| Oct 18, 2:53 PM MDT | Special Weather Statement | SLC | Utah | 52 min |
| Oct 18, 3:08 PM MDT | Wind Advisory | SLC | Beaver, Iron, Juab, Millard, Washington | 2 hr |
| Oct 18, 3:19 PM MDT | Special Weather Statement | SLC | Box Elder, Davis, Weber | 56 min |
| Oct 18, 3:24 PM MDT | Special Weather Statement | SLC | Wasatch | 66 min |
| Oct 18, 4:16 PM MDT | Special Weather Statement | SLC | Cache, Weber | 74 min |
| Oct 22, 2:38 AM MDT | High Wind Watch | SLC | Beaver, Box Elder, Cache, Davis, Iron, Juab and 9 more | 50 hr |
| Oct 23, 3:50 PM MDT | High Wind Warning | SLC | Beaver, Box Elder, Iron, Juab, Millard, Salt Lake and 3 more | 51 hr |
| Oct 24, 4:23 AM MDT | Wind Advisory | SLC | Box Elder, Cache, Davis, Garfield, Juab, Kane and 10 more | 42 hr |
| Oct 25, 3:02 AM MDT | Winter Weather Advisory | GJT | Daggett, Uintah | 45 hr |
| Oct 25, 4:06 AM MDT | Winter Weather Advisory | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 18 more | 32 hr |
| Oct 25, 9:18 PM MDT | Areal Flood Advisory | SLC | Davis, Salt Lake, Weber | 3 hr |
| Oct 25, 11:57 PM MDT | Areal Flood Advisory | SLC | Salt Lake, Utah | 3 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 | 2 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 21 |
| Flooding | |
| Flash Flood Warning | 3 |
| Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 8 |
| Cold | |
| Freeze Warning | 4 |
| Hard Freeze Warning | 4 |
| Freeze Watch | 1 |
| Hard Freeze Watch | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Box Elder County16
- Juab County15
- Washington County14
- Weber County14
- Davis County13
- Salt Lake County13
- Millard County13
- Utah County13
- Kane County12
- Tooele County12
- Iron County11
- Cache County10
- Beaver County10
- Garfield County10
- Sevier County10
- Summit County9
- Duchesne County9
- Uintah County9
- Emery County9
- Morgan County8
- Rich County8
- Wasatch County8
- Wayne County8
- Carbon County7
- San Juan County6
- Daggett County5
- Piute County5
- Sanpete County5
- Grand County4
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.