Alert archive / Utah / 2020
Weather alerts in Utah, October 2020
35 weather alerts in October 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 October 2020. Tap one for its archive.
- Alerts
- 35
- Warnings
- 19
- Watches
- 10
- Advisories
- 6
- Busiest day
- October 13, 20204 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 1, 2:24 PM MDT | Red Flag Warning | SLC | Duchesne, Summit, Wasatch | 32 hr |
| Oct 3, 2:57 PM MDT | Fire Weather Watch | SLC | Cache, Duchesne, Morgan, Rich, Salt Lake, Summit and 3 more | 24 hr |
| Oct 4, 2:58 PM MDT | Red Flag Warning | SLC | Cache, Carbon, Duchesne, Emery, Morgan, Rich and 7 more | 29 hr |
| Oct 8, 2:34 PM MDT | Fire Weather Watch | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 19 more | 24 hr |
| Oct 9, 2:13 PM MDT | Red Flag Warning | GJT | Grand, Uintah | 30 hr |
| Oct 9, 2:34 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 20 more | 54 hr |
| Oct 10, 2:55 AM MDT | Wind Advisory | SLC | 30 hr | |
| Oct 12, 2:52 PM MDT | Fire Weather Watch | SLC | Carbon, Emery, Garfield, Iron, Kane, Washington and 1 more | 23 hr |
| Oct 13, 3:26 AM MDT | Red Flag Warning | SLC | Duchesne | 18 hr |
| Oct 13, 1:42 PM MDT | Red Flag Warning | SLC | Carbon, Emery, Garfield, Iron, Kane, Washington and 1 more | 31 hr |
| Oct 13, 1:59 PM MDT | High Wind Warning | SLC | 31 hr | |
| Oct 13, 1:59 PM MDT | Wind Advisory | SLC | 29 hr | |
| Oct 13, 7:58 PM MDT | Wind Advisory | GJT | Uintah | 23 hr |
| Oct 14, 4:51 AM MDT | Freeze Watch | GJT | Uintah | 9 hr |
| Oct 14, 1:55 PM MDT | Freeze Watch | GJT | Uintah | 14 hr |
| Oct 14, 2:59 PM MDT | Red Flag Warning | SLC | Carbon, Emery, Garfield, Iron, Kane, Washington | 43 hr |
| Oct 15, 4:11 AM MDT | Freeze Warning | GJT | Uintah | 29 hr |
| Oct 17, 2:36 AM MDT | Wind Advisory | SLC | 18 hr | |
| Oct 17, 2:38 AM MDT | Red Flag Warning | SLC | Carbon, Emery | 18 hr |
| Oct 20, 3:05 AM MDT | Fire Weather Watch | SLC | Beaver, Garfield, Iron, Kane, Millard, Piute and 3 more | 12 hr |
| Oct 20, 2:36 PM MDT | Red Flag Warning | SLC | Beaver, Cache, Carbon, Duchesne, Emery, Garfield and 16 more | 54 hr |
| Oct 21, 2:28 PM MDT | Fire Weather Watch | GJT | Grand, San Juan | 11 hr |
| Oct 22, 1:40 AM MDT | Red Flag Warning | GJT | Grand, San Juan | 16 hr |
| Oct 22, 2:00 AM MDT | Freeze Watch | GJT | Uintah | 20 hr |
| Oct 22, 3:15 PM MDT | Red Flag Warning | SLC | Duchesne, Summit, Wasatch | 30 hr |
| Oct 22, 3:15 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 7 more | 54 hr |
| Oct 22, 10:17 PM MDT | Freeze Warning | GJT | Uintah | 11 hr |
| Oct 24, 10:11 AM MDT | Freeze Warning | GJT | Grand, San Juan | 50 hr |
| Oct 24, 3:03 PM MDT | High Wind Watch | SLC | 12 hr | |
| Oct 24, 3:10 PM MDT | Fire Weather Watch | SLC | Garfield, Kane, San Juan, Washington, Wayne | 12 hr |
| Oct 24, 3:31 PM MDT | Winter Storm Warning | GJT | Grand | 50 hr |
| Oct 24, 8:45 PM MDT | Winter Weather Advisory | GJT | Grand, San Juan | 45 hr |
| Oct 25, 3:02 AM MDT | Red Flag Warning | SLC | Beaver, Garfield, Iron, Juab, Kane, Millard and 4 more | 42 hr |
| Oct 25, 3:08 AM MDT | High Wind Warning | SLC | 41 hr | |
| Oct 25, 3:08 AM MDT | Wind Advisory | SLC | 27 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Winter | |
| Winter Storm Warning | 1 |
| Winter Weather Advisory | 1 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 3 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 13 |
| Fire Weather Watch | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Garfield County10
- Kane County10
- Washington County10
- Duchesne County9
- Carbon County9
- Emery County9
- Iron County9
- Wayne County9
- San Juan County9
- Summit County7
- Wasatch County7
- Uintah County7
- Sanpete County6
- Beaver County6
- Millard County6
- Grand County6
- Cache County5
- Morgan County5
- Rich County5
- Salt Lake County5
- Utah County5
- Weber County5
- Sevier County5
- Juab County4
- Piute County4
- Box Elder County2
- Davis County2
- Tooele County2
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. Warning verification from the Mesonet's Cow. Rebuilt daily.