Alert archive / Utah / Tooele County
Weather alerts in Tooele County, Utah, 2024
124 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Tooele County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 124
- Warnings
- 52
- Watches
- 11
- Advisories
- 26
- Busiest month
- August40 alerts
- Busiest day
- January 10, 20248 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Tooele County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 29 | 15 | 48% | 90 | 20% | 13 min |
| Flash flood warnings | 1 | 1 | 0% | 1 | 100% | 60 min |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Salt Lake City, UT: severe thunderstorm warnings | 100 | 37 | 63% | 272 | 25% | 16 min |
| NWS Salt Lake City, UT: flash flood warnings | 68 | 34 | 50% | 58 | 69% | 97 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 | Lasted |
|---|---|---|---|
| Jan 4, 2:01 PM MST | Winter Weather Advisory | SLC | 33 hr |
| Jan 5, 2:03 PM MST | Winter Storm Watch | SLC | 24 hr |
| Jan 6, 1:37 PM MST | Winter Weather Advisory | SLC | 39 hr |
| Jan 8, 1:59 PM MST | Winter Weather Advisory | SLC | 64 hr |
| Jan 9, 5:16 PM MST | Snow Squall Warning | SLC | 59 min |
| Jan 9, 5:41 PM MST | Snow Squall Warning | SLC | 34 min |
| Jan 9, 5:48 PM MST | Snow Squall Warning | SLC | 42 min |
| Jan 9, 6:09 PM MST | Snow Squall Warning | SLC | 51 min |
| Jan 9, 6:29 PM MST | Special Weather Statement | SLC | 46 min |
| Jan 10, 1:37 PM MST | Winter Storm Watch | SLC | 38 hr |
| Jan 10, 3:03 PM MST | Snow Squall Warning | SLC | 27 min |
| Jan 10, 3:24 PM MST | Snow Squall Warning | SLC | 36 min |
| Jan 11, 3:53 PM MST | Winter Storm Warning | SLC | 4 days |
| Jan 12, 3:17 AM MST | Winter Weather Advisory | SLC | 71 hr |
| Feb 4, 2:01 PM MST | Wind Advisory | SLC | 27 hr |
| Feb 25, 3:01 AM MST | Winter Weather Advisory | SLC | 62 hr |
| Feb 25, 2:33 PM MST | Wind Advisory | SLC | 38 hr |
| Feb 28, 1:49 PM MST | High Wind Watch | SLC | 24 hr |
| Feb 28, 1:49 PM MST | Wind Advisory | SLC | 3 days |
| Feb 29, 3:07 AM MST | Winter Storm Watch | SLC | 34 hr |
| Feb 29, 2:08 PM MST | High Wind Warning | SLC | 69 hr |
| Mar 1, 1:09 PM MST | Winter Weather Advisory | SLC | 62 hr |
| Mar 2, 10:45 AM MST | Severe Thunderstorm Warning | SLC | 45 min |
| Mar 2, 10:55 AM MST | Mesoscale Discussion | SPC | 3 hr |
| Mar 2, 11:30 AM MST | Severe Thunderstorm Warning | SLC | 45 min |
| Mar 13, 2:44 PM MDT | Wind Advisory | SLC | 45 hr |
| Apr 3, 2:07 PM MDT | High Wind Watch | SLC | 24 hr |
| Apr 3, 2:07 PM MDT | Wind Advisory | SLC | 50 hr |
| May 3, 2:16 PM MDT | Wind Advisory | SLC | 56 hr |
| May 6, 1:10 PM MDT | Freeze Watch | SLC | 20 hr |
| May 7, 9:03 AM MDT | Freeze Warning | SLC | 25 hr |
| May 22, 11:12 PM MDT | Wind Advisory | SLC | 4 hr |
| May 28, 7:38 PM MDT | Severe Thunderstorm Warning | SLC | 37 min |
| Jun 1, 1:37 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jun 7, 1:19 PM MDT | Severe Thunderstorm Warning | SLC | 26 min |
| Jun 7, 1:22 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 7, 1:42 PM MDT | Special Weather Statement | SLC | 48 min |
| Jun 7, 4:17 PM MDT | Special Weather Statement | SLC | 43 min |
| Jun 7, 5:12 PM MDT | Severe Thunderstorm Warning | SLC | 48 min |
| Jun 11, 2:38 PM MDT | Heat Advisory | SLC | 63 hr |
| Jun 12, 9:47 PM MDT | Special Weather Statement | SLC | 58 min |
| Jun 17, 2:53 AM MDT | Wind Advisory | SLC | 24 hr |
| Jun 17, 2:37 PM MDT | High Wind Warning | SLC | 6 hr |
| Jun 21, 1:34 AM MDT | Excessive Heat Watch | SLC | 25 hr |
| Jun 22, 2:07 AM MDT | Excessive Heat Warning | SLC | 43 hr |
| Jun 24, 9:22 AM MDT | Excessive Heat Warning | SLC | 38 hr |
| Jun 24, 9:22 AM MDT | Heat Advisory | SLC | 38 hr |
| Jun 29, 2:44 PM MDT | Red Flag Warning | SLC | 54 hr |
| Jul 2, 2:35 PM MDT | Red Flag Warning | SLC | 54 hr |
| Jul 3, 12:48 PM MDT | Excessive Heat Warning | SLC | 10 days |
| Jul 7, 1:37 PM MDT | Excessive Heat Watch | SLC | 24 hr |
| Jul 13, 2:33 PM MDT | Red Flag Warning | SLC | 30 hr |
| Jul 14, 8:41 PM MDT | Special Weather Statement | SLC | 49 min |
| Jul 14, 9:35 PM MDT | Special Weather Statement | SLC | 40 min |
| Jul 22, 1:48 PM MDT | Heat Advisory | SLC | 56 hr |
| Jul 25, 3:45 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jul 25, 6:30 PM MDT | Severe Thunderstorm Warning | SLC | 45 min |
| Jul 25, 6:45 PM MDT | Special Weather Statement | SLC | 45 min |
| Jul 25, 6:55 PM MDT | Severe Thunderstorm Warning | SLC | 50 min |
| Jul 25, 7:16 PM MDT | Severe Thunderstorm Warning | SLC | 44 min |
| Jul 25, 7:34 PM MDT | Special Weather Statement | SLC | 41 min |
| Jul 25, 7:45 PM MDT | Severe Thunderstorm Warning | SLC | 30 min |
| Jul 25, 8:01 PM MDT | Special Weather Statement | SLC | 44 min |
| Jul 25, 8:15 PM MDT | Special Weather Statement | SLC | 45 min |
| Jul 27, 1:19 AM MDT | Special Weather Statement | SLC | 41 min |
| Jul 27, 1:56 AM MDT | Special Weather Statement | SLC | 49 min |
| Jul 27, 3:53 PM MDT | Severe Thunderstorm Warning | SLC | 37 min |
| Jul 27, 5:40 PM MDT | Severe Thunderstorm Warning | SLC | 35 min |
| Aug 2, 2:10 AM MDT | Heat Advisory | SLC | 43 hr |
| Aug 3, 1:00 PM MDT | Excessive Heat Warning | SLC | 3 days |
| Aug 3, 1:00 PM MDT | Heat Advisory | SLC | 3 days |
| Aug 9, 2:47 PM MDT | Special Weather Statement | SLC | 58 min |
| Aug 9, 3:43 PM MDT | Special Weather Statement | SLC | 62 min |
| Aug 10, 4:07 PM MDT | Severe Thunderstorm Warning | SLC | 23 min |
| Aug 10, 4:30 PM MDT | Severe Thunderstorm Warning | SLC | 45 min |
| Aug 10, 5:14 PM MDT | Severe Thunderstorm Warning | SLC | 31 min |
| Aug 12, 12:47 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Aug 12, 1:06 PM MDT | Special Weather Statement | SLC | 39 min |
| Aug 12, 1:34 PM MDT | Special Weather Statement | SLC | 26 min |
| Aug 12, 1:46 PM MDT | Special Weather Statement | SLC | 44 min |
| Aug 12, 2:02 PM MDT | Severe Thunderstorm Warning | SLC | 28 min |
| Aug 12, 2:30 PM MDT | Severe Thunderstorm Warning | SLC | 17 min |
| Aug 12, 3:34 PM MDT | Special Weather Statement | SLC | 26 min |
| Aug 12, 4:00 PM MDT | Special Weather Statement | SLC | 30 min |
| Aug 13, 2:51 PM MDT | Special Weather Statement | SLC | 39 min |
| Aug 13, 3:05 PM MDT | Severe Thunderstorm Warning | SLC | 40 min |
| Aug 13, 3:42 PM MDT | Severe Thunderstorm Warning | SLC | 48 min |
| Aug 13, 4:22 PM MDT | Severe Thunderstorm Warning | SLC | 38 min |
| Aug 13, 4:25 PM MDT | Severe Thunderstorm Warning | SLC | 35 min |
| Aug 13, 4:56 PM MDT | Severe Thunderstorm Warning | SLC | 34 min |
| Aug 13, 4:59 PM MDT | Severe Thunderstorm Warning | SLC | 31 min |
| Aug 13, 5:12 PM MDT | Flash Flood Warning | SLC | 3 hr |
| Aug 17, 12:17 PM MDT | Severe Thunderstorm Warning | SLC | 43 min |
| Aug 17, 12:55 PM MDT | Severe Thunderstorm Warning | SLC | 50 min |
| Aug 17, 1:01 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 17, 8:29 PM MDT | Special Weather Statement | SLC | 31 min |
| Aug 17, 9:00 PM MDT | Special Weather Statement | SLC | 45 min |
| Aug 18, 12:33 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Aug 18, 5:10 PM MDT | Areal Flood Advisory | SLC | 3 hr |
| Aug 19, 8:04 PM MDT | Severe Thunderstorm Warning | SLC | 26 min |
| Aug 19, 8:26 PM MDT | Severe Thunderstorm Warning | SLC | 49 min |
| Aug 19, 9:14 PM MDT | Severe Thunderstorm Warning | SLC | 31 min |
| Aug 19, 9:45 PM MDT | Severe Thunderstorm Warning | SLC | 30 min |
| Aug 20, 12:59 PM MDT | Fire Weather Watch | SLC | 46 hr |
| Aug 22, 11:24 AM MDT | Red Flag Warning | SLC | 61 hr |
| Aug 22, 11:45 AM MDT | Wind Advisory | SLC | 58 hr |
| Aug 22, 2:28 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 23, 2:49 PM MDT | High Wind Warning | SLC | 31 hr |
| Sep 1, 12:47 PM MDT | Red Flag Warning | SLC | 58 hr |
| Sep 3, 12:31 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Sep 8, 4:32 PM MDT | Special Weather Statement | SLC | 43 min |
| Sep 10, 3:05 AM MDT | Red Flag Warning | SLC | 65 hr |
| Sep 10, 8:41 PM MDT | Special Weather Statement | SLC | 34 min |
| Sep 16, 3:24 PM MDT | Special Weather Statement | SLC | 36 min |
| Sep 17, 6:38 AM MDT | Special Weather Statement | SLC | 52 min |
| Sep 17, 11:50 AM MDT | Severe Thunderstorm Warning | SLC | 25 min |
| Sep 29, 3:36 PM MDT | Special Weather Statement | SLC | 24 min |
| Oct 14, 10:57 AM MDT | Fire Weather Watch | SLC | 27 hr |
| Oct 15, 1:33 PM MDT | Red Flag Warning | SLC | 31 hr |
| Dec 5, 5:37 PM MST | Dense Fog Advisory | SLC | 17 hr |
| Dec 6, 5:05 PM MST | Dense Fog Advisory | SLC | 18 hr |
| Dec 7, 7:17 PM MST | Dense Fog Advisory | SLC | 17 hr |
| Dec 27, 1:49 AM MST | Wind Advisory | SLC | 17 hr |
| Dec 29, 3:23 AM MST | Dense Fog Advisory | SLC | 5 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 | 29 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 8 |
| Special Weather Statement | 27 |
| Flooding | |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 1 |
| Winter | |
| Snow Squall Warning | 6 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 6 |
| Heat | |
| Excessive Heat Warning | 4 |
| Excessive Heat Watch | 2 |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 2 |
| Wind Advisory | 10 |
| Fire | |
| Red Flag Warning | 7 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20232025
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.