Alert archive / Utah / Rich County
Weather alerts in Rich County, Utah, 2024
74 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Rich County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 74
- Warnings
- 21
- Watches
- 10
- Advisories
- 25
- Busiest month
- January13 alerts
- Busiest day
- July 28, 20244 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Rich County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 5 | 2 | 60% | 3 | 0% | |
| Flash flood warnings | 0 | 0 |
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, 4:00 AM MST | Winter Storm Watch | SLC | 10 hr |
| Jan 8, 1:59 PM MST | Winter Storm Warning | SLC | 62 hr |
| Jan 8, 1:59 PM MST | Winter Weather Advisory | SLC | 64 hr |
| Jan 9, 6:35 PM MST | Snow Squall Warning | SLC | 40 min |
| Jan 10, 1:37 PM MST | Winter Storm Watch | SLC | 38 hr |
| Jan 11, 3:53 PM MST | Winter Storm Warning | SLC | 4 days |
| Jan 16, 2:04 AM MST | Winter Weather Advisory | SLC | 54 hr |
| Jan 17, 2:06 AM MST | Winter Storm Warning | SLC | 30 hr |
| Jan 24, 3:03 AM MST | Winter Weather Advisory | SLC | 48 hr |
| Jan 31, 2:38 AM MST | Winter Weather Advisory | SLC | 4 days |
| Feb 4, 2:22 PM MST | Winter Storm Watch | SLC | 37 hr |
| Feb 4, 2:22 PM MST | Winter Weather Advisory | SLC | 39 hr |
| Feb 6, 3:34 AM MST | Winter Weather Advisory | SLC | 42 hr |
| Feb 14, 3:08 AM MST | Winter Weather Advisory | SLC | 62 hr |
| Feb 19, 2:43 AM MST | Winter Weather Advisory | SLC | 71 hr |
| Feb 24, 2:57 AM MST | Winter Storm Watch | SLC | 24 hr |
| Feb 25, 3:01 AM MST | Winter Storm Warning | SLC | 62 hr |
| Feb 25, 3:01 AM MST | Winter Weather Advisory | SLC | 62 hr |
| Feb 28, 2:37 AM MST | Winter Storm Watch | SLC | 25 hr |
| Feb 29, 3:07 AM MST | Winter Storm Watch | SLC | 34 hr |
| Feb 29, 3:07 AM MST | Winter Storm Warning | SLC | 4 days |
| Mar 2, 10:26 AM MST | Mesoscale Discussion | SPC | 4 hr |
| Mar 2, 11:51 AM MST | Severe Thunderstorm Warning | SLC | 39 min |
| Mar 2, 12:09 PM MST | Severe Thunderstorm Warning | SLC | 51 min |
| Mar 11, 1:20 PM MDT | Winter Weather Advisory | SLC | 5 days |
| Mar 13, 2:44 PM MDT | Wind Advisory | SLC | 45 hr |
| Mar 23, 2:50 AM MDT | Winter Weather Advisory | SLC | 44 hr |
| Mar 27, 2:50 PM MDT | Winter Weather Advisory | SLC | 33 hr |
| Mar 29, 1:41 PM MDT | Winter Weather Advisory | SLC | 57 hr |
| Apr 5, 3:13 AM MDT | Winter Weather Advisory | SLC | 45 hr |
| May 3, 2:52 PM MDT | Winter Storm Warning | SLC | 4 days |
| May 13, 3:30 PM MDT | Special Weather Statement | SLC | 45 min |
| Jun 7, 1:22 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 2:35 PM MDT | Red Flag Warning | SLC | 54 hr |
| Jul 13, 2:33 PM MDT | Red Flag Warning | SLC | 30 hr |
| Jul 26, 1:39 PM MDT | Red Flag Warning | SLC | 4 days |
| Jul 27, 7:09 PM MDT | Severe Thunderstorm Warning | SLC | 36 min |
| Jul 27, 7:14 PM MDT | Special Weather Statement | SLC | 31 min |
| Jul 27, 7:30 PM MDT | Special Weather Statement | SLC | 30 min |
| Jul 27, 8:36 PM MDT | Special Weather Statement | SLC | 24 min |
| Aug 6, 1:32 PM MDT | Red Flag Warning | SLC | 31 hr |
| Aug 9, 2:51 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Aug 9, 2:57 PM MDT | Severe Thunderstorm Warning | SLC | 23 min |
| Aug 13, 12:50 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 2:44 PM MDT | Special Weather Statement | RIW | 31 min |
| Aug 13, 3:48 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 17, 1:40 PM MDT | Special Weather Statement | SLC | 35 min |
| Aug 17, 1:51 PM MDT | Severe Thunderstorm Warning | SLC | 39 min |
| Aug 18, 6:07 PM MDT | Special Weather Statement | SLC | 38 min |
| Aug 19, 10:58 PM MDT | Special Weather Statement | SLC | 62 min |
| Aug 22, 2:28 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 23, 4:34 PM MDT | Special Weather Statement | SLC | 26 min |
| Sep 1, 12:47 PM MDT | Red Flag Warning | SLC | 58 hr |
| Sep 3, 12:31 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Sep 15, 3:37 PM MDT | Special Weather Statement | SLC | 53 min |
| Sep 15, 6:48 PM MDT | Special Weather Statement | SLC | 42 min |
| Oct 2, 12:01 PM MDT | Fire Weather Watch | SLC | 24 hr |
| Oct 2, 12:01 PM MDT | Red Flag Warning | SLC | 9 hr |
| Oct 3, 12:25 PM MDT | Red Flag Warning | SLC | 33 hr |
| Oct 16, 3:35 PM MDT | Winter Weather Advisory | SLC | 46 hr |
| Oct 27, 2:15 PM MDT | Winter Weather Advisory | SLC | 64 hr |
| Nov 1, 3:12 PM MDT | Winter Weather Advisory | SLC | 51 hr |
| Nov 11, 3:25 AM MST | Winter Weather Advisory | SLC | 40 hr |
| Nov 14, 2:22 PM MST | Winter Weather Advisory | SLC | 46 hr |
| Nov 22, 2:09 PM MST | Winter Weather Advisory | SLC | 46 hr |
| Nov 24, 2:52 PM MST | Winter Storm Watch | SLC | 12 hr |
| Nov 25, 3:02 AM MST | Winter Storm Warning | SLC | 53 hr |
| Dec 13, 2:30 PM MST | Winter Weather Advisory | SLC | 47 hr |
| Dec 25, 10:59 AM MST | Winter Storm Watch | SLC | 3 hr |
| Dec 25, 2:25 PM MST | Winter Storm Warning | SLC | 3 days |
| Dec 29, 2:57 AM MST | Winter Weather Advisory | SLC | 32 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 | 5 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 11 |
| Winter | |
| Snow Squall Warning | 1 |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 9 |
| Winter Weather Advisory | 24 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 7 |
| Fire Weather Watch | 1 |
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.