Alert archive / Utah / 2019
Weather alerts in Utah, December 2019
17 weather alerts in December 2019, 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 December 2019. Tap one for its archive.
- Alerts
- 17
- Warnings
- 2
- Watches
- 2
- Advisories
- 13
- Busiest day
- December 7, 20194 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 |
|---|---|---|---|---|
| Dec 4, 3:29 AM MST | Winter Weather Advisory | GJT | Grand, San Juan | 37 hr |
| Dec 4, 6:45 PM MST | Winter Weather Advisory | SLC | 13 hr | |
| Dec 6, 6:57 PM MST | Dense Fog Advisory | SLC | 17 hr | |
| Dec 7, 2:39 AM MST | Winter Weather Advisory | GJT | Grand, San Juan | 56 hr |
| Dec 7, 3:02 AM MST | Dense Fog Advisory | GJT | Uintah | 7 hr |
| Dec 7, 2:23 PM MST | Winter Weather Advisory | SLC | 37 hr | |
| Dec 8, 1:57 PM MST | Flash Flood Warning | SLC | Washington | 3 hr |
| Dec 10, 1:36 AM MST | Dense Fog Advisory | GJT | Uintah | 6 hr |
| Dec 10, 2:23 PM MST | Winter Storm Watch | SLC | 24 hr | |
| Dec 11, 2:32 PM MST | Winter Storm Warning | SLC | 3 days | |
| Dec 11, 2:32 PM MST | Winter Weather Advisory | SLC | 4 days | |
| Dec 11, 3:02 PM MST | Winter Weather Advisory | GJT | Grand, San Juan | 4 days |
| Dec 11, 9:28 PM MST | Winter Storm Watch | GJT | Grand, San Juan | 41 hr |
| Dec 11, 9:50 PM MST | Dense Fog Advisory | GJT | Uintah | 12 hr |
| Dec 23, 2:52 AM MST | Winter Weather Advisory | SLC | 68 hr | |
| Dec 23, 2:58 AM MST | Winter Weather Advisory | GJT | Daggett, Grand, San Juan, Uintah | 68 hr |
| Dec 26, 2:40 AM MST | Winter Weather Advisory | GJT | Grand, San Juan | 50 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Flash Flood Warning | 1 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 9 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.