Alert archive / Utah / 2017
Weather alerts in Utah, September 2017
44 weather alerts in September 2017, 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 September 2017. Tap one for its archive.
- Alerts
- 44
- Warnings
- 11
- Watches
- 3
- Advisories
- 10
- Busiest day
- September 14, 201725 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 |
|---|---|---|---|---|
| Sep 4, 5:44 PM MDT | Special Weather Statement | SLC | Washington | 46 min |
| Sep 7, 1:41 PM MDT | Red Flag Warning | SLC | Box Elder, Cache, Davis, Juab, Millard, Morgan and 8 more | 32 hr |
| Sep 8, 2:33 AM MDT | Flash Flood Watch | SLC | 14 hr | |
| Sep 14, 3:21 AM MDT | Flash Flood Watch | SLC | 14 hr | |
| Sep 14, 8:29 AM MDT | Special Weather Statement | SLC | Washington | 46 min |
| Sep 14, 9:04 AM MDT | Mesoscale Discussion | SPC | Garfield, Kane, Washington | 116 min |
| Sep 14, 11:15 AM MDT | Flash Flood Warning | SLC | Iron | 3 hr |
| Sep 14, 12:21 PM MDT | Special Weather Statement | SLC | Kane | 24 min |
| Sep 14, 12:22 PM MDT | Special Weather Statement | SLC | Kane | 23 min |
| Sep 14, 12:39 PM MDT | Special Weather Statement | SLC | Garfield | 36 min |
| Sep 14, 12:50 PM MDT | Special Weather Statement | SLC | Kane | 25 min |
| Sep 14, 12:51 PM MDT | Flash Flood Warning | SLC | Kane, Washington | 4 hr |
| Sep 14, 1:11 PM MDT | Special Weather Statement | GJT | Grand | 49 min |
| Sep 14, 1:18 PM MDT | Special Weather Statement | SLC | Garfield | 27 min |
| Sep 14, 1:44 PM MDT | Mesoscale Discussion | SPC | Garfield, Kane, San Juan | 3 hr |
| Sep 14, 1:55 PM MDT | Special Weather Statement | SLC | Kane | 35 min |
| Sep 14, 2:11 PM MDT | Special Weather Statement | SLC | 64 min | |
| Sep 14, 2:15 PM MDT | Flash Flood Warning | SLC | Kane | 8 hr |
| Sep 14, 2:20 PM MDT | Flash Flood Warning | SLC | Garfield, Kane, Wayne | 3 hr |
| Sep 14, 2:26 PM MDT | Special Weather Statement | GJT | Grand | 64 min |
| Sep 14, 2:39 PM MDT | Special Weather Statement | SLC | Wayne | 66 min |
| Sep 14, 2:47 PM MDT | Special Weather Statement | GJT | Uintah | 43 min |
| Sep 14, 2:52 PM MDT | Severe Thunderstorm Warning | SLC | Emery, Garfield, Wayne | 38 min |
| Sep 14, 3:05 PM MDT | Flash Flood Warning | SLC | Garfield | 3 hr |
| Sep 14, 3:36 PM MDT | Special Weather Statement | GJT | San Juan | 39 min |
| Sep 14, 4:10 PM MDT | Severe Thunderstorm Warning | GJT | Grand, San Juan | 35 min |
| Sep 14, 4:47 PM MDT | Areal Flood Advisory | GJT | Grand | 3 hr |
| Sep 14, 5:30 PM MDT | Areal Flood Advisory | GJT | Grand | 3 hr |
| Sep 14, 6:26 PM MDT | Special Weather Statement | SLC | 34 min | |
| Sep 15, 7:02 AM MDT | Areal Flood Advisory | SLC | Davis, Weber | 3 hr |
| Sep 15, 9:11 AM MDT | Areal Flood Advisory | SLC | Salt Lake | 64 min |
| Sep 15, 10:16 AM MDT | Areal Flood Advisory | SLC | Salt Lake, Utah | 119 min |
| Sep 15, 3:17 PM MDT | Special Weather Statement | SLC | 43 min | |
| Sep 15, 3:37 PM MDT | Severe Thunderstorm Warning | GJT | Grand, San Juan | 23 min |
| Sep 15, 5:45 PM MDT | Flash Flood Warning | SLC | Garfield, Wayne | 4 hr |
| Sep 20, 2:47 PM MDT | Winter Weather Advisory | SLC | 42 hr | |
| Sep 20, 2:48 PM MDT | Wind Advisory | SLC | 30 hr | |
| Sep 20, 3:11 PM MDT | Wind Advisory | GJT | Grand, San Juan, Uintah | 30 hr |
| Sep 23, 4:38 AM MDT | Winter Weather Advisory | SLC | 40 hr | |
| Sep 24, 10:03 AM MDT | Winter Weather Advisory | GJT | Daggett, Uintah | 14 hr |
| Sep 30, 3:39 PM MDT | Winter Storm Watch | GJT | Grand, Uintah | 6 hr |
| Sep 30, 3:39 PM MDT | Winter Storm Warning | GJT | Daggett, Uintah | 55 hr |
| Sep 30, 5:37 PM MDT | Special Weather Statement | SLC | Cache, Davis, Weber | 23 min |
| Sep 30, 5:42 PM MDT | Special Weather Statement | GJT | Grand | 48 min |
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 | 3 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 18 |
| Flooding | |
| Flash Flood Warning | 6 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 5 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kane County9
- Grand County9
- Garfield County8
- San Juan County5
- Uintah County5
- Washington County4
- Wayne County4
- Davis County3
- Salt Lake County3
- Weber County3
- Cache County2
- Utah County2
- Daggett County2
- Box Elder County1
- Juab County1
- Millard County1
- Morgan County1
- Rich County1
- Sanpete County1
- Summit County1
- Tooele County1
- Wasatch County1
- Iron County1
- Emery County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.