Alert archive / Utah / 2011
Weather alerts in Utah, September 2011
30 weather alerts in September 2011, 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 2011. Tap one for its archive.
- Alerts
- 30
- Warnings
- 23
- Watches
- 0
- Advisories
- 2
- Busiest day
- September 16, 20119 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 9, 2:48 PM MDT | Areal Flood Advisory | GJT | San Juan | 3 hr |
| Sep 9, 4:16 PM MDT | Flash Flood Warning | SLC | Kane | 4 hr |
| Sep 9, 4:43 PM MDT | Flash Flood Warning | GJT | San Juan | 3 hr |
| Sep 9, 4:54 PM MDT | Flash Flood Warning | SLC | Washington | 3 hr |
| Sep 11, 4:30 PM MDT | Mesoscale Discussion | SPC | Kane, Washington | 3 hr |
| Sep 11, 6:10 PM MDT | Special Weather Statement | SLC | Utah | 50 min |
| Sep 11, 6:48 PM MDT | Special Weather Statement | SLC | Salt Lake | 42 min |
| Sep 13, 5:44 PM MDT | Flash Flood Warning | SLC | Washington | 3 hr |
| Sep 14, 1:16 PM MDT | Mesoscale Discussion | SPC | Kane, Washington | 89 min |
| Sep 14, 2:23 PM MDT | Flash Flood Warning | SLC | Washington | 6 hr |
| Sep 14, 2:40 PM MDT | Flash Flood Warning | SLC | Kane, Washington | 3 hr |
| Sep 14, 3:30 PM MDT | Flash Flood Warning | SLC | Kane | 4 hr |
| Sep 14, 3:32 PM MDT | Special Weather Statement | SLC | 43 min | |
| Sep 14, 5:09 PM MDT | Flash Flood Warning | SLC | Kane | 3 hr |
| Sep 16, 3:08 PM MDT | Flash Flood Warning | SLC | Washington | 3 hr |
| Sep 16, 3:13 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Wayne | 62 min |
| Sep 16, 3:33 PM MDT | Flash Flood Warning | SLC | Kane, Washington | 3 hr |
| Sep 16, 3:44 PM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 33 min |
| Sep 16, 3:53 PM MDT | Flash Flood Warning | SLC | Kane | 4 hr |
| Sep 16, 3:54 PM MDT | Flash Flood Warning | SLC | Emery | 3 hr |
| Sep 16, 4:21 PM MDT | Severe Thunderstorm Warning | SLC | Wayne | 38 min |
| Sep 16, 4:39 PM MDT | Severe Thunderstorm Warning | SLC | Garfield | 50 min |
| Sep 16, 5:44 PM MDT | Flash Flood Warning | GJT | Grand, San Juan | 3 hr |
| Sep 16, 7:42 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 48 min |
| Sep 16, 8:02 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 43 min |
| Sep 16, 8:10 PM MDT | Tornado Warning | SLC | Washington | 20 min |
| Sep 16, 9:27 PM MDT | Severe Thunderstorm Warning | SLC | Iron, Washington | 38 min |
| Sep 17, 9:01 AM MDT | Areal Flood Advisory | SLC | Emery, Sevier, Wayne | 4 hr |
| Sep 17, 12:45 PM MDT | Flash Flood Warning | GJT | Grand | 6 hr |
| Sep 17, 5:25 PM MDT | Flash Flood Warning | SLC | Garfield, Wayne | 3 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 | 7 |
| Tornado Warning | 1 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 3 |
| Flooding | |
| Flash Flood Warning | 15 |
| Areal Flood Advisory | 2 |
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 archive20102012
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.