Alert archive / Utah / Box Elder County / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Box Elder County, Utah, 1999
18 severe thunderstorm warnings in 1999. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.
Box Elder County and its neighbors
Each county as a circle sized by its count in 1999. Tap one for its archive.
- Severe Thunderstorm Warnings
- 18
- Busiest month
- August7 severe thunderstorm warnings
- Busiest day
- August 30, 19993 severe thunderstorm warnings
Over time
By month
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 |
|---|---|---|---|
| Apr 28, 2:57 PM MDT | Severe Thunderstorm Warning | SLC | 33 min |
| May 23, 5:49 PM MDT | Severe Thunderstorm Warning | SLC | 26 min |
| May 23, 6:10 PM MDT | Severe Thunderstorm Warning | SLC | 5 min |
| May 23, 6:19 PM MDT | Severe Thunderstorm Warning | SLC | 26 min |
| May 25, 6:03 PM MDT | Severe Thunderstorm Warning | SLC | 42 min |
| May 25, 6:58 PM MDT | Severe Thunderstorm Warning | SLC | 32 min |
| Jun 17, 3:01 PM MDT | Severe Thunderstorm Warning | SLC | 44 min |
| Aug 11, 3:10 PM MDT | Severe Thunderstorm Warning | SLC | 60 min |
| Aug 11, 6:30 PM MDT | Severe Thunderstorm Warning | SLC | 30 min |
| Aug 27, 8:09 PM MDT | Severe Thunderstorm Warning | SLC | 66 min |
| Aug 28, 6:30 PM MDT | Severe Thunderstorm Warning | SLC | 30 min |
| Aug 30, 12:48 PM MDT | Severe Thunderstorm Warning | SLC | 57 min |
| Aug 30, 1:38 PM MDT | Severe Thunderstorm Warning | SLC | 67 min |
| Aug 30, 2:02 PM MDT | Severe Thunderstorm Warning | SLC | 58 min |
| Sep 19, 4:10 PM MDT | Severe Thunderstorm Warning | SLC | 50 min |
| Sep 19, 7:50 PM MDT | Severe Thunderstorm Warning | SLC | 40 min |
| Sep 19, 8:30 PM MDT | Severe Thunderstorm Warning | SLC | 30 min |
| Sep 19, 9:00 PM MDT | Severe Thunderstorm Warning | SLC | 45 min |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19982000
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.