Alert archive / Idaho / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Idaho, 1991
15 severe thunderstorm warnings in 1991. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 1991. Tap one for its archive.
- Severe Thunderstorm Warnings
- 15
- Busiest month
- May8 severe thunderstorm warnings
- Busiest day
- May 17, 19918 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 | Counties | Lasted |
|---|---|---|---|---|
| May 17, 12:38 PM MDT | Severe Thunderstorm Warning | BOI | Blaine, Lincoln, Minidoka | 52 min |
| May 17, 3:59 PM MDT | Severe Thunderstorm Warning | PIH | Bannock, Bingham, Oneida, Power | 46 min |
| May 17, 3:59 PM MDT | Severe Thunderstorm Warning | PIH | Franklin | 46 min |
| May 17, 4:29 PM MDT | Severe Thunderstorm Warning | PIH | Fremont, Jefferson, Madison | 61 min |
| May 17, 4:29 PM MDT | Severe Thunderstorm Warning | PIH | Bonneville, Caribou | 61 min |
| May 17, 4:29 PM MDT | Severe Thunderstorm Warning | PIH | Bear Lake | 61 min |
| May 17, 5:30 PM MDT | Severe Thunderstorm Warning | PIH | Bonneville, Fremont, Jefferson, Madison | |
| May 17, 5:30 PM MDT | Severe Thunderstorm Warning | PIH | Teton | |
| Jul 14, 2:17 PM MDT | Severe Thunderstorm Warning | PIH | Lemhi | 118 min |
| Aug 4, 8:40 PM MDT | Severe Thunderstorm Warning | PIH | Bear Lake, Franklin | 65 min |
| Aug 27, 6:59 PM MDT | Severe Thunderstorm Warning | BOI | Cassia, Jerome, Minidoka, Twin Falls | 2 hr |
| Aug 27, 6:59 PM MDT | Severe Thunderstorm Warning | BOI | Blaine | 2 hr |
| Sep 10, 3:25 PM MDT | Severe Thunderstorm Warning | BOI | Gooding, Jerome, Twin Falls | 65 min |
| Sep 10, 3:26 PM MDT | Severe Thunderstorm Warning | BOI | Elmore, Owyhee | 2 hr |
| Sep 10, 4:50 PM MDT | Severe Thunderstorm Warning | BOI | Boise, Gem, Valley | 115 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Blaine County2
- Minidoka County2
- Franklin County2
- Fremont County2
- Jefferson County2
- Madison County2
- Bonneville County2
- Bear Lake County2
- Jerome County2
- Twin Falls County2
- Lincoln County1
- Bannock County1
- Bingham County1
- Oneida County1
- Power County1
- Caribou County1
- Teton County1
- Lemhi County1
- Cassia County1
- Gooding County1
- Elmore County1
- Owyhee County1
- Boise County1
- Gem County1
- Valley County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19901992
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.