Alert archive / Idaho / Tornado Warnings
Tornado Warnings in Idaho, 1991
7 tornado 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 tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count in 1991. Tap one for its archive.
- Tornado Warnings
- 7
- Busiest month
- May3 tornado warnings
- Busiest day
- May 18, 19913 tornado 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 |
|---|---|---|---|---|
| Apr 24, 3:34 PM MDT | Tornado Warning | BOI | Canyon, Gem | 26 min |
| May 18, 4:09 PM MDT | Tornado Warning | BOI | Blaine, Minidoka | 51 min |
| May 18, 4:21 PM MDT | Tornado Warning | BOI | Jerome, Lincoln | 54 min |
| May 18, 4:58 PM MDT | Tornado Warning | BOI | Blaine, Camas, Jerome, Lincoln, Minidoka | 62 min |
| Aug 4, 3:52 PM MDT | Tornado Warning | BOI | Cassia | 38 min |
| Sep 8, 1:22 PM MDT | Tornado Warning | PIH | Bannock | 38 min |
| Sep 10, 3:18 PM MDT | Tornado Warning | BOI | Gooding, Jerome, Twin Falls | 38 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
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.