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.

IssuedProductOfficeCountiesLasted
May 17, 12:38 PM MDTSevere Thunderstorm WarningBOIBlaine, Lincoln, Minidoka52 min
May 17, 3:59 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Oneida, Power46 min
May 17, 3:59 PM MDTSevere Thunderstorm WarningPIHFranklin46 min
May 17, 4:29 PM MDTSevere Thunderstorm WarningPIHFremont, Jefferson, Madison61 min
May 17, 4:29 PM MDTSevere Thunderstorm WarningPIHBonneville, Caribou61 min
May 17, 4:29 PM MDTSevere Thunderstorm WarningPIHBear Lake61 min
May 17, 5:30 PM MDTSevere Thunderstorm WarningPIHBonneville, Fremont, Jefferson, Madison
May 17, 5:30 PM MDTSevere Thunderstorm WarningPIHTeton
Jul 14, 2:17 PM MDTSevere Thunderstorm WarningPIHLemhi118 min
Aug 4, 8:40 PM MDTSevere Thunderstorm WarningPIHBear Lake, Franklin65 min
Aug 27, 6:59 PM MDTSevere Thunderstorm WarningBOICassia, Jerome, Minidoka, Twin Falls2 hr
Aug 27, 6:59 PM MDTSevere Thunderstorm WarningBOIBlaine2 hr
Sep 10, 3:25 PM MDTSevere Thunderstorm WarningBOIGooding, Jerome, Twin Falls65 min
Sep 10, 3:26 PM MDTSevere Thunderstorm WarningBOIElmore, Owyhee2 hr
Sep 10, 4:50 PM MDTSevere Thunderstorm WarningBOIBoise, Gem, Valley115 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.