Alert archive / Utah / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Utah, 1986

12 severe thunderstorm warnings in 1986. 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 1986. Tap one for its archive.

Severe Thunderstorm Warnings
12
Busiest month
July5 severe thunderstorm warnings
Busiest day
July 4, 19862 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
Feb 2, 8:05 PM MSTSevere Thunderstorm WarningSLCBox Elder, Davis, Weber55 min
Jul 4, 2:35 PM MDTSevere Thunderstorm WarningSLCDavis, Morgan, Weber85 min
Jul 4, 2:35 PM MDTSevere Thunderstorm WarningSLCRich85 min
Jul 20, 5:01 PM MDTSevere Thunderstorm WarningSLCGarfield59 min
Jul 26, 6:33 PM MDTSevere Thunderstorm WarningSLCBox Elder, Cache87 min
Jul 26, 6:33 PM MDTSevere Thunderstorm WarningSLCRich87 min
Aug 30, 2:55 PM MDTSevere Thunderstorm WarningSLCGarfield, Wayne65 min
Aug 30, 5:15 PM MDTSevere Thunderstorm WarningSLCEmery, Grand61 min
Sep 9, 10:59 AM MDTSevere Thunderstorm WarningSLCBox Elder, Weber2 hr
Sep 9, 10:59 AM MDTSevere Thunderstorm WarningSLCDavis, Salt Lake, Tooele2 hr
Sep 24, 6:30 PM MDTSevere Thunderstorm WarningSLCDavis, Salt Lake, Tooele3 hr
Sep 24, 6:30 PM MDTSevere Thunderstorm WarningSLCBox Elder, Cache, Weber3 hr

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 archive1987

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.