Alert archive / Utah

Weather alerts in Wasatch County, Utah

849 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Wasatch County and its neighbors

Each county as a circle sized by its count since 1986. Tap one for its archive.

Alerts
849
Warnings
311
Watches
159
Advisories
145
Busiest year
202489 alerts
Average year
22over 38 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

The latest warnings

The most recent on file, newest first.

IssuedProductOfficeLasted
Sep 17, 7:05 PM MDTSevere Thunderstorm WarningSLC40 min
Sep 17, 6:45 PM MDTSevere Thunderstorm WarningSLC30 min
Aug 30, 7:51 AM MDTSevere Thunderstorm WarningSLC24 min
Aug 28, 5:09 PM MDTSevere Thunderstorm WarningSLC51 min
Aug 28, 4:30 PM MDTSevere Thunderstorm WarningSLC45 min
Aug 1, 11:23 AM MDTRed Flag WarningSLC3 days
Jul 29, 7:25 PM MDTSevere Thunderstorm WarningSLC50 min
Jul 9, 10:55 AM MDTExtreme Heat WarningSLC5 days
Jun 25, 3:40 PM MDTSevere Thunderstorm WarningSLC35 min
Jun 25, 2:59 PM MDTSevere Thunderstorm WarningSLC46 min
Jun 24, 10:36 AM MDTRed Flag WarningSLC4 days
May 17, 10:45 AM MDTFreeze WarningSLC46 hr

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive

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.