Alert archive / Utah / Flash Flood Warnings

Flash Flood Warnings in Utah, 2020

23 flash flood warnings in 2020. 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 flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in 2020. Tap one for its archive.

Flash Flood Warnings
23
Busiest month
July16 flash flood warnings
Busiest day
July 23, 20208 flash flood 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
Mar 13, 9:44 AM MDTFlash Flood WarningSLCWashington3 hr
Mar 13, 1:01 PM MDTFlash Flood Warning Considerable damage threatSLCWashington3 hr
Jun 6, 9:38 AM MDTFlash Flood WarningGJTSan Juan3 hr
Jun 6, 9:55 AM MDTFlash Flood Warning Considerable damage threatSLCGarfield3 hr
Jun 6, 11:12 AM MDTFlash Flood Warning Considerable damage threatSLCGarfield, Wayne3 hr
Jun 6, 11:48 AM MDTFlash Flood Warning Considerable damage threatSLCEmery, Garfield, Wayne3 hr
Jul 23, 12:33 PM MDTFlash Flood Warning Considerable damage threatSLCGarfield, Wayne3 hr
Jul 23, 12:55 PM MDTFlash Flood Warning Considerable damage threatSLCEmery3 hr
Jul 23, 1:25 PM MDTFlash Flood Warning Considerable damage threatSLCKane, Washington3 hr
Jul 23, 1:45 PM MDTFlash Flood Warning Considerable damage threatSLCGarfield, Wayne3 hr
Jul 23, 2:42 PM MDTFlash Flood Warning Considerable damage threatSLCUtah3 hr
Jul 23, 2:49 PM MDTFlash Flood Warning Considerable damage threatSLCEmery, Wayne3 hr
Jul 23, 3:45 PM MDTFlash Flood Warning Considerable damage threatSLCGarfield, Kane, San Juan3 hr
Jul 23, 5:19 PM MDTFlash Flood Warning Considerable damage threatSLCGarfield3 hr
Jul 23, 6:11 PM MDTFlash Flood WarningGJTSan Juan2 hr
Jul 24, 1:43 PM MDTFlash Flood Warning Considerable damage threatSLCWashington88 min
Jul 24, 2:31 PM MDTFlash Flood Warning Considerable damage threatSLCGarfield, Kane6 hr
Jul 24, 2:40 PM MDTFlash Flood Warning Considerable damage threatSLCGarfield, Wayne3 hr
Jul 24, 3:37 PM MDTFlash Flood Warning Considerable damage threatSLCGarfield3 hr
Jul 24, 8:19 PM MDTFlash Flood Warning Considerable damage threatSLCKane5 hr
Jul 27, 1:09 PM MDTFlash Flood Warning Considerable damage threatSLCWayne6 hr
Jul 27, 1:22 PM MDTFlash Flood Warning Considerable damage threatSLCKane3 hr
Aug 23, 9:52 PM MDTFlash Flood Warning Considerable damage threatSLCWashington3 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 archive20192021

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.