Alert archive / Montana / Flash Flood Warnings

Flash Flood Warnings in Montana, 2012

8 flash flood warnings in 2012. 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 2012. Tap one for its archive.

Flash Flood Warnings
8
Busiest month
July6 flash flood warnings
Busiest day
July 15, 20122 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
Jun 9, 1:43 AM MDTFlash Flood WarningGGWMcCone, Richland, Roosevelt, Valley113 min
Jun 26, 11:11 AM MDTFlash Flood WarningMSOFlathead3 hr
Jul 15, 12:33 PM MDTFlash Flood WarningMSOLake117 min
Jul 15, 2:28 PM MDTFlash Flood WarningMSOLake53 min
Jul 16, 2:42 PM MDTFlash Flood WarningMSOSilver Bow93 min
Jul 16, 3:08 PM MDTFlash Flood WarningMSOGranite, Ravalli112 min
Jul 20, 4:23 PM MDTFlash Flood WarningTFXLewis and Clark3 hr
Jul 27, 3:54 PM MDTFlash Flood WarningMSOMissoula73 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 archive20112013

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.