Alert archive / Montana / Ice Storm Warnings

Ice Storm Warnings in Montana, 2009

5 ice storm warnings in 2009. 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 ice storm warnings reaches back to 2005.

Ice Storm Warnings by county

Each county as a circle sized by its count in 2009. Tap one for its archive.

Ice Storm Warnings
5
Busiest month
January4 ice storm warnings
Busiest day
January 8, 20094 ice storm 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
Jan 8, 5:58 AM MSTIce Storm WarningTFX5 hr
Jan 8, 10:18 AM MSTIce Storm WarningBYZCuster, Fallon, Rosebud6 hr
Jan 8, 10:28 AM MSTIce Storm WarningGGWDawson, Garfield, McCone, Phillips, Prairie, Richland and 3 more11 hr
Jan 8, 11:11 AM MSTIce Storm WarningTFX4 hr
Dec 21, 12:03 AM MSTIce Storm WarningTFX11 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 archive20082010

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.