Weather alerts in Montana, 2012
1,774 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 1,774
- Warnings
- 540
- Watches
- 197
- Advisories
- 357
- Busiest month
- June443 alerts
- Busiest day
- June 26, 201299 alerts
Over time
By month
The alerts
1,774 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Valley County248
- McCone County223
- Phillips County222
- Garfield County189
- Missoula County165
- Petroleum County160
- Richland County155
- Powell County155
- Flathead County150
- Dawson County149
- Lake County148
- Granite County146
- Ravalli County145
- Roosevelt County142
- Stillwater County138
- Prairie County130
- Sweet Grass County129
- Wibaux County128
- Park County122
- Sheridan County122
- Daniels County121
- Sanders County119
- Carter County118
- Deer Lodge County104
- Silver Bow County103
- Pondera County99
- Fallon County99
- Custer County98
- Carbon County97
- Lewis and Clark County95
- Mineral County94
- Chouteau County93
- Madison County92
- Teton County91
- Golden Valley County91
- Gallatin County88
- Powder River County87
- Cascade County86
- Wheatland County85
- Musselshell County85
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.