Weather alerts in Montana, 2015
1,446 weather alerts in 2015, 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 2015. Tap one for its archive.
- Alerts
- 1,446
- Warnings
- 352
- Watches
- 108
- Advisories
- 296
- Busiest month
- June421 alerts
- Busiest day
- June 19, 201555 alerts
Over time
By month
The alerts
1,446 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 County173
- McCone County166
- Phillips County161
- Garfield County143
- Missoula County136
- Dawson County124
- Petroleum County116
- Powder River County116
- Granite County115
- Powell County113
- Richland County112
- Lake County111
- Ravalli County110
- Wibaux County110
- Carter County109
- Prairie County108
- Big Horn County107
- Flathead County103
- Stillwater County103
- Sanders County102
- Roosevelt County98
- Rosebud County93
- Custer County91
- Silver Bow County85
- Sweet Grass County85
- Sheridan County84
- Fallon County84
- Park County83
- Deer Lodge County82
- Mineral County80
- Yellowstone County79
- Carbon County76
- Daniels County75
- Treasure County72
- Wheatland County68
- Golden Valley County63
- Musselshell County59
- Lincoln County55
- Gallatin County48
- Chouteau County42
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.