Weather alerts in South Dakota, 2012
1,570 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
- 1,570
- Warnings
- 708
- Watches
- 128
- Advisories
- 228
- Busiest month
- June342 alerts
- Busiest day
- May 5, 201266 alerts
Over time
By month
The alerts
1,570 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.
- Pennington County237
- Meade County197
- Custer County180
- Lawrence County162
- Jackson County150
- Haakon County143
- Butte County141
- Edmunds County135
- Brown County128
- McPherson County126
- Perkins County125
- Roberts County124
- Faulk County122
- Harding County120
- Ziebach County120
- Hand County120
- Corson County119
- Spink County119
- Campbell County118
- Mellette County118
- Codington County118
- Day County118
- Marshall County117
- Dewey County116
- Walworth County116
- Grant County116
- Hyde County114
- Lyman County113
- Potter County113
- Bennett County113
- Clark County110
- Hughes County109
- Minnehaha County109
- Moody County108
- Stanley County107
- Sully County107
- Buffalo County106
- Todd County106
- Tripp County106
- Lake County105
26 more counties
- Deuel County104
- Hamlin County104
- Miner County104
- Brookings County102
- Kingsbury County102
- Hanson County101
- Brule County100
- McCook County100
- Jones County97
- Beadle County97
- Davison County97
- Fall River County97
- Lincoln County96
- Sanborn County95
- Union County95
- Aurora County94
- Jerauld County91
- Charles Mix County88
- Oglala Lakota County84
- Turner County83
- Gregory County81
- Yankton County81
- Douglas County80
- Clay County79
- Hutchinson County78
- Bon Homme County66
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.