Weather alerts in South Dakota, 2016
2,135 weather alerts in 2016, 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 2016. Tap one for its archive.
- Alerts
- 2,135
- Warnings
- 901
- Watches
- 116
- Advisories
- 201
- Busiest month
- July646 alerts
- Busiest day
- August 10, 201673 alerts
Over time
By month
The alerts
2,135 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 County289
- Custer County239
- Meade County223
- Lawrence County193
- Butte County173
- Perkins County171
- Haakon County165
- McPherson County161
- Dewey County161
- Campbell County159
- Stanley County155
- Jackson County155
- Brown County152
- Todd County152
- Walworth County150
- Edmunds County148
- Jones County148
- Oglala Lakota County148
- Harding County146
- Corson County145
- Ziebach County145
- Roberts County143
- Day County141
- Mellette County139
- Bennett County139
- Spink County136
- Grant County135
- Hughes County135
- Potter County133
- Fall River County133
- Sully County126
- Lyman County125
- Faulk County123
- Tripp County121
- Clark County120
- Hamlin County120
- Deuel County119
- Marshall County119
- Hyde County119
- Codington County117
26 more counties
- Lake County116
- Brookings County115
- Lincoln County111
- Minnehaha County111
- Hand County110
- Buffalo County110
- Union County106
- Moody County105
- McCook County103
- Kingsbury County101
- Turner County100
- Miner County98
- Hutchinson County95
- Beadle County94
- Sanborn County94
- Jerauld County93
- Brule County93
- Yankton County92
- Clay County90
- Aurora County89
- Hanson County88
- Davison County87
- Charles Mix County86
- Gregory County86
- Bon Homme County81
- Douglas County80
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20152017
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.