Weather alerts in Iowa, 2015
1,881 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
- 1,881
- Warnings
- 826
- Watches
- 131
- Advisories
- 250
- Busiest month
- June428 alerts
- Busiest day
- June 22, 201574 alerts
Over time
By month
The alerts
1,881 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.
- Fremont County171
- Page County159
- Louisa County155
- Polk County151
- Dallas County149
- Warren County147
- Des Moines County146
- Lee County144
- Wapello County143
- Madison County139
- Carroll County137
- Montgomery County137
- Appanoose County136
- Scott County136
- Marion County135
- Henry County135
- Mahaska County134
- Story County134
- Washington County134
- Lucas County133
- Davis County132
- Monona County132
- Muscatine County132
- Mills County131
- Pottawattamie County131
- Van Buren County131
- Calhoun County130
- Monroe County130
- Guthrie County129
- Union County129
- Clarke County128
- Ringgold County127
- Harrison County126
- Wayne County125
- Johnson County125
- Adams County124
- Iowa County124
- Boone County123
- Greene County123
- Taylor County123
59 more counties
- Cedar County123
- Jefferson County123
- Crawford County122
- Sac County121
- Linn County121
- Jasper County120
- Shelby County120
- Clinton County120
- Audubon County119
- Lyon County118
- Adair County118
- Webster County117
- Plymouth County116
- Keokuk County116
- Decatur County115
- Pocahontas County115
- Sioux County113
- Humboldt County113
- O'Brien County112
- Cass County112
- Marshall County111
- Osceola County110
- Hamilton County109
- Woodbury County108
- Kossuth County108
- Poweshiek County108
- Cerro Gordo County107
- Hancock County106
- Hardin County106
- Tama County106
- Wright County106
- Palo Alto County105
- Winnebago County104
- Benton County102
- Clay County101
- Ida County101
- Grundy County101
- Jones County101
- Cherokee County100
- Emmet County100
- Worth County98
- Jackson County98
- Dickinson County96
- Black Hawk County95
- Mitchell County94
- Fayette County93
- Howard County93
- Franklin County93
- Buena Vista County91
- Chickasaw County91
- Floyd County91
- Clayton County91
- Winneshiek County90
- Butler County88
- Dubuque County88
- Allamakee County83
- Bremer County82
- Delaware County81
- Buchanan County76
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.