Weather alerts in Iowa, 2019
2,574 weather alerts in 2019, 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 2019. Tap one for its archive.
- Alerts
- 2,574
- Warnings
- 1,188
- Watches
- 306
- Advisories
- 341
- Busiest month
- May487 alerts
- Busiest day
- March 12, 201977 alerts
Over time
By month
The alerts
2,574 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.
- Lee County218
- Louisa County214
- Scott County213
- Des Moines County210
- Johnson County195
- Muscatine County185
- Polk County185
- Clinton County184
- Linn County184
- Cedar County183
- Henry County179
- Dubuque County178
- Delaware County171
- Jones County171
- Washington County171
- Pottawattamie County170
- Lyon County166
- Benton County165
- Jackson County161
- Van Buren County161
- Sioux County159
- Buchanan County159
- Madison County156
- Dallas County155
- Iowa County153
- Wayne County153
- Adair County151
- Kossuth County151
- Union County151
- Davis County150
- Hardin County150
- Keokuk County149
- Wapello County149
- Cerro Gordo County148
- Clay County147
- Fremont County147
- Winnebago County147
- Adams County146
- Appanoose County146
- Hancock County146
59 more counties
- Clarke County145
- Franklin County145
- Marshall County145
- Warren County145
- Jefferson County144
- Winneshiek County143
- Black Hawk County143
- Lucas County143
- Worth County142
- Grundy County141
- Jasper County141
- Ringgold County141
- Clayton County140
- Humboldt County140
- Decatur County139
- Hamilton County139
- Monroe County139
- Harrison County138
- Page County138
- Palo Alto County138
- Webster County137
- Mitchell County136
- Emmet County136
- Marion County136
- Wright County136
- Plymouth County135
- Boone County135
- Cass County135
- Mahaska County135
- Mills County134
- Story County134
- Allamakee County133
- Dickinson County132
- Butler County132
- Tama County132
- Floyd County131
- Howard County131
- Montgomery County131
- Shelby County131
- Guthrie County131
- Chickasaw County130
- Poweshiek County129
- Fayette County128
- Pocahontas County127
- O'Brien County125
- Monona County124
- Bremer County124
- Taylor County123
- Osceola County120
- Greene County119
- Buena Vista County115
- Woodbury County115
- Audubon County115
- Cherokee County113
- Calhoun County110
- Carroll County107
- Sac County106
- Ida County99
- Crawford County90
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.