Alert archive / Iowa / 2017
Weather alerts in Iowa, February 2017
82 weather alerts in February 2017, 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 February 2017. Tap one for its archive.
- Alerts
- 82
- Warnings
- 33
- Watches
- 19
- Advisories
- 15
- Busiest day
- February 28, 201725 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 1, 3:13 AM CST | Special Weather Statement | DMX | Winnebago, Worth | 2 hr |
| Feb 1, 4:15 AM CST | Special Weather Statement | DMX | Cerro Gordo | 2 hr |
| Feb 6, 9:10 PM CST | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 15 hr |
| Feb 7, 1:36 AM CST | Special Weather Statement | DVN | Linn | 24 min |
| Feb 7, 2:21 AM CST | Dense Fog Advisory | DMX | Appanoose, Black Hawk, Clarke, Davis, Decatur, Grundy and 15 more | 7 hr |
| Feb 7, 2:30 AM CST | Special Weather Statement | DVN | Jones | 30 min |
| Feb 7, 3:15 AM CST | Special Weather Statement | ARX | Dubuque | 60 min |
| Feb 7, 4:57 AM CST | Dense Fog Advisory | ARX | Clayton, Fayette | 7 hr |
| Feb 7, 11:56 AM CST | Winter Weather Advisory | OAX | Harrison, Monona, Pottawattamie, Shelby | 23 hr |
| Feb 7, 3:48 PM CST | Winter Weather Advisory | DMX | Adair, Audubon, Boone, Carroll, Cass, Crawford and 14 more | 20 hr |
| Feb 8, 3:33 AM CST | Winter Weather Advisory | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 2 more | 12 hr |
| Feb 12, 6:54 PM CST | River Flood Warning | FSD | Clay | 65 hr |
| Feb 13, 7:16 AM CST | River Flood Warning | FSD | Clay | 59 hr |
| Feb 13, 11:21 AM CST | River Flood Warning | FSD | Buena Vista, Clay | 5 days |
| Feb 19, 1:42 AM CST | Dense Fog Advisory | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Cerro Gordo and 18 more | 7 hr |
| Feb 19, 1:56 AM CST | Dense Fog Advisory | ARX | Chickasaw, Floyd, Howard, Mitchell | 5 hr |
| Feb 21, 7:07 AM CST | Dense Fog Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 3 hr |
| Feb 21, 10:04 AM CST | Dense Fog Advisory | ARX | Chickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek | 56 min |
| Feb 21, 11:18 AM CST | River Flood Warning | DMX | Black Hawk | 5 days |
| Feb 21, 2:53 PM CST | Winter Storm Watch | OAX | Harrison, Monona | 37 hr |
| Feb 21, 3:42 PM CST | Winter Storm Watch | DMX | Calhoun, Carroll, Cerro Gordo, Crawford, Emmet, Hancock and 9 more | 37 hr |
| Feb 21, 3:59 PM CST | Winter Storm Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 36 hr |
| Feb 22, 12:26 AM CST | Dense Fog Advisory | DVN | Cedar, Clinton, Delaware, Des Moines, Dubuque, Henry and 9 more | 10 hr |
| Feb 22, 3:22 PM CST | Blizzard Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 3 more | 20 hr |
| Feb 22, 3:23 PM CST | Winter Storm Warning | OAX | Harrison, Monona | 45 hr |
| Feb 22, 3:42 PM CST | Blizzard Watch | DMX | Emmet, Kossuth, Palo Alto, Pocahontas, Winnebago | 13 hr |
| Feb 23, 3:31 AM CST | Winter Storm Watch | ARX | Allamakee, Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 12 hr |
| Feb 23, 4:14 AM CST | Blizzard Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 37 hr |
| Feb 23, 4:20 AM CST | Winter Weather Advisory | OAX | Harrison, Mills, Monona, Pottawattamie, Shelby | 38 hr |
| Feb 23, 4:31 AM CST | Blizzard Warning | DMX | Butler, Calhoun, Carroll, Cerro Gordo, Crawford, Emmet and 13 more | 41 hr |
| Feb 23, 4:31 AM CST | Winter Weather Advisory | DMX | Audubon, Black Hawk, Boone, Bremer, Butler, Carroll and 13 more | 43 hr |
| Feb 23, 10:43 AM CST | River Flood Watch | DVN | Cedar, Louisa, Muscatine | 25 hr |
| Feb 23, 10:43 AM CST | River Flood Watch | DVN | Iowa, Johnson | 25 hr |
| Feb 23, 11:59 AM CST | Blizzard Warning | ARX | Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 26 hr |
| Feb 23, 3:03 PM CST | Winter Weather Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 39 hr |
| Feb 23, 3:04 PM CST | Winter Weather Advisory | DVN | Benton, Buchanan, Delaware, Dubuque, Jones, Linn | 32 hr |
| Feb 23, 6:05 PM CST | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee, Clay and 27 more | 6 hr |
| Feb 23, 8:33 PM CST | River Flood Warning | DMX | Black Hawk | 5 days |
| Feb 23, 8:38 PM CST | River Flood Warning | ARX | Clayton | 3 days |
| Feb 23, 9:12 PM CST | Special Weather Statement | ARX | Chickasaw, Floyd, Howard, Mitchell | 63 min |
| Feb 23, 9:48 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 47 more | 2 hr |
| Feb 23, 10:31 PM CST | Special Weather Statement | OAX | Fremont, Mills | 44 min |
| Feb 23, 10:52 PM CST | Special Weather Statement | DMX | Hamilton | 23 min |
| Feb 23, 11:14 PM CST | Special Weather Statement | DMX | Cass | 46 min |
| Feb 23, 11:22 PM CST | Severe Thunderstorm Warning | DMX | Adair, Cass, Guthrie | 23 min |
| Feb 23, 11:54 PM CST | Mesoscale Discussion | SPC | Allamakee, Bremer, Buena Vista, Butler, Calhoun, Carroll and 33 more | 6 hr |
| Feb 24, 11:36 AM CST | River Flood Warning | DVN | Cedar, Louisa, Muscatine | 5 days |
| Feb 26, 11:59 AM CST | River Flood Watch | DVN | Louisa | 47 hr |
| Feb 26, 11:59 AM CST | River Flood Watch | DVN | Des Moines, Louisa | 47 hr |
| Feb 26, 11:59 AM CST | River Flood Watch | DVN | Des Moines | 24 hr |
| Feb 26, 11:59 AM CST | River Flood Watch | DVN | Des Moines, Lee | 24 hr |
| Feb 26, 11:59 AM CST | River Flood Watch | DVN | Dubuque, Jackson | 5 days |
| Feb 26, 11:59 AM CST | River Flood Watch | DVN | Muscatine, Scott | 47 hr |
| Feb 26, 11:59 AM CST | River Flood Watch | DVN | Louisa, Muscatine | 47 hr |
| Feb 27, 10:28 AM CST | River Flood Watch | DVN | Clinton, Scott | 6 days |
| Feb 27, 10:58 AM CST | River Flood Warning | DVN | Des Moines | 12 days |
| Feb 27, 10:58 AM CST | River Flood Warning | DVN | Des Moines, Lee | 12 days |
| Feb 28, 2:54 AM CST | Special Weather Statement | DVN | Louisa | 51 min |
| Feb 28, 9:41 AM CST | River Flood Warning | ARX | Allamakee, Clayton | 4 days |
| Feb 28, 10:16 AM CST | River Flood Warning | DVN | Clinton, Scott | 6 days |
| Feb 28, 10:39 AM CST | River Flood Warning | DVN | Muscatine, Scott | 6 days |
| Feb 28, 10:39 AM CST | River Flood Warning | DVN | Louisa, Muscatine | 7 days |
| Feb 28, 10:39 AM CST | River Flood Warning | DVN | Louisa | 9 days |
| Feb 28, 10:39 AM CST | River Flood Warning | DVN | Des Moines, Louisa | 10 days |
| Feb 28, 10:52 AM CST | River Flood Watch | DVN | Clinton | 8 days |
| Feb 28, 10:52 AM CST | River Flood Watch | DVN | Muscatine | 4 days |
| Feb 28, 2:03 PM CST | Mesoscale Discussion | SPC | Clinton, Des Moines, Henry, Jefferson, Lee, Louisa and 4 more | 2 hr |
| Feb 28, 2:57 PM CST | Tornado Watch | SPC | Cedar, Clinton, Des Moines, Henry, Iowa, Jackson and 11 more | 7 hr |
| Feb 28, 3:04 PM CST | Severe Thunderstorm Warning | DVN | Lee | 41 min |
| Feb 28, 3:26 PM CST | Severe Thunderstorm Warning | DVN | Iowa, Johnson, Keokuk, Washington | 36 min |
| Feb 28, 3:28 PM CST | Tornado Warning | DVN | Clinton, Scott | 47 min |
| Feb 28, 3:44 PM CST | Severe Thunderstorm Warning | DVN | Lee | 46 min |
| Feb 28, 3:51 PM CST | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Muscatine | 39 min |
| Feb 28, 4:01 PM CST | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 44 min |
| Feb 28, 4:01 PM CST | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Scott | 59 min |
| Feb 28, 4:02 PM CST | Tornado Warning | DVN | Clinton | 22 min |
| Feb 28, 4:23 PM CST | Severe Thunderstorm Warning | DVN | Clinton | 67 min |
| Feb 28, 4:45 PM CST | Severe Thunderstorm Warning | DMX | Mahaska | 15 min |
| Feb 28, 5:19 PM CST | Severe Thunderstorm Warning | DVN | Iowa, Keokuk, Washington | 26 min |
| Feb 28, 5:24 PM CST | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Henry, Jackson, Jefferson and 7 more | 96 min |
| Feb 28, 5:28 PM CST | Severe Thunderstorm Warning | DVN | Cedar, Johnson | 29 min |
| Feb 28, 5:44 PM CST | Severe Thunderstorm Warning | DVN | Johnson | 31 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 12 |
| Tornado Warning | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 10 |
| Flooding | |
| River Flood Warning | 15 |
| River Flood Watch | 12 |
| Winter | |
| Blizzard Warning | 3 |
| Winter Storm Warning | 1 |
| Blizzard Watch | 2 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 7 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Louisa County16
- Muscatine County14
- Des Moines County13
- Clinton County12
- Lee County11
- Scott County11
- Cedar County10
- Johnson County10
- Washington County9
- Mitchell County9
- Clay County8
- Chickasaw County8
- Floyd County8
- Howard County8
- Winnebago County7
- Henry County7
- Hamilton County7
- Worth County6
- Cerro Gordo County6
- Iowa County6
- Jefferson County6
- Jones County6
- Keokuk County6
- Linn County6
- Black Hawk County6
- Harrison County6
- Monona County6
- Carroll County6
- Crawford County6
- Greene County6
- Buena Vista County6
- Emmet County6
- Kossuth County6
- Palo Alto County6
- Pocahontas County6
- Winneshiek County6
- Dubuque County5
- Jackson County5
- Van Buren County5
- Mahaska County5
59 more counties
- Clayton County5
- Fayette County5
- Cass County5
- Calhoun County5
- Franklin County5
- Hancock County5
- Humboldt County5
- Webster County5
- Wright County5
- Allamakee County5
- Cherokee County5
- Dickinson County5
- Lyon County5
- O'Brien County5
- Osceola County5
- Plymouth County5
- Sioux County5
- Grundy County4
- Marion County4
- Marshall County4
- Tama County4
- Boone County4
- Guthrie County4
- Story County4
- Butler County4
- Sac County4
- Ida County4
- Woodbury County4
- Benton County3
- Buchanan County3
- Delaware County3
- Davis County3
- Jasper County3
- Lucas County3
- Madison County3
- Monroe County3
- Wapello County3
- Warren County3
- Pottawattamie County3
- Shelby County3
- Adair County3
- Audubon County3
- Dallas County3
- Polk County3
- Bremer County3
- Hardin County3
- Mills County3
- Appanoose County2
- Clarke County2
- Decatur County2
- Poweshiek County2
- Ringgold County2
- Taylor County2
- Union County2
- Wayne County2
- Fremont County2
- Adams County1
- Montgomery County1
- Page County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.