Alert archive / Iowa / 2013
Weather alerts in Iowa, August 2013
72 weather alerts in August 2013, 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 August 2013. Tap one for its archive.
- Alerts
- 72
- Warnings
- 23
- Watches
- 3
- Advisories
- 17
- Busiest day
- August 6, 201316 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 |
|---|---|---|---|---|
| Aug 1, 2:08 PM CDT | Severe Thunderstorm Watch | SPC | Harrison, Monona, Plymouth, Woodbury | 8 hr |
| Aug 1, 4:07 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Winnebago, Worth | 38 min |
| Aug 1, 4:27 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth | 48 min |
| Aug 1, 4:45 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock | 45 min |
| Aug 1, 6:25 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hardin | 50 min |
| Aug 1, 7:37 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 38 min |
| Aug 1, 10:21 PM CDT | Special Weather Statement | OAX | Montgomery, Page | 54 min |
| Aug 2, 2:24 PM CDT | Mesoscale Discussion | SPC | Clinton, Des Moines, Henry, Lee, Louisa, Muscatine and 2 more | 66 min |
| Aug 5, 5:09 AM CDT | Special Weather Statement | DVN | Buchanan | 66 min |
| Aug 5, 5:58 AM CDT | Special Weather Statement | DVN | Cedar, Jones, Linn | 62 min |
| Aug 5, 8:11 AM CDT | Special Weather Statement | DVN | Benton, Jones, Linn | 64 min |
| Aug 5, 9:11 AM CDT | Special Weather Statement | DVN | Cedar, Clinton, Scott | 64 min |
| Aug 5, 7:24 PM CDT | Special Weather Statement | DVN | Benton, Buchanan | 66 min |
| Aug 6, 1:09 AM CDT | Dense Fog Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 8 hr |
| Aug 6, 5:07 AM CDT | Mesoscale Discussion | SPC | Fremont, Harrison, Mills, Monona, Pottawattamie, Shelby | 83 min |
| Aug 6, 5:16 AM CDT | Dense Fog Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie, Shelby | 4 hr |
| Aug 6, 5:25 AM CDT | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 4 hr |
| Aug 6, 5:28 AM CDT | Dense Fog Advisory | DMX | Appanoose, Black Hawk, Bremer, Butler, Cerro Gordo, Davis and 16 more | 6 hr |
| Aug 6, 6:35 AM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 4 hr |
| Aug 6, 7:17 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 28 min |
| Aug 6, 7:39 AM CDT | Areal Flood Advisory | OAX | Harrison | 2 hr |
| Aug 6, 7:41 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 34 min |
| Aug 6, 9:10 AM CDT | Special Weather Statement | OAX | Pottawattamie | 35 min |
| Aug 6, 9:26 AM CDT | Mesoscale Discussion | SPC | Audubon, Cass, Fremont, Mills, Montgomery, Page and 2 more | 64 min |
| Aug 6, 5:22 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee, Clay and 24 more | 2 hr |
| Aug 6, 5:58 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Benton, Boone, Cass and 29 more | 2 hr |
| Aug 6, 6:46 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Warren | 44 min |
| Aug 6, 6:51 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Cedar and 38 more | 3 hr |
| Aug 6, 7:07 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 53 min |
| Aug 6, 7:48 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Washington | 42 min |
| Aug 6, 9:37 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 69 more | 113 min |
| Aug 6, 9:56 PM CDT | Special Weather Statement | DVN | Washington | 64 min |
| Aug 6, 10:38 PM CDT | Special Weather Statement | DVN | Washington | 67 min |
| Aug 6, 11:36 PM CDT | Special Weather Statement | DVN | Washington | 84 min |
| Aug 7, 12:43 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 32 min |
| Aug 7, 12:43 AM CDT | Special Weather Statement | DVN | Iowa, Johnson, Keokuk, Washington | 62 min |
| Aug 7, 12:44 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 46 min |
| Aug 7, 1:14 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor, Union | 46 min |
| Aug 7, 1:27 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 48 min |
| Aug 7, 1:55 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 35 min |
| Aug 7, 2:10 AM CDT | Special Weather Statement | DVN | Keokuk | 65 min |
| Aug 7, 2:29 AM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 46 min |
| Aug 7, 2:41 AM CDT | Mesoscale Discussion | SPC | Appanoose, Cedar, Clinton, Davis, Decatur, Des Moines and 15 more | 2 hr |
| Aug 7, 5:32 AM CDT | Mesoscale Discussion | SPC | Appanoose, Cedar, Clinton, Davis, Decatur, Des Moines and 15 more | 103 min |
| Aug 11, 5:00 PM CDT | Mesoscale Discussion | SPC | Black Hawk, Bremer, Buena Vista, Butler, Calhoun, Carroll and 26 more | 60 min |
| Aug 11, 5:09 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 51 min |
| Aug 11, 5:56 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy | 49 min |
| Aug 11, 6:58 PM CDT | Special Weather Statement | DVN | Black Hawk | 62 min |
| Aug 11, 7:55 PM CDT | Flash Flood Warning | OAX | Monona | 3 hr |
| Aug 11, 8:33 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster | 42 min |
| Aug 21, 12:14 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 46 min |
| Aug 21, 12:41 PM CDT | Mesoscale Discussion | SPC | Black Hawk, Bremer, Butler, Cerro Gordo, Chickasaw, Emmet and 13 more | 94 min |
| Aug 21, 1:30 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 45 min |
| Aug 21, 2:05 PM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Clayton, Fayette, Howard, Winneshiek | 85 min |
| Aug 22, 5:33 AM CDT | Special Weather Statement | DVN | Buchanan | 57 min |
| Aug 23, 2:23 AM CDT | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 4 more | 7 hr |
| Aug 23, 2:40 AM CDT | Dense Fog Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 6 hr |
| Aug 23, 3:27 AM CDT | Dense Fog Advisory | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Franklin, Hancock and 2 more | 6 hr |
| Aug 24, 3:13 AM CDT | Heat Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 7 days |
| Aug 24, 3:26 AM CDT | Heat Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 4 days |
| Aug 25, 3:24 AM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 6 days |
| Aug 25, 3:27 AM CDT | Heat Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 64 hr |
| Aug 25, 4:09 AM CDT | Heat Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 6 days |
| Aug 25, 9:23 PM CDT | Excessive Heat Warning | DMX | Polk | 5 days |
| Aug 28, 3:50 AM CDT | Heat Advisory | DVN | Buchanan, Jones | 63 hr |
| Aug 29, 3:44 PM CDT | Heat Advisory | DVN | Clinton, Delaware, Dubuque, Jackson | 27 hr |
| Aug 30, 3:31 AM CDT | Heat Advisory | ARX | Chickasaw, Clayton, Fayette, Floyd | 15 hr |
| Aug 30, 3:39 AM CDT | Heat Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 15 hr |
| Aug 30, 4:52 PM CDT | Special Weather Statement | DVN | Dubuque | 53 min |
| Aug 30, 5:14 PM CDT | Mesoscale Discussion | SPC | Clinton, Dubuque, Jackson | 61 min |
| Aug 30, 5:50 PM CDT | Special Weather Statement | DVN | Dubuque | 55 min |
| Aug 31, 3:01 PM CDT | Mesoscale Discussion | SPC | Cherokee, Clay, Dickinson, Ida, Lyon, Monona and 5 more | 119 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 | 21 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 13 |
| Special Weather Statement | 16 |
| Flooding | |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 1 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 9 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Harrison County12
- Washington County12
- Pottawattamie County12
- Monona County10
- Shelby County10
- Keokuk County10
- Cerro Gordo County9
- Franklin County9
- Montgomery County9
- Clinton County9
- Scott County9
- Cedar County9
- Jones County9
- Mills County9
- Hancock County8
- Butler County8
- Page County8
- Henry County8
- Buchanan County8
- Benton County8
- Chickasaw County8
- Fremont County8
- Jefferson County8
- Worth County7
- Grundy County7
- Des Moines County7
- Lee County7
- Louisa County7
- Muscatine County7
- Fayette County7
- Floyd County7
- Dubuque County7
- Iowa County7
- Johnson County7
- Appanoose County7
- Black Hawk County7
- Davis County7
- Jasper County7
- Monroe County7
- Wapello County7
59 more counties
- Ringgold County7
- Kossuth County6
- Hardin County6
- Mitchell County6
- Linn County6
- Winneshiek County6
- Van Buren County6
- Bremer County6
- Hamilton County6
- Mahaska County6
- Marion County6
- Poweshiek County6
- Wright County6
- Cass County6
- Adams County6
- Decatur County6
- Wayne County6
- Woodbury County5
- Winnebago County5
- Emmet County5
- Clayton County5
- Howard County5
- Delaware County5
- Jackson County5
- Tama County5
- Humboldt County5
- Ida County5
- Palo Alto County5
- Webster County5
- Adair County5
- Polk County5
- Taylor County5
- Union County5
- Warren County5
- Plymouth County4
- Allamakee County4
- Marshall County4
- Story County4
- Audubon County4
- Calhoun County4
- Carroll County4
- Cherokee County4
- Crawford County4
- Pocahontas County4
- Sac County4
- Clarke County4
- Dallas County4
- Guthrie County4
- Lucas County4
- Madison County4
- Buena Vista County3
- Clay County3
- Dickinson County3
- Lyon County3
- O'Brien County3
- Osceola County3
- Sioux County3
- Boone County3
- Greene County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20122014
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.