Alert archive / Iowa / 2019
Weather alerts in Iowa, April 2019
141 weather alerts in April 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 April 2019. Tap one for its archive.
- Alerts
- 141
- Warnings
- 66
- Watches
- 13
- Advisories
- 22
- Busiest day
- April 22, 201919 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 |
|---|---|---|---|---|
| Apr 4, 10:24 PM CDT | Dense Fog Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 12 hr |
| Apr 5, 1:05 AM CDT | Dense Fog Advisory | OAX | Harrison, Mills, Monona, Pottawattamie, Shelby | 9 hr |
| Apr 5, 2:56 AM CDT | Dense Fog Advisory | DMX | Appanoose, Black Hawk, Bremer, Butler, Cerro Gordo, Crawford and 24 more | 6 hr |
| Apr 5, 3:54 AM CDT | Dense Fog Advisory | DVN | Benton, Buchanan, Delaware, Dubuque, Henry, Iowa and 8 more | 6 hr |
| Apr 5, 4:54 AM CDT | Dense Fog Advisory | ARX | Chickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek | 5 hr |
| Apr 6, 9:35 AM CDT | River Flood Warning | FSD | Lyon | 14 days |
| Apr 6, 9:35 AM CDT | River Flood Warning | FSD | Clay | 69 hr |
| Apr 6, 9:35 AM CDT | River Flood Warning | FSD | Clay, Dickinson | 18 days |
| Apr 6, 9:35 AM CDT | River Flood Warning | FSD | Clay | 40 days |
| Apr 6, 9:35 AM CDT | River Flood Warning | FSD | Buena Vista, Clay | 17 days |
| Apr 7, 6:54 PM CDT | Special Weather Statement | DVN | Jefferson | 36 min |
| Apr 7, 7:11 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Van Buren | 21 min |
| Apr 7, 7:19 PM CDT | Special Weather Statement | DVN | Henry | 26 min |
| Apr 7, 7:45 PM CDT | Special Weather Statement | DVN | Des Moines | 30 min |
| Apr 7, 8:13 PM CDT | Special Weather Statement | DVN | Des Moines | 32 min |
| Apr 8, 3:46 AM CDT | Winter Storm Watch | FSD | Dickinson, Lyon, Osceola | 57 hr |
| Apr 8, 9:44 AM CDT | River Flood Advisory | OAX | Harrison | 29 days |
| Apr 8, 9:44 AM CDT | River Flood Advisory | OAX | Pottawattamie | 50 days |
| Apr 9, 10:23 AM CDT | River Flood Watch | DMX | Palo Alto, Pocahontas | 24 hr |
| Apr 9, 10:23 AM CDT | River Flood Watch | DMX | Webster | 60 hr |
| Apr 9, 10:23 AM CDT | River Flood Watch | DMX | Boone, Hamilton, Webster | 21 days |
| Apr 9, 10:23 AM CDT | River Flood Watch | DMX | Polk | 21 days |
| Apr 9, 10:23 AM CDT | River Flood Watch | DMX | Humboldt, Kossuth | 48 hr |
| Apr 9, 10:23 AM CDT | River Flood Watch | DMX | Dallas, Greene | 7 days |
| Apr 9, 10:41 AM CDT | River Flood Warning | FSD | Clay | 21 days |
| Apr 9, 10:41 AM CDT | River Flood Warning | FSD | Cherokee | 21 days |
| Apr 9, 10:41 AM CDT | River Flood Warning | FSD | Monona, Woodbury | 5 days |
| Apr 9, 10:41 AM CDT | River Flood Warning | FSD | Lyon | 9 days |
| Apr 9, 10:41 AM CDT | River Flood Warning | FSD | Lyon, Sioux | 10 days |
| Apr 9, 10:41 AM CDT | River Flood Warning | FSD | Sioux | 5 days |
| Apr 9, 10:41 AM CDT | River Flood Warning | FSD | Plymouth | 4 days |
| Apr 9, 12:38 PM CDT | River Flood Watch | DMX | Black Hawk | 8 days |
| Apr 10, 3:13 AM CDT | Wind Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 40 hr |
| Apr 10, 4:06 AM CDT | Wind Advisory | OAX | Harrison, Mills, Monona, Montgomery, Pottawattamie, Shelby | 30 hr |
| Apr 10, 4:25 AM CDT | Wind Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 39 hr |
| Apr 10, 9:54 AM CDT | River Flood Warning | DMX | Palo Alto, Pocahontas | 5 days |
| Apr 10, 12:37 PM CDT | Ice Storm Warning | FSD | Dickinson, Lyon, Osceola | 27 hr |
| Apr 10, 3:10 PM CDT | Wind Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 28 hr |
| Apr 10, 3:24 PM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Ida, O'Brien, Plymouth and 2 more | 22 hr |
| Apr 10, 3:46 PM CDT | Winter Weather Advisory | DMX | Emmet | 18 hr |
| Apr 10, 6:39 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Pottawattamie | 6 hr |
| Apr 10, 10:08 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie | 2 hr |
| Apr 10, 10:53 PM CDT | Special Weather Statement | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 22 min |
| Apr 10, 10:53 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 37 min |
| Apr 10, 11:06 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 24 min |
| Apr 10, 11:33 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 42 min |
| Apr 11, 12:04 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene, Guthrie | 41 min |
| Apr 11, 2:34 AM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, Osceola, Sioux | 6 hr |
| Apr 11, 3:56 AM CDT | Special Weather Statement | DVN | Jones, Linn | 34 min |
| Apr 11, 4:14 AM CDT | Special Weather Statement | DVN | Buchanan, Delaware | 31 min |
| Apr 11, 4:33 AM CDT | High Wind Warning | DMX | Boone, Calhoun, Carroll, Cerro Gordo, Emmet, Franklin and 12 more | 8 hr |
| Apr 11, 4:47 AM CDT | Special Weather Statement | DVN | Delaware | 13 min |
| Apr 11, 4:52 AM CDT | Special Weather Statement | DVN | Dubuque, Jones | 38 min |
| Apr 12, 3:52 AM CDT | Wind Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 12 more | 16 hr |
| Apr 17, 1:52 PM CDT | Special Weather Statement | DMX | Carroll | 38 min |
| Apr 17, 2:09 PM CDT | Special Weather Statement | DMX | Audubon | 36 min |
| Apr 17, 2:44 PM CDT | Mesoscale Discussion | SPC | Adair, Boone, Clarke, Dallas, Decatur, Franklin and 16 more | 91 min |
| Apr 17, 3:04 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Guthrie, Polk | 41 min |
| Apr 17, 3:43 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk, Story | 47 min |
| Apr 17, 4:30 PM CDT | Severe Thunderstorm Warning | DMX | Bremer, Butler, Cerro Gordo, Franklin, Grundy | 45 min |
| Apr 17, 4:34 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Tama | 41 min |
| Apr 17, 5:11 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Poweshiek, Tama | 49 min |
| Apr 17, 5:16 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 11 more | 89 min |
| Apr 17, 5:26 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion, Poweshiek | 49 min |
| Apr 17, 5:43 PM CDT | Special Weather Statement | DVN | Buchanan | 47 min |
| Apr 17, 5:50 PM CDT | Special Weather Statement | DVN | Benton | 40 min |
| Apr 17, 5:53 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 52 min |
| Apr 17, 6:23 PM CDT | Special Weather Statement | DMX | Wayne | 67 min |
| Apr 17, 6:23 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 47 min |
| Apr 17, 6:26 PM CDT | Special Weather Statement | DVN | Iowa, Johnson, Linn | 64 min |
| Apr 17, 6:52 PM CDT | Special Weather Statement | DMX | Appanoose | 53 min |
| Apr 17, 7:08 PM CDT | Special Weather Statement | DVN | Dubuque | 37 min |
| Apr 17, 7:14 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 31 min |
| Apr 17, 7:19 PM CDT | Special Weather Statement | DMX | Davis | 41 min |
| Apr 17, 7:42 PM CDT | Special Weather Statement | DVN | Muscatine | 63 min |
| Apr 17, 8:22 PM CDT | Special Weather Statement | DVN | Muscatine, Scott | 38 min |
| Apr 17, 8:46 PM CDT | Special Weather Statement | DVN | Scott | 44 min |
| Apr 18, 12:19 PM CDT | River Flood Warning | ARX | Allamakee | 21 days |
| Apr 22, 1:05 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 25 min |
| Apr 22, 9:46 AM CDT | River Flood Warning | DMX | Palo Alto, Pocahontas | 60 hr |
| Apr 22, 1:28 PM CDT | Special Weather Statement | DVN | Louisa | 32 min |
| Apr 22, 1:42 PM CDT | Special Weather Statement | DVN | Muscatine | 48 min |
| Apr 22, 2:10 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 42 min |
| Apr 22, 2:42 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 16 more | 2 hr |
| Apr 22, 3:07 PM CDT | Special Weather Statement | DVN | Clinton | 23 min |
| Apr 22, 3:20 PM CDT | Special Weather Statement | DVN | Benton, Buchanan | 25 min |
| Apr 22, 3:25 PM CDT | Special Weather Statement | DVN | Benton, Buchanan | 2 hr |
| Apr 22, 3:26 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Linn | 64 min |
| Apr 22, 3:30 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Linn | 60 min |
| Apr 22, 3:33 PM CDT | Special Weather Statement | ARX | Clayton | 42 min |
| Apr 22, 4:19 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Jones, Linn | 56 min |
| Apr 22, 5:00 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson | 45 min |
| Apr 22, 5:09 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 40 min |
| Apr 22, 5:39 PM CDT | Special Weather Statement | DVN | Clinton | 66 min |
| Apr 22, 5:59 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 46 min |
| Apr 22, 6:19 PM CDT | Special Weather Statement | DVN | Cedar, Clinton, Louisa, Muscatine | 56 min |
| Apr 22, 6:46 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Muscatine, Scott | 59 min |
| Apr 25, 3:09 AM CDT | Dense Fog Advisory | DMX | Appanoose, Davis, Decatur, Jasper, Lucas, Mahaska and 6 more | 7 hr |
| Apr 25, 4:06 AM CDT | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Delaware, Des Moines, Henry and 11 more | 6 hr |
| Apr 26, 4:00 AM CDT | Winter Storm Watch | DMX | Bremer, Butler, Cerro Gordo, Emmet, Franklin, Hancock and 3 more | 11 hr |
| Apr 26, 4:02 AM CDT | Winter Storm Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 11 hr |
| Apr 26, 8:45 AM CDT | River Flood Warning | FSD | Lyon | 4 days |
| Apr 26, 8:45 AM CDT | River Flood Warning | FSD | Clay, Dickinson | 11 days |
| Apr 26, 8:45 AM CDT | River Flood Warning | FSD | Buena Vista, Clay | 11 days |
| Apr 26, 2:44 PM CDT | Winter Weather Advisory | FSD | Clay, Dickinson, Osceola | 22 hr |
| Apr 26, 2:48 PM CDT | Winter Storm Watch | DVN | Delaware, Dubuque, Jackson | 13 hr |
| Apr 26, 2:48 PM CDT | Winter Weather Advisory | DVN | Buchanan | 13 hr |
| Apr 26, 3:05 PM CDT | Winter Storm Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 24 hr |
| Apr 26, 3:24 PM CDT | Winter Storm Warning | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Franklin, Hancock and 3 more | 24 hr |
| Apr 26, 3:24 PM CDT | Winter Weather Advisory | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 9 more | 24 hr |
| Apr 26, 8:12 PM CDT | River Flood Warning | DMX | Palo Alto, Pocahontas | 21 days |
| Apr 27, 3:24 AM CDT | Frost Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 24 hr |
| Apr 27, 3:30 AM CDT | Winter Storm Warning | DVN | Buchanan, Delaware, Dubuque, Jackson | 10 hr |
| Apr 27, 3:30 AM CDT | Winter Weather Advisory | DVN | Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more | 17 hr |
| Apr 27, 5:14 AM CDT | Mesoscale Discussion | SPC | Bremer, Cerro Gordo, Chickasaw, Dickinson, Emmet, Floyd and 7 more | 6 hr |
| Apr 27, 9:54 AM CDT | River Flood Warning | FSD | Cherokee | 21 hr |
| Apr 27, 9:54 AM CDT | River Flood Warning | FSD | Clay | 3 days |
| Apr 27, 11:32 AM CDT | Mesoscale Discussion | SPC | Clayton, Dubuque | 6 hr |
| Apr 27, 2:48 PM CDT | Winter Weather Advisory | ARX | Allamakee, Clayton, Fayette, Winneshiek | 4 hr |
| Apr 27, 3:39 PM CDT | Freeze Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 17 hr |
| Apr 27, 3:40 PM CDT | Freeze Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 17 hr |
| Apr 27, 4:00 PM CDT | Freeze Warning | OAX | Harrison, Monona, Shelby | 11 hr |
| Apr 27, 7:05 PM CDT | Freeze Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 14 hr |
| Apr 28, 8:02 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass, Guthrie | 43 min |
| Apr 28, 8:30 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie, Madison | 45 min |
| Apr 28, 9:09 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 25 min |
| Apr 28, 10:40 PM CDT | Special Weather Statement | ARX | Clayton, Fayette | 50 min |
| Apr 29, 3:14 AM CDT | Special Weather Statement | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 3 more | 3 hr |
| Apr 29, 5:17 AM CDT | River Flood Warning | DMX | Davis, Wapello | 28 hr |
| Apr 29, 5:48 AM CDT | Special Weather Statement | DVN | Des Moines, Henry, Jefferson, Lee, Louisa, Muscatine and 2 more | 3 hr |
| Apr 29, 9:07 AM CDT | River Flood Warning | DVN | Lee | 3 days |
| Apr 29, 9:34 AM CDT | River Flood Warning | DVN | Clinton, Scott | 5 days |
| Apr 29, 10:31 AM CDT | River Flood Warning | DVN | Louisa | 21 days |
| Apr 29, 3:34 PM CDT | Flash Flood Watch | DVN | Cedar, Clinton, Des Moines, Henry, Jefferson, Johnson and 7 more | 41 hr |
| Apr 30, 1:53 AM CDT | Special Weather Statement | DVN | Lee, Van Buren | 82 min |
| Apr 30, 2:29 AM CDT | Severe Thunderstorm Warning | DVN | Lee | 19 min |
| Apr 30, 9:07 AM CDT | River Flood Warning | DVN | Des Moines, Henry, Lee | 3 days |
| Apr 30, 11:18 AM CDT | Flash Flood Warning | DVN | Des Moines, Henry, Jefferson, Lee, Louisa, Van Buren | 5 hr |
| Apr 30, 3:23 PM CDT | River Flood Warning | DVN | Van Buren | 34 hr |
| Apr 30, 3:25 PM CDT | River Flood Warning | DMX | Davis, Wapello | 31 hr |
| Apr 30, 3:54 PM CDT | Flash Flood Warning | DVN | Scott | 2 hr |
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 | 27 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 33 |
| Flooding | |
| Flash Flood Warning | 2 |
| River Flood Warning | 28 |
| Flash Flood Watch | 1 |
| River Flood Watch | 7 |
| River Flood Advisory | 2 |
| Winter | |
| Ice Storm Warning | 1 |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 6 |
| Cold | |
| Freeze Warning | 4 |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 6 |
| 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.
- Buchanan County16
- Benton County14
- Delaware County14
- Dubuque County14
- Muscatine County14
- Lee County13
- Linn County13
- Clinton County13
- Henry County12
- Scott County12
- Clay County11
- Jones County11
- Van Buren County11
- Des Moines County11
- Jackson County11
- Louisa County11
- Clayton County11
- Bremer County10
- Iowa County10
- Jefferson County10
- Johnson County10
- Fayette County10
- Cedar County10
- Lyon County9
- Cerro Gordo County9
- Franklin County9
- Kossuth County9
- Palo Alto County9
- Tama County9
- Chickasaw County9
- Winneshiek County9
- Dallas County9
- Allamakee County9
- Dickinson County8
- Pottawattamie County8
- Black Hawk County8
- Emmet County8
- Hancock County8
- Pocahontas County8
- Winnebago County8
59 more counties
- Guthrie County8
- Mills County7
- Butler County7
- Davis County7
- Poweshiek County7
- Worth County7
- Washington County7
- Floyd County7
- Mitchell County7
- Boone County7
- Polk County7
- Osceola County6
- Harrison County6
- Grundy County6
- Hamilton County6
- Hardin County6
- Humboldt County6
- Jasper County6
- Marion County6
- Marshall County6
- Wapello County6
- Wright County6
- Keokuk County6
- Howard County6
- Webster County6
- Greene County6
- Sioux County5
- Monona County5
- Appanoose County5
- Mahaska County5
- Story County5
- Montgomery County5
- Adair County5
- Fremont County5
- Buena Vista County4
- Cherokee County4
- Plymouth County4
- Woodbury County4
- Shelby County4
- Monroe County4
- Audubon County4
- Carroll County4
- Cass County4
- Decatur County4
- Lucas County4
- Madison County4
- Wayne County4
- Page County4
- Crawford County3
- Sac County3
- Calhoun County3
- Clarke County3
- Union County3
- Warren County3
- Ida County2
- O'Brien County2
- Adams County2
- Ringgold County2
- Taylor County2
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.