Alert archive / Iowa / 2009
Weather alerts in Iowa, February 2009
78 weather alerts in February 2009, 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 2009. Tap one for its archive.
- Alerts
- 78
- Warnings
- 43
- Watches
- 7
- Advisories
- 23
- Busiest day
- February 26, 200917 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 2, 3:00 PM CST | Wind Chill Advisory | FSD | Buena Vista, Clay, Dickinson, O'Brien, Osceola | 19 hr |
| Feb 2, 3:16 PM CST | Wind Chill Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 19 hr |
| Feb 2, 3:16 PM CST | Wind Chill Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 19 hr |
| Feb 2, 3:20 PM CST | Wind Chill Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 19 hr |
| Feb 7, 7:56 PM CST | River Flood Warning | DVN | Johnson, Washington | 13 hr |
| Feb 8, 3:21 AM CST | River Flood Warning | DVN | Iowa, Johnson | 9 days |
| Feb 8, 6:46 AM CST | River Flood Warning | DMX | Mahaska | 5 days |
| Feb 9, 3:13 AM CST | Wind Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 24 hr |
| Feb 9, 8:43 AM CST | Mesoscale Discussion | SPC | Adams, Fremont, Montgomery, Page, Ringgold, Taylor | 32 min |
| Feb 9, 10:51 AM CST | Dense Fog Advisory | ARX | Howard, Mitchell | 3 hr |
| Feb 9, 12:00 PM CST | Wind Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 16 hr |
| Feb 9, 2:58 PM CST | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 15 hr |
| Feb 9, 11:39 PM CST | River Flood Warning | DMX | Polk | 6 days |
| Feb 10, 8:34 AM CST | River Flood Warning | OAX | Monona | 4 hr |
| Feb 10, 9:49 AM CST | River Flood Warning | DVN | Johnson, Louisa, Washington | 56 hr |
| Feb 10, 9:55 AM CST | River Flood Warning | DMX | Polk | 5 days |
| Feb 10, 11:19 AM CST | River Flood Warning | DVN | Jackson | 9 hr |
| Feb 11, 3:23 AM CST | River Flood Warning | DMX | Cerro Gordo, Floyd, Worth | 10 hr |
| Feb 11, 7:34 AM CST | Flash Flood Warning | DVN | Clinton, Scott | 6 hr |
| Feb 11, 9:46 AM CST | River Flood Warning | FSD | Sioux | 3 days |
| Feb 11, 9:46 AM CST | River Flood Warning | FSD | Plymouth | 3 days |
| Feb 11, 9:46 AM CST | River Flood Warning | FSD | Clay, O'Brien | 4 days |
| Feb 11, 9:46 AM CST | River Flood Warning | FSD | Dickinson | 3 days |
| Feb 11, 9:46 AM CST | River Flood Warning | FSD | Clay, Dickinson | 53 hr |
| Feb 11, 9:46 AM CST | River Flood Warning | FSD | Cherokee | 67 hr |
| Feb 11, 9:51 AM CST | Flash Flood Warning | DMX | Webster | 6 hr |
| Feb 11, 1:02 PM CST | Winter Storm Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 25 hr |
| Feb 11, 1:14 PM CST | Areal Flood Warning | DVN | Clinton, Des Moines, Lee, Scott | 78 days |
| Feb 11, 3:22 PM CST | River Flood Warning | DMX | Boone, Webster | 6 hr |
| Feb 11, 3:47 PM CST | Flash Flood Warning | DMX | Tama | 6 hr |
| Feb 11, 3:52 PM CST | River Flood Warning | DMX | Webster | 5 hr |
| Feb 11, 3:52 PM CST | Winter Storm Watch | DMX | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 25 more | 36 hr |
| Feb 11, 9:30 PM CST | River Flood Warning | DMX | Black Hawk, Butler | 31 hr |
| Feb 11, 9:56 PM CST | Areal Flood Warning | DMX | Tama | 12 hr |
| Feb 12, 1:20 AM CST | Areal Flood Warning | DVN | Clinton, Scott | 36 hr |
| Feb 12, 9:57 AM CST | Flash Flood Watch | DMX | Webster | 48 hr |
| Feb 12, 1:44 PM CST | Winter Storm Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 27 hr |
| Feb 12, 1:44 PM CST | Winter Weather Advisory | OAX | Monona | 24 hr |
| Feb 13, 4:03 AM CST | Winter Storm Warning | DMX | Adair, Adams, Audubon, Cass, Clarke, Dallas and 8 more | 17 hr |
| Feb 13, 4:03 AM CST | Winter Weather Advisory | DMX | Appanoose, Boone, Carroll, Clarke, Crawford, Dallas and 17 more | 19 hr |
| Feb 13, 11:07 AM CST | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 23 more | 3 hr |
| Feb 14, 2:23 PM CST | River Flood Warning | DMX | Black Hawk, Butler | 29 hr |
| Feb 17, 11:34 PM CST | Severe Thunderstorm Warning | DMX | Wapello | 26 min |
| Feb 19, 2:47 PM CST | Winter Storm Watch | DVN | Cedar, Clinton, Dubuque, Jackson, Jones, Muscatine and 1 more | 14 hr |
| Feb 20, 3:37 AM CST | Winter Weather Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 35 hr |
| Feb 20, 3:53 AM CST | Winter Weather Advisory | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 10 more | 32 hr |
| Feb 20, 4:17 AM CST | Winter Storm Warning | DVN | Buchanan, Clinton, Delaware, Dubuque, Jackson, Jones | 35 hr |
| Feb 20, 4:17 AM CST | Winter Weather Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 35 hr |
| Feb 20, 3:34 PM CST | Winter Storm Warning | ARX | Clayton, Fayette | 13 hr |
| Feb 20, 3:56 PM CST | Winter Storm Warning | DMX | Black Hawk, Bremer, Butler | 11 hr |
| Feb 24, 3:21 PM CST | Winter Storm Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 36 hr |
| Feb 24, 4:11 PM CST | Winter Storm Watch | FSD | Clay, Dickinson, Osceola | 23 hr |
| Feb 25, 3:59 AM CST | Winter Storm Watch | DMX | Bremer, Butler, Cerro Gordo, Emmet, Franklin, Hancock and 7 more | 17 hr |
| Feb 25, 4:15 AM CST | Winter Storm Warning | FSD | Dickinson | 41 hr |
| Feb 25, 11:07 AM CST | Winter Weather Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 29 hr |
| Feb 25, 3:10 PM CST | Winter Weather Advisory | OAX | Monona | 21 hr |
| Feb 25, 9:25 PM CST | Winter Storm Warning | DMX | Cerro Gordo, Emmet, Hancock, Kossuth, Palo Alto, Winnebago and 1 more | 18 hr |
| Feb 25, 9:25 PM CST | Winter Weather Advisory | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Carroll and 14 more | 18 hr |
| Feb 26, 3:07 AM CST | Winter Weather Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 21 hr |
| Feb 26, 6:33 AM CST | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 18 more | 5 hr |
| Feb 26, 8:34 AM CST | Severe Thunderstorm Warning | OAX | Monona | 41 min |
| Feb 26, 9:05 AM CST | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 25 min |
| Feb 26, 9:26 AM CST | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Boone and 40 more | 2 hr |
| Feb 26, 10:09 AM CST | Dense Fog Advisory | DVN | Des Moines, Henry, Jefferson, Lee, Louisa, Muscatine and 3 more | 4 hr |
| Feb 26, 10:43 AM CST | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 36 min |
| Feb 26, 11:20 AM CST | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 40 min |
| Feb 26, 11:22 AM CST | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Greene | 23 min |
| Feb 26, 11:42 AM CST | Severe Thunderstorm Warning | DMX | Adair, Cass | 33 min |
| Feb 26, 12:32 PM CST | Severe Thunderstorm Warning | DMX | Dallas, Jasper, Madison, Polk | 43 min |
| Feb 26, 12:45 PM CST | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 30 min |
| Feb 26, 1:07 PM CST | Severe Thunderstorm Warning | DVN | Benton | 38 min |
| Feb 26, 1:21 PM CST | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Wapello | 39 min |
| Feb 26, 3:41 PM CST | Areal Flood Advisory | DMX | Wapello | 54 min |
| Feb 27, 3:35 AM CST | Winter Weather Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 33 hr |
| Feb 27, 4:19 AM CST | Winter Weather Advisory | FSD | Plymouth, Woodbury | 23 hr |
| Feb 27, 3:06 PM CST | Winter Weather Advisory | DMX | Adair, Adams, Audubon, Carroll, Cass, Clarke and 7 more | 16 hr |
| Feb 27, 6:22 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Fremont, Harrison and 9 more | 4 hr |
| Feb 28, 8:45 AM CST | Winter Weather Advisory | DMX | Adams, Decatur, Ringgold, Taylor, Union | 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 | 11 |
| Mesoscale Discussion | 5 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 3 |
| River Flood Warning | 19 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 7 |
| Winter Storm Watch | 6 |
| Winter Weather Advisory | 13 |
| Cold | |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County10
- Polk County10
- Taylor County10
- Monona County10
- Adair County9
- Audubon County9
- Cass County9
- Madison County9
- Ringgold County9
- Tama County9
- Union County9
- Webster County9
- Dickinson County8
- Boone County8
- Butler County8
- Carroll County8
- Clarke County8
- Dallas County8
- Decatur County8
- Greene County8
- Wapello County8
- Clinton County8
- Montgomery County8
- Page County8
- Shelby County8
- Clay County7
- Black Hawk County7
- Crawford County7
- Guthrie County7
- Marshall County7
- Story County7
- Warren County7
- Worth County7
- Scott County7
- Fremont County7
- Pottawattamie County7
- Appanoose County6
- Bremer County6
- Cerro Gordo County6
- Davis County6
59 more counties
- Emmet County6
- Hancock County6
- Jasper County6
- Kossuth County6
- Mahaska County6
- Marion County6
- Palo Alto County6
- Winnebago County6
- Wright County6
- Jackson County6
- Johnson County6
- Washington County6
- Harrison County6
- Mills County6
- O'Brien County5
- Osceola County5
- Calhoun County5
- Franklin County5
- Hamilton County5
- Humboldt County5
- Lucas County5
- Monroe County5
- Pocahontas County5
- Poweshiek County5
- Sac County5
- Wayne County5
- Des Moines County5
- Lee County5
- Louisa County5
- Muscatine County5
- Clayton County5
- Fayette County5
- Floyd County5
- Howard County5
- Mitchell County5
- Plymouth County5
- Woodbury County5
- Buena Vista County4
- Grundy County4
- Hardin County4
- Benton County4
- Buchanan County4
- Cedar County4
- Delaware County4
- Dubuque County4
- Henry County4
- Iowa County4
- Jefferson County4
- Jones County4
- Van Buren County4
- Allamakee County4
- Chickasaw County4
- Winneshiek County4
- Cherokee County4
- Ida County4
- Sioux County4
- Keokuk County3
- Lyon County3
- Linn County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.