Alert archive / Iowa / 2012
Weather alerts in Iowa, October 2012
51 weather alerts in October 2012, 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 October 2012. Tap one for its archive.
- Alerts
- 51
- Warnings
- 15
- Watches
- 8
- Advisories
- 12
- Busiest day
- October 5, 20126 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 |
|---|---|---|---|---|
| Oct 2, 3:22 PM CDT | Fire Weather Watch | FSD | 12 hr | |
| Oct 2, 3:30 PM CDT | Fire Weather Watch | OAX | Harrison, Monona, Pottawattamie, Shelby | 12 hr |
| Oct 3, 3:41 AM CDT | Red Flag Warning | FSD | 15 hr | |
| Oct 3, 3:49 AM CDT | Red Flag Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 15 hr |
| Oct 3, 3:32 PM CDT | Wind Advisory | FSD | Lyon, Plymouth, Sioux, Woodbury | 26 hr |
| Oct 4, 3:20 PM CDT | Special Weather Statement | DVN | Lee | 55 min |
| Oct 4, 3:28 PM CDT | Freeze Warning | OAX | Harrison, Monona, Shelby | 18 hr |
| Oct 5, 3:44 AM CDT | Freeze Watch | DMX | Appanoose, Clarke, Davis, Decatur, Lucas, Monroe and 5 more | 12 hr |
| Oct 5, 3:46 AM CDT | Frost Advisory | ARX | Allamakee, Clayton | 24 hr |
| Oct 5, 1:12 PM CDT | Freeze Warning | DVN | Cedar, Clinton, Des Moines, Henry, Iowa, Jefferson and 8 more | 20 hr |
| Oct 5, 3:40 PM CDT | Freeze Warning | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 18 hr |
| Oct 5, 3:40 PM CDT | Hard Freeze Warning | OAX | Monona | 18 hr |
| Oct 5, 3:46 PM CDT | Freeze Warning | DMX | Adams, Appanoose, Clarke, Davis, Decatur, Lucas and 6 more | 17 hr |
| Oct 6, 3:42 AM CDT | Freeze Warning | ARX | Allamakee, Clayton | 28 hr |
| Oct 6, 3:10 PM CDT | Freeze Warning | DVN | Des Moines, Henry, Jefferson, Lee, Louisa, Muscatine and 2 more | 18 hr |
| Oct 7, 2:14 PM CDT | Fire Weather Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 14 hr |
| Oct 7, 2:35 PM CDT | Fire Weather Watch | FSD | 13 hr | |
| Oct 7, 3:37 PM CDT | Fire Weather Watch | DMX | Bremer, Butler, Cerro Gordo, Emmet, Franklin, Hancock and 7 more | 12 hr |
| Oct 8, 3:14 AM CDT | Red Flag Warning | FSD | 16 hr | |
| Oct 8, 3:25 AM CDT | Red Flag Warning | DMX | Bremer, Butler, Calhoun, Carroll, Cerro Gordo, Crawford and 13 more | 16 hr |
| Oct 8, 3:33 AM CDT | Red Flag Warning | OAX | Harrison, Monona, Pottawattamie, Shelby | 14 hr |
| Oct 8, 3:48 AM CDT | Red Flag Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 15 hr |
| Oct 13, 2:14 AM CDT | Special Weather Statement | OAX | Pottawattamie | 31 min |
| Oct 13, 7:04 PM CDT | Mesoscale Discussion | SPC | Adams, Fremont, Mills, Montgomery, Page, Pottawattamie and 1 more | 56 min |
| Oct 13, 7:45 PM CDT | Special Weather Statement | OAX | Fremont | 45 min |
| Oct 15, 3:41 PM CDT | Fire Weather Watch | FSD | 22 hr | |
| Oct 16, 2:05 PM CDT | Red Flag Warning | FSD | 29 hr | |
| Oct 16, 2:46 PM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 61 hr |
| Oct 16, 2:46 PM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 61 hr |
| Oct 16, 3:38 PM CDT | Wind Advisory | OAX | Harrison, Mills, Monona, Pottawattamie, Shelby | 27 hr |
| Oct 17, 3:28 PM CDT | Wind Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 37 hr |
| Oct 18, 4:10 AM CDT | Wind Advisory | DMX | Adair, Adams, Audubon, Calhoun, Carroll, Cass and 14 more | 15 hr |
| Oct 22, 1:08 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 49 more | 3 hr |
| Oct 22, 6:13 AM CDT | Special Weather Statement | DVN | Iowa, Jefferson, Keokuk, Washington | 62 min |
| Oct 22, 6:49 AM CDT | Special Weather Statement | DVN | Benton, Des Moines, Iowa, Johnson, Louisa, Muscatine and 1 more | 56 min |
| Oct 22, 7:16 AM CDT | Special Weather Statement | DVN | Benton, Buchanan, Cedar, Johnson, Jones, Linn and 2 more | 59 min |
| Oct 22, 7:50 AM CDT | Special Weather Statement | DVN | Cedar, Clinton, Delaware, Jones, Linn, Muscatine and 1 more | 55 min |
| Oct 22, 8:41 AM CDT | Special Weather Statement | DVN | Clinton, Delaware, Dubuque, Jackson, Scott | 79 min |
| Oct 23, 5:35 AM CDT | Dense Fog Advisory | FSD | Dickinson, Lyon, Osceola | 6 hr |
| Oct 23, 3:03 PM CDT | Dense Fog Advisory | ARX | Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 18 hr |
| Oct 23, 9:23 PM CDT | Dense Fog Advisory | DMX | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 24 more | 13 hr |
| Oct 23, 9:25 PM CDT | Dense Fog Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 10 hr |
| Oct 23, 9:40 PM CDT | Dense Fog Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 6 hr |
| Oct 24, 6:38 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 23 more | 2 hr |
| Oct 24, 11:20 PM CDT | Mesoscale Discussion | SPC | Audubon, Calhoun, Carroll, Cass, Crawford, Fremont and 11 more | 115 min |
| Oct 25, 1:32 AM CDT | Special Weather Statement | OAX | Harrison, Monona | 28 min |
| Oct 25, 1:55 AM CDT | Special Weather Statement | OAX | Harrison, Monona, Pottawattamie, Shelby | 35 min |
| Oct 25, 2:13 AM CDT | Special Weather Statement | OAX | Harrison | 17 min |
| Oct 25, 11:32 AM CDT | Special Weather Statement | DVN | Dubuque | 58 min |
| Oct 25, 3:05 PM CDT | Freeze Watch | DVN | Des Moines, Henry, Jefferson, Lee, Van Buren | 24 hr |
| Oct 26, 3:17 PM CDT | Freeze Warning | DVN | Des Moines, Henry, Jefferson, Lee, Van Buren | 17 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 | |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 12 |
| Cold | |
| Freeze Warning | 7 |
| Hard Freeze Warning | 1 |
| Freeze Watch | 2 |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 7 |
| Fire Weather Watch | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Harrison County12
- Pottawattamie County12
- Monona County11
- Shelby County11
- Fremont County8
- Mills County8
- Montgomery County6
- Page County6
- Taylor County6
- Jefferson County6
- Lyon County5
- Woodbury County5
- Lee County5
- Allamakee County5
- Clayton County5
- Des Moines County5
- Iowa County5
- Muscatine County5
- Scott County5
- Van Buren County5
- Adams County5
- Bremer County5
- Butler County5
- Calhoun County5
- Carroll County5
- Greene County5
- Plymouth County4
- Sioux County4
- Clarke County4
- Decatur County4
- Lucas County4
- Monroe County4
- Ringgold County4
- Union County4
- Henry County4
- Johnson County4
- Keokuk County4
- Washington County4
- Chickasaw County4
- Floyd County4
59 more counties
- Howard County4
- Winneshiek County4
- Emmet County4
- Franklin County4
- Palo Alto County4
- Pocahontas County4
- Wright County4
- Crawford County4
- Sac County4
- Webster County4
- Dickinson County4
- Ida County4
- Osceola County4
- Audubon County4
- Cass County4
- Guthrie County4
- Benton County4
- Linn County4
- Appanoose County3
- Davis County3
- Wapello County3
- Wayne County3
- Cedar County3
- Clinton County3
- Louisa County3
- Fayette County3
- Mitchell County3
- Cerro Gordo County3
- Hancock County3
- Humboldt County3
- Kossuth County3
- Winnebago County3
- Worth County3
- Buena Vista County3
- Cherokee County3
- Clay County3
- O'Brien County3
- Adair County3
- Black Hawk County3
- Buchanan County3
- Grundy County3
- Hardin County3
- Delaware County3
- Dallas County2
- Madison County2
- Boone County2
- Hamilton County2
- Jasper County2
- Mahaska County2
- Marion County2
- Marshall County2
- Polk County2
- Poweshiek County2
- Story County2
- Tama County2
- Warren County2
- Jones County2
- Dubuque County2
- Jackson County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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. Warning verification from the Mesonet's Cow. Rebuilt daily.