Alert archive / Iowa / 2011
Weather alerts in Iowa, November 2011
25 weather alerts in November 2011, 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 November 2011. Tap one for its archive.
- Alerts
- 25
- Warnings
- 1
- Watches
- 2
- Advisories
- 21
- Busiest day
- November 15, 20114 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 |
|---|---|---|---|---|
| Nov 3, 2:45 PM CDT | Red Flag Warning | FSD | 27 hr | |
| Nov 4, 3:37 AM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 47 hr |
| Nov 4, 3:56 PM CDT | Wind Advisory | OAX | Harrison, Monona | 27 hr |
| Nov 4, 3:57 PM CDT | Wind Advisory | DMX | Calhoun, Carroll, Crawford, Emmet, Kossuth, Palo Alto and 3 more | 36 hr |
| Nov 7, 3:09 PM CST | Winter Storm Watch | DMX | Butler, Cerro Gordo, Franklin, Hamilton, Hancock, Hardin and 6 more | 13 hr |
| Nov 7, 3:35 PM CST | Winter Storm Watch | ARX | Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 23 hr |
| Nov 8, 3:42 AM CST | Winter Weather Advisory | DMX | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 36 more | 29 hr |
| Nov 8, 2:48 PM CST | Winter Weather Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Winneshiek | 24 hr |
| Nov 8, 3:35 PM CST | Winter Weather Advisory | DVN | Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more | 12 hr |
| Nov 9, 3:38 AM CST | Winter Weather Advisory | DVN | Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more | 8 hr |
| Nov 9, 4:41 AM CST | Mesoscale Discussion | SPC | Allamakee, Bremer, Buchanan, Chickasaw, Clayton, Delaware and 2 more | 4 hr |
| Nov 15, 3:18 AM CST | Wind Advisory | ARX | Chickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek | 15 hr |
| Nov 15, 3:23 AM CST | Wind Advisory | OAX | Monona | 11 hr |
| Nov 15, 3:25 AM CST | Wind Advisory | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Carroll and 21 more | 14 hr |
| Nov 15, 3:26 AM CST | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 14 hr |
| Nov 19, 3:43 AM CST | Winter Weather Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 14 hr |
| Nov 19, 6:38 AM CST | Winter Weather Advisory | OAX | Harrison, Monona, Shelby | 8 hr |
| Nov 19, 10:16 AM CST | Winter Weather Advisory | DMX | Calhoun, Crawford, Emmet, Humboldt, Kossuth, Palo Alto and 2 more | 5 hr |
| Nov 19, 3:30 PM CST | Winter Weather Advisory | ARX | Chickasaw, Floyd, Howard, Mitchell | 6 hr |
| Nov 22, 10:28 PM CST | Dense Fog Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 12 hr |
| Nov 23, 3:27 AM CST | Dense Fog Advisory | OAX | Fremont, Harrison, Mills, Monona, Pottawattamie | 6 hr |
| Nov 23, 4:53 AM CST | Dense Fog Advisory | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 2 more | 7 hr |
| Nov 25, 4:30 AM CST | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 41 hr |
| Nov 25, 3:31 PM CST | Wind Advisory | DMX | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 25 more | 29 hr |
| Nov 25, 3:34 PM CST | Wind Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 26 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 | 1 |
| Winter | |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 8 |
| Wind and dust | |
| Wind Advisory | 10 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Buena Vista County5
- Cherokee County5
- Clay County5
- Dickinson County5
- Ida County5
- Lyon County5
- O'Brien County5
- Osceola County5
- Plymouth County5
- Sioux County5
- Woodbury County5
- Monona County5
- Calhoun County5
- Crawford County5
- Kossuth County5
- Humboldt County5
- Chickasaw County5
- Harrison County4
- Carroll County4
- Emmet County4
- Palo Alto County4
- Pocahontas County4
- Sac County4
- Winnebago County4
- Cerro Gordo County4
- Franklin County4
- Hamilton County4
- Hancock County4
- Hardin County4
- Webster County4
- Worth County4
- Wright County4
- Floyd County4
- Winneshiek County4
- Butler County3
- Howard County3
- Mitchell County3
- Boone County3
- Bremer County3
- Greene County3
50 more counties
- Story County3
- Fayette County3
- Buchanan County3
- Delaware County3
- Adair County2
- Adams County2
- Audubon County2
- Black Hawk County2
- Cass County2
- Dallas County2
- Grundy County2
- Guthrie County2
- Madison County2
- Marshall County2
- Polk County2
- Tama County2
- Taylor County2
- Union County2
- Allamakee County2
- Clayton County2
- Benton County2
- Dubuque County2
- Jackson County2
- Jones County2
- Linn County2
- Shelby County2
- Fremont County2
- Mills County2
- Pottawattamie County2
- Clarke County1
- Decatur County1
- Jasper County1
- Lucas County1
- Mahaska County1
- Marion County1
- Monroe County1
- Poweshiek County1
- Ringgold County1
- Warren County1
- Wayne County1
- Des Moines County1
- Henry County1
- Jefferson County1
- Keokuk County1
- Lee County1
- Louisa County1
- Van Buren County1
- Washington County1
- Montgomery County1
- Page County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.