Alert archive / Iowa / 2009
Weather alerts in Iowa, November 2009
16 weather alerts in November 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 November 2009. Tap one for its archive.
- Alerts
- 16
- Warnings
- 4
- Watches
- 2
- Advisories
- 10
- Busiest day
- November 21, 20094 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 31, 8:00 PM CDT | River Flood Warning | DMX | Black Hawk | 64 hr |
| Nov 1, 7:52 AM CST | River Flood Warning | DMX | Black Hawk, Bremer, Butler | 58 hr |
| Nov 2, 10:22 AM CST | River Flood Warning | DVN | Des Moines, Lee | 43 hr |
| Nov 15, 2:55 PM CST | Winter Weather Advisory | OAX | Fremont, Page | 30 hr |
| Nov 16, 3:34 AM CST | Flood Watch | DMX | Appanoose, Davis, Lucas, Mahaska, Marion, Monroe and 2 more | 31 hr |
| Nov 16, 3:35 AM CST | Winter Weather Advisory | DMX | Adams, Ringgold, Taylor, Union | 17 hr |
| Nov 16, 4:01 AM CST | Flood Watch | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 2 more | 33 hr |
| Nov 17, 11:15 AM CST | River Flood Warning | DVN | Lee | 17 hr |
| Nov 20, 3:54 AM CST | Dense Fog Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 6 hr |
| Nov 20, 4:05 AM CST | Dense Fog Advisory | DMX | Adair, Adams, Audubon, Black Hawk, Boone, Calhoun and 32 more | 6 hr |
| Nov 20, 10:18 AM CST | Dense Fog Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie, Shelby | 102 min |
| Nov 20, 9:27 PM CST | Dense Fog Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 35 more | 13 hr |
| Nov 20, 9:28 PM CST | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 13 hr |
| Nov 20, 9:48 PM CST | Dense Fog Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 12 hr |
| Nov 20, 9:56 PM CST | Dense Fog Advisory | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 14 hr |
| Nov 24, 3:56 AM CST | Dense Fog Advisory | DVN | Cedar, Clinton, Jackson, Jones, Muscatine, Scott | 5 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| River Flood Warning | 4 |
| Flood Watch | 2 |
| Winter | |
| Winter Weather Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Black Hawk County4
- Lee County4
- Fremont County4
- Page County4
- Des Moines County3
- Lucas County3
- Marion County3
- Adams County3
- Ringgold County3
- Taylor County3
- Union County3
- Mills County3
- Montgomery County3
- Pottawattamie County3
- Shelby County3
- Bremer County2
- Butler County2
- Appanoose County2
- Davis County2
- Mahaska County2
- Monroe County2
- Wapello County2
- Wayne County2
- Henry County2
- Jefferson County2
- Keokuk County2
- Louisa County2
- Van Buren County2
- Washington County2
- Harrison County2
- Adair County2
- Audubon County2
- Boone County2
- Cass County2
- Clarke County2
- Dallas County2
- Decatur County2
- Greene County2
- Grundy County2
- Guthrie County2
48 more counties
- Hamilton County2
- Hardin County2
- Jasper County2
- Madison County2
- Marshall County2
- Polk County2
- Poweshiek County2
- Story County2
- Tama County2
- Warren County2
- Wright County2
- Cedar County2
- Clinton County2
- Jackson County2
- Jones County2
- Muscatine County2
- Scott County2
- Monona County1
- Calhoun County1
- Carroll County1
- Crawford County1
- Emmet County1
- Humboldt County1
- Kossuth County1
- Palo Alto County1
- Pocahontas County1
- Sac County1
- Webster County1
- Cerro Gordo County1
- Franklin County1
- Hancock County1
- Winnebago County1
- Worth County1
- Benton County1
- Buchanan County1
- Delaware County1
- Dubuque County1
- Iowa County1
- Johnson County1
- Linn County1
- Allamakee County1
- Chickasaw County1
- Clayton County1
- Fayette County1
- Floyd County1
- Howard County1
- Mitchell County1
- Winneshiek County1
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. Warning verification from the Mesonet's Cow. Rebuilt daily.