Alert archive / Iowa / Winter Storm Warnings

Winter Storm Warnings in Iowa, 2009

26 winter storm warnings in 2009. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of winter storm warnings reaches back to 2005.

Winter Storm Warnings by county

Each county as a circle sized by its count in 2009. Tap one for its archive.

Winter Storm Warnings
26
Busiest month
December9 winter storm warnings
Busiest day
December 7, 20095 winter storm warnings

Over time

By month

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.

IssuedProductOfficeCountiesLasted
Jan 10, 2:39 AM CSTWinter Storm WarningDMXJasper, Marshall, Polk, Poweshiek, Story, Tama6 hr
Jan 10, 3:04 AM CSTWinter Storm WarningDVNBenton, Cedar, Dubuque, Iowa, Jackson, Johnson and 2 more9 hr
Jan 12, 3:41 AM CSTWinter Storm WarningARXChickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek20 hr
Feb 12, 1:44 PM CSTWinter Storm WarningOAXFremont, Harrison, Mills, Monona, Montgomery, Page and 2 more27 hr
Feb 13, 4:03 AM CSTWinter Storm WarningDMXAdair, Adams, Audubon, Cass, Clarke, Dallas and 8 more17 hr
Feb 20, 4:17 AM CSTWinter Storm WarningDVNBuchanan, Clinton, Delaware, Dubuque, Jackson, Jones35 hr
Feb 20, 3:34 PM CSTWinter Storm WarningARXClayton, Fayette13 hr
Feb 20, 3:56 PM CSTWinter Storm WarningDMXBlack Hawk, Bremer, Butler11 hr
Feb 25, 4:15 AM CSTWinter Storm WarningFSDDickinson41 hr
Feb 25, 9:25 PM CSTWinter Storm WarningDMXCerro Gordo, Emmet, Hancock, Kossuth, Palo Alto, Winnebago and 1 more18 hr
Mar 8, 12:11 PM CDTWinter Storm WarningARXAllamakee, Chickasaw, Howard, Winneshiek7 hr
Mar 28, 3:33 AM CDTWinter Storm WarningDVNCedar, Clinton, Des Moines, Dubuque, Henry, Jackson and 11 more24 hr
Mar 28, 3:59 AM CDTWinter Storm WarningDMXAppanoose, Davis, Decatur, Lucas, Mahaska, Marion and 3 more21 hr
Apr 4, 3:20 AM CDTWinter Storm WarningOAXHarrison, Mills, Monona, Pottawattamie, Shelby32 hr
Apr 4, 4:23 AM CDTWinter Storm WarningDMXAudubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 23 more39 hr
Apr 4, 10:53 AM CDTWinter Storm WarningARXAllamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more24 hr
Apr 4, 3:43 PM CDTWinter Storm WarningDVNBenton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more28 hr
Dec 7, 4:04 AM CSTWinter Storm WarningOAXFremont, Harrison, Mills, Monona, Montgomery, Page and 2 more41 hr
Dec 7, 2:59 PM CSTWinter Storm WarningFSDBuena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more23 hr
Dec 7, 3:42 PM CSTWinter Storm WarningDMXAdair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more29 hr
Dec 7, 3:45 PM CSTWinter Storm WarningDVNBenton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more50 hr
Dec 7, 3:50 PM CSTWinter Storm WarningARXAllamakee, Clayton22 hr
Dec 22, 4:30 AM CSTWinter Storm WarningFSDBuena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more4 days
Dec 22, 3:47 PM CSTWinter Storm WarningOAXFremont, Harrison, Mills, Monona, Montgomery, Page and 2 more56 hr
Dec 23, 3:58 AM CSTWinter Storm WarningARXAllamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more48 hr
Dec 23, 5:07 AM CSTWinter Storm WarningDMXAdair, Adams, Audubon, Black Hawk, Boone, Bremer and 36 more71 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

59 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. December 7, 20095winter storm warnings
  2. April 4, 20094winter storm warnings
  3. February 20, 20093winter storm warnings
  4. January 10, 20092winter storm warnings
  5. March 28, 20092winter storm warnings
  6. December 22, 20092winter storm warnings
  7. December 23, 20092winter storm warnings
  8. January 12, 20091winter storm warnings
  9. February 12, 20091winter storm warnings
  10. February 13, 20091winter storm warnings
  11. February 25, 20091winter storm warnings
  12. February 26, 20091winter storm warnings

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.