Alert archive / Iowa / Severe Thunderstorm Watches

Severe Thunderstorm Watches in Iowa, 2004

63 severe thunderstorm watches in 2004. 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 severe thunderstorm watches reaches back to 1997.

Severe Thunderstorm Watches by county

Each county as a circle sized by its count in 2004. Tap one for its archive.

Severe Thunderstorm Watches
63
Busiest month
May22 severe thunderstorm watches
Busiest day
May 8, 20043 severe thunderstorm watches

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
Mar 1, 11:30 AM CSTSevere Thunderstorm WatchSPCBuchanan, Cedar, Clayton, Clinton, Delaware, Des Moines and 12 more6 hr
Apr 16, 3:45 PM CDTSevere Thunderstorm WatchSPCAudubon, Black Hawk, Boone, Bremer, Buena Vista, Butler and 35 more6 hr
Apr 16, 9:45 PM CDTSevere Thunderstorm WatchSPCBenton, Black Hawk, Buchanan, Cedar, Delaware, Grundy and 11 more4 hr
Apr 17, 7:45 PM CDTSevere Thunderstorm WatchSPCAllamakee, Cerro Gordo, Chickasaw, Emmet, Floyd, Hancock and 7 more5 hr
Apr 17, 11:35 PM CDTSevere Thunderstorm WatchSPCClay, Dickinson, Lyon, O'Brien, Osceola, Sioux5 hr
Apr 20, 4:40 PM CDTSevere Thunderstorm WatchSPCAppanoose, Clarke, Davis, Decatur, Henry, Jefferson and 13 more5 hr
Apr 20, 6:25 PM CDTSevere Thunderstorm WatchSPCFremont, Harrison, Mills, Monona, Montgomery, Page and 2 more5 hr
May 7, 5:25 PM CDTSevere Thunderstorm WatchSPCAllamakee, Buchanan, Clayton, Delaware, Dubuque, Fayette and 4 more6 hr
May 7, 10:20 PM CDTSevere Thunderstorm WatchSPCBlack Hawk, Boone, Bremer, Buena Vista, Butler, Calhoun and 38 more6 hr
May 8, 12:50 AM CDTSevere Thunderstorm WatchSPCAllamakee, Winneshiek6 hr
May 8, 3:45 PM CDTSevere Thunderstorm WatchSPCAudubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 38 more5 hr
May 8, 8:25 PM CDTSevere Thunderstorm WatchSPCAdair, Adams, Allamakee, Appanoose, Audubon, Benton and 58 more6 hr
May 9, 2:30 PM CDTSevere Thunderstorm WatchSPCLyon, Sioux6 hr
May 9, 7:55 PM CDTSevere Thunderstorm WatchSPCCherokee, Dickinson, Lyon, O'Brien, Osceola, Plymouth and 2 more4 hr
May 12, 12:20 PM CDTSevere Thunderstorm WatchSPCAllamakee, Cerro Gordo, Chickasaw, Clayton, Fayette, Floyd and 5 more6 hr
May 17, 4:45 PM CDTSevere Thunderstorm WatchSPCAdair, Adams, Appanoose, Audubon, Boone, Cass and 26 more5 hr
May 17, 7:15 PM CDTSevere Thunderstorm WatchSPCBenton, Black Hawk, Buchanan, Cedar, Clayton, Clinton and 17 more5 hr
May 19, 5:35 PM CDTSevere Thunderstorm WatchSPCAdair, Audubon, Boone, Calhoun, Carroll, Cass and 24 more5 hr
May 20, 3:35 PM CDTSevere Thunderstorm WatchSPCBenton, Black Hawk, Buchanan, Cedar, Clinton, Delaware and 15 more6 hr
May 21, 1:20 AM CDTSevere Thunderstorm WatchSPCAudubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 19 more6 hr
May 21, 2:35 AM CDTSevere Thunderstorm WatchSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 22 more4 hr
May 21, 10:25 AM CDTSevere Thunderstorm WatchSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 37 more6 hr
May 22, 12:05 AM CDTSevere Thunderstorm WatchSPCBenton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 26 more6 hr
May 22, 12:55 AM CDTSevere Thunderstorm WatchSPCAdair, Adams, Audubon, Boone, Carroll, Cass and 17 more5 hr
May 23, 12:40 AM CDTSevere Thunderstorm WatchSPCClinton, Dubuque, Jackson, Scott5 hr
May 24, 10:10 AM CDTSevere Thunderstorm WatchSPCBuena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more6 hr
May 27, 11:55 AM CDTSevere Thunderstorm WatchSPCAdair, Adams, Appanoose, Audubon, Cass, Clarke and 22 more6 hr
May 28, 3:45 PM CDTSevere Thunderstorm WatchSPCCherokee, Crawford, Harrison, Ida, Lyon, Monona and 6 more6 hr
May 28, 9:50 PM CDTSevere Thunderstorm WatchSPCBuena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 15 more5 hr
Jun 8, 5:00 PM CDTSevere Thunderstorm WatchSPCBuena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee, Clay and 21 more6 hr
Jun 11, 9:35 PM CDTSevere Thunderstorm WatchSPCAppanoose, Benton, Black Hawk, Bremer, Buchanan, Butler and 44 more4 hr
Jun 12, 3:45 PM CDTSevere Thunderstorm WatchSPCAppanoose, Benton, Boone, Cedar, Clarke, Clinton and 33 more5 hr
Jun 13, 3:55 PM CDTSevere Thunderstorm WatchSPCAdams, Cass, Fremont, Mills, Montgomery, Page and 2 more5 hr
Jun 14, 3:05 AM CDTSevere Thunderstorm WatchSPCAdair, Adams, Appanoose, Audubon, Benton, Black Hawk and 68 more6 hr
Jun 14, 6:50 AM CDTSevere Thunderstorm WatchSPCClinton, Dubuque, Jackson, Scott6 hr
Jun 16, 2:05 PM CDTSevere Thunderstorm WatchSPCAppanoose, Benton, Black Hawk, Boone, Bremer, Buchanan and 45 more5 hr
Jun 23, 5:00 PM CDTSevere Thunderstorm WatchSPCClinton, Dubuque, Jackson, Jones6 hr
Jul 3, 10:10 PM CDTSevere Thunderstorm WatchSPCFremont6 hr
Jul 4, 11:05 PM CDTSevere Thunderstorm WatchSPCFremont, Mills5 hr
Jul 5, 2:00 AM CDTSevere Thunderstorm WatchSPCAdair, Adams, Appanoose, Audubon, Boone, Calhoun and 31 more5 hr
Jul 9, 12:45 AM CDTSevere Thunderstorm WatchSPCFremont, Mills, Montgomery, Page4 hr
Jul 11, 11:40 AM CDTSevere Thunderstorm WatchSPCBenton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 14 more6 hr
Jul 11, 11:55 AM CDTSevere Thunderstorm WatchSPCAdair, Adams, Appanoose, Cass, Clarke, Decatur and 16 more6 hr
Jul 12, 9:15 PM CDTSevere Thunderstorm WatchSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 32 more7 hr
Jul 13, 12:55 AM CDTSevere Thunderstorm WatchSPCAdair, Audubon, Benton, Black Hawk, Boone, Bremer and 52 more6 hr
Jul 13, 2:25 PM CDTSevere Thunderstorm WatchSPCFremont, Harrison, Mills, Monona, Pottawattamie, Shelby6 hr
Jul 16, 12:10 PM CDTSevere Thunderstorm WatchSPCBenton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more5 hr
Jul 20, 6:00 PM CDTSevere Thunderstorm WatchSPCClinton, Dubuque, Jackson, Scott4 hr
Jul 21, 9:35 AM CDTSevere Thunderstorm WatchSPCAppanoose, Benton, Cedar, Clinton, Davis, Des Moines and 24 more5 hr
Jul 31, 9:45 PM CDTSevere Thunderstorm WatchSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Hancock and 10 more5 hr
Aug 2, 12:20 AM CDTSevere Thunderstorm WatchSPCBuena Vista, Cherokee, Ida, Lyon, O'Brien, Osceola and 4 more4 hr
Aug 3, 11:05 AM CDTSevere Thunderstorm WatchSPCBremer, Buena Vista, Butler, Calhoun, Cerro Gordo, Cherokee and 25 more6 hr
Aug 3, 2:25 PM CDTSevere Thunderstorm WatchSPCAllamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 7 more5 hr
Aug 3, 9:45 PM CDTSevere Thunderstorm WatchSPCAdams, Appanoose, Clarke, Davis, Decatur, Des Moines and 18 more5 hr
Aug 16, 5:30 PM CDTSevere Thunderstorm WatchSPCAudubon, Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo and 34 more6 hr
Aug 17, 1:20 PM CDTSevere Thunderstorm WatchSPCDes Moines, Henry, Lee, Van Buren6 hr
Aug 18, 1:10 PM CDTSevere Thunderstorm WatchSPCAllamakee, Bremer, Chickasaw, Clayton, Fayette, Floyd and 2 more7 hr
Aug 18, 4:50 PM CDTSevere Thunderstorm WatchSPCAppanoose, Davis, Decatur, Henry, Jefferson, Lee and 7 more6 hr
Aug 18, 5:35 PM CDTSevere Thunderstorm WatchSPCDes Moines5 hr
Aug 25, 8:50 AM CDTSevere Thunderstorm WatchSPCAdams, Clarke, Decatur, Fremont, Madison, Mills and 6 more5 hr
Aug 26, 9:45 PM CDTSevere Thunderstorm WatchSPCAllamakee, Appanoose, Benton, Black Hawk, Buchanan, Cedar and 36 more6 hr
Sep 13, 5:50 PM CDTSevere Thunderstorm WatchSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 8 more7 hr
Sep 14, 2:45 PM CDTSevere Thunderstorm WatchSPCAdair, Audubon, Boone, Buena Vista, Calhoun, Carroll and 33 more7 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. May 8, 20043severe thunderstorm watches
  2. May 21, 20043severe thunderstorm watches
  3. July 13, 20043severe thunderstorm watches
  4. August 18, 20043severe thunderstorm watches
  5. April 18, 20042severe thunderstorm watches
  6. April 20, 20042severe thunderstorm watches
  7. May 9, 20042severe thunderstorm watches
  8. May 22, 20042severe thunderstorm watches
  9. June 12, 20042severe thunderstorm watches
  10. June 14, 20042severe thunderstorm watches
  11. July 5, 20042severe thunderstorm watches
  12. July 11, 20042severe thunderstorm watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive20032005

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.