Alert archive / Iowa / Severe Thunderstorm Watches / 2004

Severe Thunderstorm Watches in Iowa, May 2004

22 severe thunderstorm watches in May 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 May 2004. Tap one for its archive.

Severe Thunderstorm Watches
22
Busiest day
May 8, 20043 severe thunderstorm watches

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.

IssuedProductOfficeCountiesLasted
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

By county

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

59 more counties

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.