Alert archive / Iowa / Severe Thunderstorm Watches / 2001

Severe Thunderstorm Watches in Iowa, May 2001

10 severe thunderstorm watches in May 2001. 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 2001. Tap one for its archive.

Severe Thunderstorm Watches
10
Busiest day
May 10, 20016 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 1, 3:30 PM CDTSevere Thunderstorm WatchSPCAudubon, Boone, Carroll, Cass, Crawford, Dallas and 9 more6 hr
May 1, 9:00 PM CDTSevere Thunderstorm WatchSPCAdair, Allamakee, Audubon, Boone, Bremer, Buena Vista and 42 more6 hr
May 9, 4:30 PM CDTSevere Thunderstorm WatchSPCAdair, Adams, Audubon, Boone, Buena Vista, Butler and 40 more6 hr
May 9, 9:00 PM CDTSevere Thunderstorm WatchSPCAdair, Adams, Appanoose, Audubon, Boone, Cass and 29 more5 hr
May 9, 10:00 PM CDTSevere Thunderstorm WatchSPCAllamakee, Clayton, Fayette, Winneshiek5 hr
May 10, 11:00 AM CDTSevere Thunderstorm WatchSPCAdair, Allamakee, Audubon, Benton, Black Hawk, Boone and 47 more5 hr
May 10, 4:15 PM CDTSevere Thunderstorm WatchSPCAdair, Adams, Audubon, Benton, Black Hawk, Boone and 46 more6 hr
May 10, 5:00 PM CDTSevere Thunderstorm WatchSPCDubuque5 hr
May 10, 5:30 PM CDTSevere Thunderstorm WatchSPCCass, Fremont, Mills, Montgomery, Page, Pottawattamie and 1 more5 hr
May 10, 8:45 PM CDTSevere Thunderstorm WatchSPCAppanoose, Cedar, Clarke, Clinton, Davis, Decatur and 20 more5 hr

By county

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

53 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20002002

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.