Alert archive / Iowa / Mesoscale Discussions / 2007

Mesoscale Discussions in Iowa, May 2007

23 mesoscale discussions in May 2007. 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in May 2007. Tap one for its archive.

Mesoscale Discussions
23
Busiest day
May 6, 20075 mesoscale discussions

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 4, 1:19 PM CDTMesoscale DiscussionSPCHarrison, Mills, Monona, Pottawattamie86 min
May 5, 10:35 AM CDTMesoscale DiscussionSPCBuena Vista, Carroll, Cherokee, Clay, Crawford, Dickinson and 12 more85 min
May 5, 1:01 PM CDTMesoscale DiscussionSPCLyon, Plymouth, Sioux, Woodbury89 min
May 5, 4:09 PM CDTMesoscale DiscussionSPCLyon, Plymouth, Sioux, Woodbury96 min
May 5, 7:26 PM CDTMesoscale DiscussionSPCLyon, Plymouth, Sioux, Woodbury94 min
May 5, 9:16 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 21 more59 min
May 6, 1:50 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 37 more85 min
May 6, 4:08 AM CDTMesoscale DiscussionSPCAppanoose, Clarke, Davis, Decatur, Lucas, Madison and 7 more2 hr
May 6, 7:10 AM CDTMesoscale DiscussionSPCAppanoose, Davis, Grundy, Mahaska, Marshall, Monroe and 3 more95 min
May 6, 8:26 PM CDTMesoscale DiscussionSPCAppanoose, Clarke, Davis, Decatur, Lucas, Ringgold and 2 more64 min
May 14, 3:51 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Ida, Monona, O'Brien, Osceola and 2 more84 min
May 14, 9:07 PM CDTMesoscale DiscussionSPCHarrison, Mills, Monona, Pottawattamie, Shelby113 min
May 23, 12:30 PM CDTMesoscale DiscussionSPCAdair, Allamakee, Audubon, Benton, Black Hawk, Boone and 45 more3 hr
May 23, 3:11 PM CDTMesoscale DiscussionSPCFremont, Page94 min
May 23, 5:19 PM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page, Pottawattamie86 min
May 23, 5:24 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Butler, Carroll and 24 more2 hr
May 23, 7:10 PM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page, Pottawattamie, Taylor35 min
May 23, 7:42 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Black Hawk, Bremer, Butler and 31 more2 hr
May 24, 1:51 AM CDTMesoscale DiscussionSPCDecatur, Page, Ringgold, Taylor54 min
May 26, 12:54 PM CDTMesoscale DiscussionSPCAppanoose, Cedar, Clarke, Davis, Decatur, Des Moines and 21 more2 hr
May 26, 2:40 PM CDTMesoscale DiscussionSPCAllamakee, Chickasaw, Clayton, Fayette, Howard, Winneshiek95 min
May 30, 12:20 PM CDTMesoscale DiscussionSPCDickinson, Emmet, Lyon, O'Brien, Osceola85 min
May 31, 4:56 PM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 18 more94 min

By county

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

54 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20062008

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.