Alert archive / Iowa / Mesoscale Discussions / 2005

Mesoscale Discussions in Iowa, September 2005

31 mesoscale discussions in September 2005. 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 September 2005. Tap one for its archive.

Mesoscale Discussions
31
Busiest day
September 19, 20056 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
Sep 3, 9:21 PM CDTMesoscale DiscussionSPCAllamakee, Winneshiek114 min
Sep 3, 11:18 PM CDTMesoscale DiscussionSPCAllamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clay and 16 more87 min
Sep 4, 2:12 AM CDTMesoscale DiscussionSPCAllamakee, Winneshiek2 hr
Sep 5, 11:18 PM CDTMesoscale DiscussionSPCDickinson, Emmet, Lyon, O'Brien, Osceola, Sioux87 min
Sep 6, 2:52 AM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee, Clay and 21 more83 min
Sep 6, 11:26 PM CDTMesoscale DiscussionSPCLyon3 hr
Sep 7, 12:43 PM CDTMesoscale DiscussionSPCAllamakee, Bremer, Chickasaw, Clayton, Fayette, Winneshiek2 hr
Sep 8, 1:59 AM CDTMesoscale DiscussionSPCClay, Dickinson, Emmet, Lyon, O'Brien, Osceola and 1 more3 hr
Sep 8, 6:08 AM CDTMesoscale DiscussionSPCBoone, Buena Vista, Calhoun, Cerro Gordo, Cherokee, Clay and 18 more3 hr
Sep 8, 10:56 AM CDTMesoscale DiscussionSPCBoone, Calhoun, Greene, Hamilton, Hardin, Humboldt and 6 more64 min
Sep 8, 12:38 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Iowa, Jasper, Jefferson, Johnson and 13 more97 min
Sep 8, 2:40 PM CDTMesoscale DiscussionSPCDavis, Des Moines, Henry, Jefferson, Lee, Louisa and 5 more95 min
Sep 12, 6:47 PM CDTMesoscale DiscussionSPCDickinson, Emmet, Lyon, O'Brien, Osceola, Sioux and 1 more88 min
Sep 12, 9:36 PM CDTMesoscale DiscussionSPCDickinson, Emmet, Lyon, O'Brien, Osceola, Sioux and 1 more84 min
Sep 13, 1:19 AM CDTMesoscale DiscussionSPCHoward, Mitchell, Winneshiek, Worth56 min
Sep 13, 11:19 AM CDTMesoscale DiscussionSPCAdair, Allamakee, Audubon, Benton, Black Hawk, Boone and 48 more116 min
Sep 13, 3:25 PM CDTMesoscale DiscussionSPCAllamakee, Bremer, Buchanan, Butler, Chickasaw, Clayton and 8 more95 min
Sep 18, 5:38 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 30 more97 min
Sep 18, 8:13 PM CDTMesoscale DiscussionSPCAdair, Appanoose, Audubon, Benton, Black Hawk, Boone and 73 more62 min
Sep 18, 10:00 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Benton, Boone and 62 more60 min
Sep 18, 11:44 PM CDTMesoscale DiscussionSPCAdair, Audubon, Boone, Calhoun, Carroll, Cass and 10 more91 min
Sep 19, 1:34 AM CDTMesoscale DiscussionSPCBenton, Black Hawk, Bremer, Buchanan, Cedar, Chickasaw and 16 more86 min
Sep 19, 11:49 AM CDTMesoscale DiscussionSPCAppanoose, Davis, Decatur, Des Moines, Henry, Jefferson and 11 more86 min
Sep 19, 3:48 PM CDTMesoscale DiscussionSPCDes Moines, Lee, Van Buren87 min
Sep 21, 3:24 PM CDTMesoscale DiscussionSPCLyon96 min
Sep 24, 7:14 AM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Hancock and 10 more2 hr
Sep 24, 3:26 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 13 more94 min
Sep 24, 10:41 PM CDTMesoscale DiscussionSPCCherokee, Lyon, Monona, O'Brien, Osceola, Plymouth and 2 more64 min
Sep 25, 2:15 AM CDTMesoscale DiscussionSPCDickinson, Lyon, Osceola90 min
Sep 25, 3:24 PM CDTMesoscale DiscussionSPCAdams, Appanoose, Clarke, Davis, Decatur, Des Moines and 14 more96 min
Sep 28, 11:56 AM CDTMesoscale DiscussionSPCDes Moines, Lee94 min

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 archive20042006

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.