Alert archive / Iowa / Mesoscale Discussions / 2012

Mesoscale Discussions in Iowa, August 2012

10 mesoscale discussions in August 2012. 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 August 2012. Tap one for its archive.

Mesoscale Discussions
10
Busiest day
August 4, 20123 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
Aug 3, 6:19 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Lyon and 5 more86 min
Aug 3, 10:33 PM CDTMesoscale DiscussionSPCWorth87 min
Aug 4, 10:26 AM CDTMesoscale DiscussionSPCAppanoose, Benton, Black Hawk, Boone, Bremer, Buchanan and 44 more49 min
Aug 4, 1:09 PM CDTMesoscale DiscussionSPCBenton, Buchanan, Cedar, Clayton, Clinton, Delaware and 15 more66 min
Aug 8, 12:28 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Calhoun, Carroll, Cass and 17 more62 min
Aug 8, 4:10 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Carroll and 36 more95 min
Aug 9, 5:11 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 23 more94 min
Aug 12, 3:39 PM CDTMesoscale DiscussionSPCAdams, Decatur, Ringgold, Taylor, Union2 hr
Aug 15, 2:56 PM CDTMesoscale DiscussionSPCClay, Dickinson, Emmet, Lyon, O'Brien, Osceola and 2 more64 min
Aug 16, 3:57 AM CDTMesoscale DiscussionSPCAdair, Allamakee, Appanoose, Benton, Black Hawk, Boone and 52 more3 hr

By county

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

52 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20112013

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.