Alert archive / Iowa / Mesoscale Discussions / 2015

Mesoscale Discussions in Iowa, August 2015

22 mesoscale discussions in August 2015. 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 2015. Tap one for its archive.

Mesoscale Discussions
22
Busiest day
August 9, 20155 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 2, 4:48 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Calhoun, Carroll and 25 more2 hr
Aug 2, 6:22 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Cass, Clarke, Dallas and 25 more53 min
Aug 3, 11:44 AM CDTMesoscale DiscussionSPCDecatur, Fremont, Mills, Montgomery, Page, Ringgold and 1 more2 hr
Aug 6, 6:06 PM CDTMesoscale DiscussionSPCLyon114 min
Aug 8, 8:36 PM CDTMesoscale DiscussionSPCAdair, Adams, Cass, Clarke, Decatur, Fremont and 7 more114 min
Aug 8, 11:11 PM CDTMesoscale DiscussionSPCAdams, Clarke, Decatur, Fremont, Montgomery, Page and 3 more94 min
Aug 9, 1:37 AM CDTMesoscale DiscussionSPCAdams, Appanoose, Cass, Clarke, Davis, Decatur and 8 more83 min
Aug 9, 1:05 PM CDTMesoscale DiscussionSPCCherokee, Lyon, Monona, O'Brien, Osceola, Plymouth and 2 more115 min
Aug 9, 4:03 PM CDTMesoscale DiscussionSPCCherokee, Ida, Lyon, O'Brien, Osceola, Plymouth and 2 more117 min
Aug 9, 7:15 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Cherokee, Clay, Crawford, Dickinson and 15 more2 hr
Aug 9, 9:33 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Carroll, Cherokee, Crawford, Harrison and 7 more27 min
Aug 13, 2:24 PM CDTMesoscale DiscussionSPCAllamakee, Winneshiek2 hr
Aug 16, 4:01 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Hancock and 14 more119 min
Aug 18, 12:49 PM CDTMesoscale DiscussionSPCCedar, Clayton, Clinton, Delaware, Des Moines, Dubuque and 7 more116 min
Aug 18, 3:53 PM CDTMesoscale DiscussionSPCCedar, Clinton, Des Moines, Dubuque, Jackson, Jones and 2 more2 hr
Aug 22, 2:13 PM CDTMesoscale DiscussionSPCAudubon, Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo and 33 more62 min
Aug 22, 2:55 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Carroll, Cass and 19 more65 min
Aug 22, 5:52 PM CDTMesoscale DiscussionSPCBuena Vista, Cerro Gordo, Clay, Emmet, Franklin, Hamilton and 10 more83 min
Aug 22, 6:12 PM CDTMesoscale DiscussionSPCAllamakee, Bremer, Butler, Chickasaw, Clayton, Fayette and 4 more63 min
Aug 22, 6:21 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Carroll, Cass, Clarke and 15 more84 min
Aug 22, 8:06 PM CDTMesoscale DiscussionSPCCerro Gordo, Floyd, Franklin, Hancock, Howard, Mitchell and 3 more84 min
Aug 22, 8:49 PM CDTMesoscale DiscussionSPCAdair, Adams, Cass, Clarke, Dallas, Decatur and 12 more116 min

By county

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

49 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20142016

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.