Alert archive / Iowa / Mesoscale Discussions in 2010

Mesoscale Discussion 270

April 6, 201020 counties in Iowa; 18 counties in Kansas; 13 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Apr 6, 2010, 1:32 PM CDT for 20 counties in Iowa; 18 counties in Kansas; 13 counties in Missouri. It was in force for 58 min.

The area

The outline as issued.

The facts

Issued
Apr 6, 2010, 1:32 PM CDT (18:32 UTC)
Expired
Apr 6, 2010, 2:30 PM CDT
In force
58 min
Issued by
the Storm Prediction Center
All 51 counties

Adair County, IA, Adams County, IA, Audubon County, IA, Clarke County, IA, Dallas County, IA, Decatur County, IA, Guthrie County, IA, Jasper County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Monroe County, IA, Polk County, IA, Poweshiek County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA, Warren County, IA, Wayne County, IA, Atchison County, KS, Butler County, KS, Chase County, KS, Coffey County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Lyon County, KS, Osage County, KS, Shawnee County, KS, Sumner County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Buchanan County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Mercer County, MO, Nodaway County, MO, Platte County, MO, Worth County, MO

The radar

The Topeka radar (KTWX), 106 km from the middle of the area, began a volume at 18:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 5, 7:24 PM CDTMesoscale DiscussionSPCDecatur, Fremont, Page, Ringgold, Taylor66 min
Apr 5, 7:39 PM CDTTornado WatchSPCAdams, Appanoose, Clarke, Davis, Decatur, Lucas and 6 more3 hr
Apr 5, 9:37 PM CDTMesoscale DiscussionSPCBenton, Buchanan, Clayton, Delaware, Dubuque, Fayette and 3 more53 min
Apr 5, 9:54 PM CDTMesoscale DiscussionSPCAppanoose, Clarke, Decatur, Page, Ringgold, Taylor and 2 more66 min
Apr 5, 10:39 PM CDTSevere Thunderstorm WatchSPCAdair, Adams, Appanoose, Audubon, Boone, Carroll and 30 more6 hr
Apr 5, 11:07 PM CDTSevere Thunderstorm WatchSPCClinton, Jackson, Scott5 hr
Apr 6, 1:20 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Calhoun, Carroll and 34 more85 min
Apr 6, 4:05 AM CDTMesoscale DiscussionSPCBenton, Black Hawk, Boone, Bremer, Buchanan, Butler and 25 more85 min
Apr 6, 4:44 AM CDTSevere Thunderstorm WatchSPCClinton, Dubuque, Jackson, Scott4 hr
Apr 6, 2:57 PM CDTTornado WatchSPCAppanoose, Benton, Black Hawk, Buchanan, Cedar, Clarke and 30 more7 hr
Apr 6, 4:55 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Chickasaw and 8 more65 min
Apr 6, 5:06 PM CDTSevere Thunderstorm WatchSPCAllamakee, Clayton, Fayette, Winneshiek6 hr
Apr 6, 6:16 PM CDTMesoscale DiscussionSPCAppanoose, Benton, Cedar, Clarke, Davis, Decatur and 20 more59 min
Apr 6, 2:08 PM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Atchison, Butler, Chase, Chautauqua and 26 more8 hr
Apr 6, 6:08 PM CDTMesoscale DiscussionSPCButler, Chase, Douglas, Franklin, Johnson, Leavenworth and 3 more97 min

Nearby

Mesoscale Discussions in Iowa, 2010Mesoscale Discussions in Kansas, 2010Mesoscale Discussions in Missouri, 2010Every mesoscale discussion in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.