Alert archive / Iowa / Mesoscale Discussions in 2007

Mesoscale Discussion 1756

August 14, 20074 states

The Storm Prediction Center issued this mesoscale discussion at Aug 14, 2007, 6:54 PM CDT for 4 states. It was in force for 66 min.

The area

The outline as issued.

The facts

Issued: Aug 14, 2007, 6:54 PM CDT (23:54 UTC)
Expired: Aug 14, 2007, 8:00 PM CDT
In force: 66 min
Issued by: the Storm Prediction Center

All 49 counties

Adair County, IA, Appanoose County, IA, Audubon County, IA, Boone County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Clarke County, IA, Crawford County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Greene County, IA, Guthrie County, IA, Hamilton County, IA, Hardin County, IA, Harrison County, IA, Ida County, IA, Jasper County, IA, Jefferson County, IA, Keokuk County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Monona County, IA, Monroe County, IA, Plymouth County, IA, Polk County, IA, Poweshiek County, IA, Sac County, IA, Shelby County, IA, Story County, IA, Union County, IA, Van Buren County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA, Webster County, IA, Woodbury County, IA, Putnam County, MO, Schuyler County, MO, Burt County, NE, Dakota County, NE, Dixon County, NE, Thurston County, NE, Wayne County, NE, Union County, SD

The radar

The Des Moines radar (KDMX), 90 km from the middle of the area, began a volume at 23:54 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 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.

Issued	Product	Office	Counties	Lasted
Aug 13, 9:45 PM CDT	Severe Thunderstorm Watch	SPC	Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 11 more	6 hr
Aug 13, 11:35 PM CDT	Mesoscale Discussion	SPC	Allamakee	85 min
Aug 14, 1:23 AM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 27 more	67 min
Aug 14, 2:45 AM CDT	Severe Thunderstorm Watch	SPC	Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 12 more	4 hr
Aug 14, 3:32 AM CDT	Mesoscale Discussion	SPC	Allamakee, Black Hawk, Bremer, Buchanan, Butler, Chickasaw and 7 more	28 min
Aug 14, 5:43 AM CDT	Mesoscale Discussion	SPC	Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 7 more	62 min
Aug 14, 3:05 PM CDT	Mesoscale Discussion	SPC	Adair, Audubon, Benton, Black Hawk, Boone, Calhoun and 28 more	85 min
Aug 14, 2:05 PM CDT	Mesoscale Discussion	SPC	Arthur, Blaine, Box Butte, Brown, Cherry, Garden and 9 more	85 min
Aug 14, 3:57 PM CDT	Severe Thunderstorm Watch	SPC	Antelope, Arthur, Blaine, Boone, Boyd, Brown and 32 more	9 hr

Nearby

Mesoscale Discussions in Iowa, 2007 Mesoscale Discussions in Nebraska, 2007 Mesoscale Discussions in Missouri, 2007 Every mesoscale discussion in 2007

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.