Alert archive / Arkansas / Mesoscale Discussions in 2009

Mesoscale Discussion 606

April 27, 20094 states

The Storm Prediction Center issued this mesoscale discussion at Apr 27, 2009, 5:08 PM CDT for 4 states. It was in force for 97 min.

The area

The outline as issued.

The facts

Issued: Apr 27, 2009, 5:08 PM CDT (22:08 UTC)
Expired: Apr 27, 2009, 6:45 PM CDT
In force: 97 min
Issued by: the Storm Prediction Center

All 27 counties

Clay County, AR, Craighead County, AR, Cross County, AR, Greene County, AR, Independence County, AR, Jackson County, AR, Lawrence County, AR, Poinsett County, AR, Randolph County, AR, White County, AR, Woodruff County, AR, Alexander County, IL, Jackson County, IL, Johnson County, IL, Pulaski County, IL, Union County, IL, Williamson County, IL, Ballard County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Scott County, MO, Stoddard County, MO

The radar

The Memphis radar (KNQA), 108 km from the middle of the area, began a volume at 22:10 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
Apr 27, 9:28 AM CDT	Severe Thunderstorm Watch	SPC	Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 2 more	12 hr
Apr 27, 12:32 PM CDT	Mesoscale Discussion	SPC	Benton	88 min
Apr 27, 12:47 PM CDT	Severe Thunderstorm Watch	SPC	Benton, Carroll, Washington	6 hr
Apr 27, 1:14 PM CDT	Mesoscale Discussion	SPC	Hempstead, Lafayette, Little River, Miller	91 min
Apr 27, 2:24 PM CDT	Mesoscale Discussion	SPC	Bradley, Calhoun, Clark, Cleveland, Columbia, Dallas and 19 more	66 min
Apr 27, 2:57 PM CDT	Severe Thunderstorm Watch	SPC	Arkansas, Bradley, Calhoun, Clark, Cleveland, Columbia and 22 more	6 hr
Apr 27, 3:28 PM CDT	Mesoscale Discussion	SPC	Benton, Boone, Carroll, Madison, Washington	2 hr
Apr 27, 6:03 PM CDT	Mesoscale Discussion	SPC	Benton, Boone, Carroll, Madison, Washington	27 min
Apr 27, 5:34 PM CDT	Mesoscale Discussion	SPC	Brown, Cass, Fulton, Greene, Logan, Mason and 7 more	56 min
Apr 26, 8:21 PM CDT	Mesoscale Discussion	SPC	Adair, Andrew, Buchanan, Caldwell, Carroll, Cass and 20 more	54 min
Apr 26, 11:15 PM CDT	Mesoscale Discussion	SPC	Adair, Bates, Carroll, Cass, Chariton, Henry and 10 more	60 min

Nearby

Mesoscale Discussions in Arkansas, 2009 Mesoscale Discussions in Missouri, 2009 Mesoscale Discussions in Illinois, 2009 Every mesoscale discussion in 2009

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.