Alert archive / Missouri / Mesoscale Discussions in 2008

Mesoscale Discussion 1939

July 27, 200810 counties in Illinois; 21 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jul 27, 2008, 8:20 PM CDT for 10 counties in Illinois; 21 counties in Missouri. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued: Jul 27, 2008, 8:20 PM CDT (01:20 UTC)
Expired: Jul 27, 2008, 9:45 PM CDT
In force: 85 min
Issued by: the Storm Prediction Center

All 31 counties

Bond County, IL, Calhoun County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Montgomery County, IL, Morgan County, IL, Pike County, IL, Scott County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, Chariton County, MO, City of Saint Louis, MO, Cooper County, MO, Franklin County, MO, Gasconade County, MO, Howard County, MO, Lincoln County, MO, Marion County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Randolph County, MO, Saint Charles County, MO, Saint Louis County, MO, Shelby County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 73 km from the middle of the area, began a volume at 01:20 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
Jul 27, 9:39 PM CDT	Severe Thunderstorm Watch	SPC	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 15 more	6 hr
Jul 28, 1:23 AM CDT	Mesoscale Discussion	SPC	Adams, Alexander, Edwards, Franklin, Gallatin, Hamilton and 17 more	97 min
Jul 27, 11:30 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Chariton, Grundy, Linn, Livingston, Macon and 5 more	9 hr
Jul 28, 5:31 AM CDT	Mesoscale Discussion	SPC	Caldwell, Daviess, DeKalb, Gentry, Grundy, Harrison and 4 more	89 min
Jul 28, 7:26 AM CDT	Mesoscale Discussion	SPC	Andrew, Atchison, Gentry, Holt, Nodaway, Worth	94 min

Nearby

Mesoscale Discussions in Missouri, 2008 Mesoscale Discussions in Illinois, 2008 Every mesoscale discussion in 2008

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.