Alert archive / Missouri / Mesoscale Discussions in 2009

Mesoscale Discussion 992

June 8, 200912 counties in Arkansas; 15 counties in Illinois; 32 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jun 8, 2009, 3:20 PM CDT for 12 counties in Arkansas; 15 counties in Illinois; 32 counties in Missouri. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued: Jun 8, 2009, 3:20 PM CDT (20:20 UTC)
Expired: Jun 8, 2009, 4:45 PM CDT
In force: 85 min
Issued by: the Storm Prediction Center

All 59 counties

Baxter County, AR, Boone County, AR, Carroll County, AR, Fulton County, AR, Izard County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Randolph County, AR, Searcy County, AR, Sharp County, AR, Stone County, AR, Bond County, IL, Clinton County, IL, Franklin County, IL, Jackson County, IL, Jefferson County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Perry County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Christian County, MO, City of Saint Louis, MO, Crawford County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Howell County, MO, Iron County, MO, Jefferson County, MO, Madison County, MO, Oregon County, MO, Ozark County, MO, Perry County, MO, Phelps County, MO, Reynolds County, MO, Ripley County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Shannon County, MO, Stoddard County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Washington County, MO, Wayne County, MO, Wright County, MO

The radar

The St Louis radar (KLSX), 136 km from the middle of the area, began a volume at 20:20 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 watches that followed

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

Severe Thunderstorm Watch 353Jun 8, 4:35 PM CDT

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
Jun 7, 11:09 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Brown, Hancock, Henderson, McDonough, Mercer and 1 more	6 hr
Jun 8, 3:25 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Hancock, Henderson, McDonough, Mercer and 2 more	65 min
Jun 8, 8:49 AM CDT	Mesoscale Discussion	SPC	Bond, Clark, Clay, Clinton, Coles, Crawford and 26 more	86 min
Jun 8, 11:54 AM CDT	Mesoscale Discussion	SPC	Bond, Boone, Brown, Bureau, Calhoun, Cass and 43 more	96 min
Jun 8, 1:23 PM CDT	Severe Thunderstorm Watch	SPC	Boone, Bureau, Cook, DeKalb, DuPage, Grundy and 10 more	6 hr
Jun 8, 3:53 PM CDT	Mesoscale Discussion	SPC	Boone, Cook, DeKalb, DuPage, Grundy, Iroquois and 11 more	67 min
Jun 8, 4:33 PM CDT	Severe Thunderstorm Watch	SPC	Alexander, Bond, Champaign, Christian, Clark, Clay and 37 more	5 hr
Jun 8, 5:46 PM CDT	Mesoscale Discussion	SPC	Lake	59 min
Jun 7, 8:49 PM CDT	Mesoscale Discussion	SPC	Adair, Daviess, Grundy, Harrison, Linn, Mercer and 4 more	56 min
Jun 7, 10:22 PM CDT	Mesoscale Discussion	SPC	Andrew, Atchison, Buchanan, Caldwell, Clay, Clinton and 8 more	53 min
Jun 7, 10:53 PM CDT	Tornado Watch	SPC	Andrew, Atchison, Buchanan, Caldwell, Clinton, Daviess and 9 more	5 hr
Jun 7, 11:31 PM CDT	Severe Thunderstorm Watch	SPC	Barton, Benton, Cedar, Hickory, Morgan, St. Clair and 1 more	5 hr
Jun 8, 2:30 AM CDT	Mesoscale Discussion	SPC	Andrew, Atchison, Buchanan, Caldwell, Clinton, Daviess and 11 more	60 min

Nearby

Mesoscale Discussions in Missouri, 2009 Mesoscale Discussions in Illinois, 2009 Mesoscale Discussions in Arkansas, 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.