Alert archive / Illinois / Mesoscale Discussions in 2009

Mesoscale Discussion 753

May 7, 20094 states

The Storm Prediction Center issued this mesoscale discussion at May 7, 2009, 11:46 PM CDT for 4 states. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued
May 7, 2009, 11:46 PM CDT (04:46 UTC)
Expired
May 8, 2009, 1:15 AM CDT
In force
89 min
Issued by
the Storm Prediction Center
All 93 counties

Alexander County, IL, Bond County, IL, Clark County, IL, Clay County, IL, Clinton County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Edwards County, IL, Effingham County, IL, Fayette County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jasper County, IL, Jefferson County, IL, Johnson County, IL, Lawrence County, IL, Madison County, IL, Marion County, IL, Massac County, IL, Monroe County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Richland County, IL, Saint Clair County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Daviess County, IN, Gibson County, IN, Greene County, IN, Knox County, IN, Pike County, IN, Posey County, IN, Sullivan County, IN, Vanderburgh County, IN, Vigo County, IN, Warrick County, IN, Ballard County, KY, Caldwell County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Henderson County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Trigg County, KY, Union County, KY, Webster County, KY, Bollinger County, MO, Cape Girardeau County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Madison County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Osage County, MO, Perry County, MO, Phelps County, MO, Pulaski County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Scott County, MO, Shannon County, MO, Warren County, MO, Washington County, MO, Wayne County, MO

The radar

The St Louis radar (KLSX), 101 km from the middle of the area, began a volume at 04:47 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.

IssuedProductOfficeCountiesLasted
May 7, 9:38 PM CDTMesoscale DiscussionSPCClinton, Franklin, Gallatin, Hamilton, Jackson, Jefferson and 13 more97 min
May 7, 10:17 PM CDTSevere Thunderstorm WatchSPCAlexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 9 more8 hr
May 8, 3:34 AM CDTMesoscale DiscussionSPCAlexander, Massac, Pulaski56 min
May 8, 8:37 AM CDTMesoscale DiscussionSPCAlexander, Massac, Pulaski53 min
May 8, 9:21 AM CDTTornado WatchSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more7 hr
May 8, 2:16 PM CDTMesoscale DiscussionSPCEdwards, Franklin, Gallatin, Hamilton, Jefferson, Saline and 3 more89 min
May 8, 5:47 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Henderson, Henry, Jo Daviess and 9 more58 min
May 8, 6:10 PM CDTSevere Thunderstorm WatchSPCBureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 13 more4 hr
May 8, 12:08 PM CDTMesoscale DiscussionSPCCrawford, Floyd, Harrison97 min
May 8, 12:44 PM CDTSevere Thunderstorm WatchSPCClark, Crawford, Dubois, Floyd, Harrison, Jefferson and 5 more6 hr
May 8, 4:29 AM CDTSevere Thunderstorm WatchSPCAdair, Allen, Barren, Clinton, Cumberland, Logan and 5 more3 hr
May 8, 3:42 PM CDTTornado WatchSPCAdair, Bell, Breathitt, Clay, Clinton, Cumberland and 18 more7 hr
May 8, 5:03 PM CDTMesoscale DiscussionSPCBell, Boyd, Breathitt, Carter, Clay, Elliott and 20 more87 min
May 7, 7:37 PM CDTSevere Thunderstorm WatchSPCAdair, Andrew, Atchison, Buchanan, Caldwell, Carroll and 25 more6 hr
May 8, 4:31 AM CDTMesoscale DiscussionSPCBarry, Barton, Cedar, Christian, Dade, Dallas and 11 more59 min
May 8, 4:55 AM CDTSevere Thunderstorm Watch PDSSPCBarry, Barton, Benton, Camden, Cedar, Christian and 28 more7 hr
May 8, 7:17 AM CDTMesoscale DiscussionSPCBarry, Barton, Christian, Dade, Douglas, Greene and 10 more58 min
May 8, 11:08 AM CDTMesoscale DiscussionSPCChristian, Douglas, Howell, Ozark, Taney, Texas and 1 more67 min

Nearby

Mesoscale Discussions in Illinois, 2009Mesoscale Discussions in Missouri, 2009Mesoscale Discussions in Kentucky, 2009Every 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.