Alert archive / Missouri / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 503

June 10, 200322 counties in Illinois; 10 counties in Kentucky; 59 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at Jun 10, 2003, 7:15 AM CDT for 22 counties in Illinois; 10 counties in Kentucky; 59 counties in Missouri. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 10, 2003, 7:15 AM CDT (12:15 UTC)
Expired: Jun 10, 2003, 1:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 91 counties

Alexander County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Massac County, IL, Monroe County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Saint Clair County, IL, Saline County, IL, Union County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Ballard County, KY, Calloway County, KY, Carlisle County, KY, Crittenden County, KY, Graves County, KY, Hickman County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Bollinger County, MO, Butler County, MO, Camden County, MO, Cape Girardeau County, MO, Carter County, MO, Cedar County, MO, Christian County, MO, Cole County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howell County, MO, Iron County, MO, Jasper County, MO, Jefferson County, MO, Laclede County, MO, Lawrence County, MO, Madison County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Mississippi County, MO, Morgan County, MO, New Madrid County, MO, Newton County, MO, Oregon County, MO, Osage County, MO, Ozark County, MO, Perry County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Reynolds County, MO, Ripley County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Scott County, MO, Shannon County, MO, St. Clair County, MO, Stoddard County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Washington County, MO, Wayne County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 130 km from the middle of the area, began a volume at 12:18 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.

Warnings issued inside it

3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jun 10, 7:40 AM CDT	Severe Thunderstorm Warning	SGF	Wright	50 min
Jun 10, 7:57 AM CDT	Severe Thunderstorm Warning	SGF	Texas	48 min
Jun 10, 11:14 AM CDT	Severe Thunderstorm Warning	PAH	Carlisle, Hickman	46 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 0.3 hours before the alert went out and 173 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 521 J/kg
Mixed-layer CIN: -277 J/kg
Mixed-layer LCL: 1230 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 424 m²/s²
0-3 km storm-relative helicity: 496 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 13.8

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 10:24 AM CDT	Mesoscale Discussion	SPC	Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 14 more	2 hr
Jun 10, 3:40 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Bond, Brown, Calhoun, Cass, Christian and 23 more	5 hr
Jun 10, 5:07 PM CDT	Mesoscale Discussion	SPC	Jackson, Monroe, Perry, Randolph, Saint Clair, Washington	113 min
Jun 10, 6:35 PM CDT	Severe Thunderstorm Watch	SPC	Bond, Clay, Clinton, Crawford, Edwards, Effingham and 22 more	4 hr
Jun 10, 12:22 PM CDT	Mesoscale Discussion	SPC	Adair, Allen, Barren, Breckinridge, Bullitt, Butler and 29 more	113 min
Jun 9, 9:22 PM CDT	Mesoscale Discussion	SPC	Gentry, Harrison, Mercer, Nodaway, Putnam, Schuyler and 3 more	53 min
Jun 9, 11:46 PM CDT	Mesoscale Discussion	SPC	Andrew, Atchison, Holt, Nodaway	119 min
Jun 10, 12:15 AM CDT	Severe Thunderstorm Watch	SPC	Andrew, Atchison, Buchanan, Clinton, Daviess, DeKalb and 7 more	5 hr
Jun 10, 2:44 AM CDT	Mesoscale Discussion	SPC	Adair, Andrew, Atchison, Buchanan, Caldwell, Clay and 18 more	2 hr
Jun 10, 7:07 AM CDT	Mesoscale Discussion	SPC	Barry, Barton, Bates, Bollinger, Butler, Camden and 36 more	113 min
Jun 10, 12:18 PM CDT	Mesoscale Discussion	SPC	Audrain, Barton, Bates, Benton, Boone, Callaway and 33 more	117 min
Jun 10, 12:50 PM CDT	Severe Thunderstorm Watch	SPC	Bates, Benton, Camden, Carroll, Cass, Cedar and 17 more	6 hr
Jun 10, 5:55 PM CDT	Mesoscale Discussion	SPC	Bates, Cass, Cooper, Henry, Howard, Jackson and 4 more	95 min

Nearby

Severe Thunderstorm Watches in Missouri, 2003 Severe Thunderstorm Watches in Illinois, 2003 Severe Thunderstorm Watches in Kentucky, 2003 Every severe thunderstorm watch in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.