Alert archive / Missouri / Mesoscale Discussions in 2003

Mesoscale Discussion 738

May 4, 20036 counties in Kansas; 8 counties in Missouri; Craig County, Nowata County, Ottawa County, Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 4, 2003, 4:43 PM CDT for 6 counties in Kansas; 8 counties in Missouri; Craig County, Nowata County, Ottawa County, Oklahoma. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 4, 2003, 4:43 PM CDT (21:43 UTC)
Expired: May 4, 2003, 6:45 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

Counties Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Linn County, KS, Neosho County, KS, Barton County, MO, Bates County, MO, Cedar County, MO, Dade County, MO, Jasper County, MO, Newton County, MO, St. Clair County, MO, Vernon County, MO, Craig County, OK, Nowata County, OK, Ottawa County, OK

The radar

The Springfield radar (KSGF), 111 km from the middle of the area, began a volume at 21:47 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 watches that followed

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

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.7 hours before the alert went out and 92 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: 50 J/kg
Mixed-layer CIN: -362 J/kg
Mixed-layer LCL: 735 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 282 m²/s²
0-3 km storm-relative helicity: 474 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.7

Open this sounding in Storm Lab

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
May 3, 11:07 PM CDT	Mesoscale Discussion	SPC	Barber, Barton, Butler, Chase, Clark, Clay and 43 more	83 min
May 3, 11:46 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Bourbon, Brown, Clay and 30 more	59 min
May 4, 12:10 AM CDT	Severe Thunderstorm Watch	SPC	Anderson, Atchison, Brown, Chase, Clay, Coffey and 24 more	6 hr
May 4, 2:58 AM CDT	Mesoscale Discussion	SPC	Anderson, Atchison, Brown, Coffey, Doniphan, Douglas and 13 more	92 min
May 4, 4:50 AM CDT	Severe Thunderstorm Watch	SPC	Doniphan, Wyandotte	6 hr
May 4, 7:43 AM CDT	Mesoscale Discussion	SPC	Doniphan	2 hr
May 4, 10:19 AM CDT	Mesoscale Discussion	SPC	Atchison, Butler, Chase, Clay, Coffey, Dickinson and 19 more	116 min
May 4, 11:40 AM CDT	Tornado Watch	SPC	Anderson, Chase, Clay, Cloud, Coffey, Dickinson and 19 more	6 hr
May 4, 11:44 AM CDT	Mesoscale Discussion	SPC	Chautauqua, Cherokee, Crawford, Labette, Montgomery, Neosho and 1 more	3 hr
May 4, 12:14 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Douglas, Jackson, Jefferson and 7 more	2 hr
May 4, 12:35 PM CDT	Tornado Watch	SPC	Allen, Bourbon, Chautauqua, Cherokee, Crawford, Elk and 6 more	6 hr
May 4, 12:45 PM CDT	Tornado Watch	SPC	Atchison, Brown, Doniphan, Douglas, Jefferson, Johnson and 4 more	6 hr
May 4, 2:22 PM CDT	Mesoscale Discussion	SPC	Anderson, Atchison, Brown, Coffey, Doniphan, Douglas and 13 more	113 min
May 4, 2:58 PM CDT	Mesoscale Discussion	SPC	Ellis, Gove, Jewell, Lane, Lincoln, Mitchell and 9 more	92 min
May 4, 3:05 PM CDT	Mesoscale Discussion	SPC	Allen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 1 more	115 min
May 4, 4:28 PM CDT	Mesoscale Discussion	SPC	Wyandotte	62 min
May 4, 6:05 PM CDT	Tornado Watch	SPC	Bourbon, Cherokee, Crawford	7 hr
May 4, 6:20 PM CDT	Tornado Watch	SPC	Doniphan, Wyandotte	6 hr
May 4, 3:56 PM CDT	Mesoscale Discussion	SPC	Adair, Chariton, Grundy, Harrison, Linn, Livingston and 6 more	2 hr
May 4, 5:01 PM CDT	Mesoscale Discussion	SPC	Butler, Dunklin, Mississippi, New Madrid, Pemiscot, Stoddard	3 hr
May 4, 5:20 PM CDT	Mesoscale Discussion	SPC	Barry, Barton, Cedar, Christian, Dade, Dallas and 18 more	55 min
May 4, 5:25 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Audrain, Bollinger, Callaway, Cape Girardeau, Clark and 28 more	6 hr
May 4, 6:55 PM CDT	Tornado Watch	SPC	Butler, Dunklin, Mississippi, New Madrid, Pemiscot, Scott and 2 more	6 hr
May 3, 8:05 PM CDT	Tornado Watch	SPC	Beckham, Blaine, Caddo, Canadian, Comanche, Cotton and 14 more	6 hr
May 3, 10:00 PM CDT	Mesoscale Discussion	SPC	Beckham, Blaine, Caddo, Canadian, Comanche, Cotton and 12 more	2 hr
May 4, 2:16 PM CDT	Mesoscale Discussion	SPC	Bryan, Johnston, Love, Marshall, Murray	119 min
May 4, 3:00 PM CDT	Tornado Watch	SPC	Atoka, Bryan, Carter, Choctaw, Coal, Garvin and 6 more	6 hr
May 4, 6:28 PM CDT	Mesoscale Discussion	SPC	Atoka, Bryan, Carter, Choctaw, Coal, Johnston and 5 more	2 hr

Nearby

Mesoscale Discussions in Missouri, 2003 Mesoscale Discussions in Kansas, 2003 Mesoscale Discussions in Oklahoma, 2003 Every mesoscale discussion 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.