Alert archive / Missouri / Mesoscale Discussions in 2003

Mesoscale Discussion 614

April 28, 20034 states

The Storm Prediction Center issued this mesoscale discussion at Apr 28, 2003, 7:10 PM CDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Apr 28, 2003, 7:10 PM CDT (00:10 UTC)
Expired
Apr 28, 2003, 9:15 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 58 counties

Baxter County, AR, Boone County, AR, Carroll County, AR, Fulton County, AR, Greene County, AR, Izard County, AR, Lawrence County, AR, Marion County, AR, Randolph County, AR, Sharp County, AR, Stone County, AR, Allen County, KS, Anderson County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Linn County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Barton County, MO, Bates County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Douglas County, MO, Greene County, MO, Howell County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Polk County, MO, Ripley County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Vernon County, MO, Webster County, MO, Wright County, MO, Craig County, OK, Kay County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Washington County, OK

The radar

The Springfield radar (KSGF), 51 km from the middle of the area, began a volume at 00:09 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 nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.2 hours before the alert went out and 12 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-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2003-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2575 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2003-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2575 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1020 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

IssuedProductOfficeCountiesLasted
Apr 29, 5:11 PM CDTMesoscale DiscussionSPCBaxter, Boone, Clay, Craighead, Fulton, Greene and 9 more2 hr
Apr 28, 11:50 PM CDTMesoscale DiscussionSPCCheyenne, Rawlins2 hr
Apr 29, 2:15 AM CDTMesoscale DiscussionSPCDecatur, Jewell, Norton, Phillips, Rawlins, Republic and 2 more3 hr
Apr 29, 2:19 PM CDTMesoscale DiscussionSPCCloud, Ellis, Ellsworth, Graham, Jewell, Lincoln and 11 more116 min
Apr 29, 3:40 PM CDTTornado WatchSPCClay, Cloud, Decatur, Dickinson, Ellis, Ellsworth and 19 more5 hr
Apr 29, 4:10 PM CDTSevere Thunderstorm WatchSPCCheyenne, Logan, Rawlins, Scott, Sherman, Thomas and 1 more6 hr
Apr 29, 5:52 PM CDTMesoscale DiscussionSPCClay, Cloud, Decatur, Dickinson, Ellis, Ellsworth and 19 more53 min
Apr 29, 6:16 PM CDTMesoscale DiscussionSPCCheyenne, Logan, Rawlins, Scott, Sherman, Thomas and 2 more119 min
Apr 29, 12:32 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Carter, Crawford, Dent and 18 more118 min
Apr 29, 2:05 PM CDTSevere Thunderstorm WatchSPCBarry, Barton, Bates, Benton, Bollinger, Butler and 47 more5 hr
Apr 29, 2:30 PM CDTSevere Thunderstorm WatchSPCBeckham, Ellis, Greer, Harmon, Roger Mills, Woodward6 hr
Apr 29, 5:50 PM CDTMesoscale DiscussionSPCBeckham, Dewey, Ellis, Greer, Harmon, Jackson and 1 more85 min
Apr 29, 6:25 PM CDTSevere Thunderstorm WatchSPCAlfalfa, Beckham, Blaine, Caddo, Comanche, Custer and 16 more6 hr

Nearby

Mesoscale Discussions in Missouri, 2003Mesoscale Discussions in Kansas, 2003Mesoscale Discussions in Arkansas, 2003Every 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.