Alert archive / Mississippi / Mesoscale Discussions in 2003

Mesoscale Discussion 1208

June 2, 2003Chicot County, Arkansas; 14 parishes in Louisiana; 22 counties in Mississippi

The Storm Prediction Center issued this mesoscale discussion at Jun 2, 2003, 4:58 PM CDT for Chicot County, Arkansas; 14 parishes in Louisiana; 22 counties in Mississippi. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 2, 2003, 4:58 PM CDT (21:58 UTC)
Expired
Jun 2, 2003, 7:00 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 37 counties

Chicot County, AR, Caldwell Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Grant Parish, LA, LaSalle Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Ouachita Parish, LA, Richland Parish, LA, Tensas Parish, LA, West Carroll Parish, LA, Winn Parish, LA, Adams County, MS, Attala County, MS, Claiborne County, MS, Copiah County, MS, Covington County, MS, Franklin County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jefferson County, MS, Jefferson Davis County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Madison County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Warren County, MS, Yazoo County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.0 hours before the alert went out and 119 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, Jackson, MS at 12:00Z on 2003-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1747 joules per kilogram.LCLLFCEL10008507005003002001001 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, Jackson, MS at 12:00Z on 2003-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.1939Sfc1 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
1747 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
758 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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
Jun 2, 12:27 AM CDTMesoscale DiscussionSPCCrawford, Franklin, Logan, Madison, Scott, Sebastian and 1 more63 min
Jun 2, 12:45 AM CDTSevere Thunderstorm WatchSPCBenton, Crawford, Franklin, Howard, Polk, Scott and 2 more5 hr
Jun 2, 2:53 AM CDTMesoscale DiscussionSPCBenton, Crawford, Franklin, Polk, Scott, Sebastian and 1 more2 hr
Jun 2, 12:30 PM CDTMesoscale DiscussionSPCArkansas, Cleveland, Crittenden, Cross, Desha, Jefferson and 6 more2 hr
Jun 2, 1:15 PM CDTSevere Thunderstorm WatchSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 22 more6 hr
Jun 2, 2:07 PM CDTMesoscale DiscussionSPCClark, Dallas, Garland, Grant, Hempstead, Hot Spring and 7 more113 min
Jun 2, 3:25 PM CDTMesoscale DiscussionSPCCrittenden, Desha, Lee, Phillips2 hr
Jun 2, 5:46 PM CDTMesoscale DiscussionSPCAshley, Bradley, Calhoun, Chicot, Cleveland, Columbia and 5 more119 min
Jun 2, 3:20 PM CDTSevere Thunderstorm WatchSPCBienville, Bossier, Caldwell, Catahoula, Claiborne, Concordia and 19 more6 hr
Jun 2, 4:55 PM CDTTornado WatchSPCBenton, Calhoun, Carroll, Chickasaw, Choctaw, Clay and 20 more5 hr

Nearby

Mesoscale Discussions in Mississippi, 2003Mesoscale Discussions in Louisiana, 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.