Alert archive / Mississippi / Mesoscale Discussions in 2003

Mesoscale Discussion 572

April 25, 20036 states

The Storm Prediction Center issued this mesoscale discussion at Apr 25, 2003, 3:05 AM CDT for 6 states. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued
Apr 25, 2003, 3:05 AM CDT (08:05 UTC)
Expired
Apr 25, 2003, 4:30 AM CDT
In force
85 min
Issued by
the Storm Prediction Center
All 85 counties

Baldwin County, AL, Bibb County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Dallas County, AL, Escambia County, AL, Fayette County, AL, Franklin County, AL, Greene County, AL, Hale County, AL, Lamar County, AL, Marengo County, AL, Marion County, AL, Mobile County, AL, Monroe County, AL, Perry County, AL, Pickens County, AL, Sumter County, AL, Tuscaloosa County, AL, Washington County, AL, Wilcox County, AL, Mississippi County, AR, Escambia County, FL, Saint Tammany Parish, LA, Washington Parish, LA, Alcorn County, MS, Attala County, MS, Benton County, MS, Chickasaw County, MS, Choctaw County, MS, Clarke County, MS, Clay County, MS, Covington County, MS, Forrest County, MS, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Itawamba County, MS, Jackson County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Leake County, MS, Lee County, MS, Lowndes County, MS, Marion County, MS, Monroe County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Pearl River County, MS, Perry County, MS, Pontotoc County, MS, Prentiss County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Stone County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Walthall County, MS, Wayne County, MS, Webster County, MS, Winston County, MS, Chester County, TN, Crockett County, TN, Fayette County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Lauderdale County, TN, Madison County, TN, McNairy County, TN, Tipton County, TN

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 8.1 hours before the alert went out and 120 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 00:00Z on 2003-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1927 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 00:00Z on 2003-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 293 square meters per square second.19395878Sfc1 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
1927 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
649 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
293 m²/s²
0-3 km storm-relative helicity
370 m²/s²
Significant tornado parameter
4.7
Supercell composite
18.7

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.

IssuedProductOfficeCountiesLasted
Apr 25, 1:15 AM CDTMesoscale DiscussionSPCChoctaw, Clarke, Greene, Hale, Marengo, Pickens and 2 more90 min
Apr 25, 5:40 AM CDTMesoscale DiscussionSPCBaldwin, Coffee, Covington, Dale, Escambia, Geneva and 2 more65 min
Apr 25, 6:05 AM CDTTornado WatchSPCCoffee, Covington, Geneva, Houston6 hr
Apr 25, 7:41 AM CDTMesoscale DiscussionSPCHouston94 min
Apr 25, 11:04 AM CDTMesoscale DiscussionSPCColbert, Franklin, Lauderdale, Marion, Winston116 min
Apr 25, 12:45 PM CDTTornado WatchSPCAutauga, Bibb, Blount, Bullock, Butler, Calhoun and 45 more5 hr
Apr 25, 12:59 PM CDTMesoscale DiscussionSPCAutauga, Bibb, Blount, Chilton, Choctaw, Coosa and 15 more2 hr
Apr 25, 3:08 PM CDTMesoscale DiscussionSPCAutauga, Bibb, Blount, Bullock, Calhoun, Chambers and 24 more2 hr
Apr 25, 5:16 PM CDTMesoscale DiscussionSPCAutauga, Barbour, Bibb, Bullock, Butler, Chilton and 15 more59 min
Apr 25, 5:40 PM CDTTornado WatchSPCBarbour, Bullock, Butler, Choctaw, Clarke, Coffee and 10 more5 hr
Apr 24, 7:50 PM CDTTornado WatchSPCAshley, Chicot, Drew4 hr
Apr 24, 9:03 PM CDTMesoscale DiscussionSPCArkansas, Baxter, Clay, Cleburne, Cleveland, Conway and 33 more117 min
Apr 24, 10:51 PM CDTMesoscale DiscussionSPCAshley, Chicot, Drew84 min
Apr 24, 11:45 PM CDTTornado WatchSPCCraighead, Crittenden, Cross, Greene, Lawrence, Lee and 4 more5 hr
Apr 25, 9:22 AM CDTMesoscale DiscussionSPCGadsden, Hamilton, Jefferson, Leon, Liberty, Madison and 1 more113 min
Apr 25, 10:45 AM CDTSevere Thunderstorm WatchSPCBaker, Columbia, Hamilton, Jefferson, Lafayette, Madison and 3 more5 hr
Apr 25, 12:01 PM CDTMesoscale DiscussionSPCAlachua, Baker, Bradford, Citrus, Clay, Columbia and 15 more119 min
Apr 25, 1:15 PM CDTSevere Thunderstorm WatchSPCAlachua, Bradford, Citrus, Clay, Duval, Flagler and 10 more5 hr
Apr 25, 2:17 PM CDTMesoscale DiscussionSPCAlachua, Bradford, Citrus, Clay, Duval, Flagler and 10 more118 min
Apr 25, 5:35 PM CDTMesoscale DiscussionSPCCitrus, Hernando, Lake, Orange, Pasco, Seminole and 2 more55 min
Apr 25, 2:40 PM CDTSevere Thunderstorm WatchSPCAscension, East Baton Rouge, East Feliciana, Iberville, Livingston, Saint Helena and 3 more5 hr
Apr 25, 11:50 AM CDTSevere Thunderstorm WatchSPCBedford, Benton, Bledsoe, Bradley, Cannon, Cheatham and 43 more5 hr
Apr 25, 1:55 PM CDTMesoscale DiscussionSPCCheatham, Davidson, Dickson, Hickman, Houston, Lewis and 4 more2 hr
Apr 25, 3:22 PM CDTMesoscale DiscussionSPCBedford, Cannon, Cheatham, Davidson, DeKalb, Dickson and 20 more113 min
Apr 25, 4:40 PM CDTTornado WatchSPCClay, Macon4 hr
Apr 25, 4:45 PM CDTSevere Thunderstorm WatchSPCBedford, Bledsoe, Bradley, Cannon, Clay, Coffee and 28 more4 hr
Apr 25, 6:48 PM CDTMesoscale DiscussionSPCBledsoe, Bradley, Clay, Cumberland, DeKalb, Fentress and 13 more87 min

Nearby

Mesoscale Discussions in Mississippi, 2003Mesoscale Discussions in Alabama, 2003Mesoscale Discussions in Tennessee, 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.