Alert archive / Mississippi / Mesoscale Discussions in 2003

Mesoscale Discussion 195

March 5, 200322 counties in Alabama; 6 counties in Georgia; 27 counties in Mississippi

The Storm Prediction Center issued this mesoscale discussion at Mar 5, 2003, 9:49 PM CST for 22 counties in Alabama; 6 counties in Georgia; 27 counties in Mississippi. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued
Mar 5, 2003, 9:49 PM CST (03:49 UTC)
Expired
Mar 5, 2003, 11:45 PM CST
In force
116 min
Issued by
the Storm Prediction Center
All 55 counties

Blount County, AL, Calhoun County, AL, Cherokee County, AL, Colbert County, AL, Cullman County, AL, DeKalb County, AL, Etowah County, AL, Fayette County, AL, Franklin County, AL, Jackson County, AL, Jefferson County, AL, Lamar County, AL, Lawrence County, AL, Madison County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, Pickens County, AL, St. Clair County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL, Chattooga County, GA, Floyd County, GA, Gordon County, GA, Murray County, GA, Walker County, GA, Whitfield County, GA, Attala County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Clay County, MS, Grenada County, MS, Holmes County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Leflore County, MS, Lowndes County, MS, Monroe County, MS, Montgomery County, MS, Noxubee County, MS, Oktibbeha County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Sunflower County, MS, Tallahatchie County, MS, Union County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 3.8 hours before the alert went out and 160 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, Little Rock, AR at 00:00Z on 2003-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Little Rock, AR at 00:00Z on 2003-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 299 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
722 m above ground
0-6 km bulk shear
87 kt
0-1 km storm-relative helicity
299 m²/s²
0-3 km storm-relative helicity
349 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
Mar 5, 6:58 PM CSTMesoscale DiscussionSPCBibb, Chilton, Perry62 min
Mar 5, 8:10 PM CSTSevere Thunderstorm WatchSPCAutauga, Calhoun, Chambers, Clay, Cleburne, Coosa and 9 more4 hr
Mar 6, 3:30 AM CSTMesoscale DiscussionSPCAutauga, Bibb, Butler, Chambers, Chilton, Choctaw and 17 more90 min
Mar 6, 5:39 AM CSTMesoscale DiscussionSPCAutauga, Barbour, Bullock, Butler, Chambers, Clarke and 16 more96 min
Mar 6, 7:37 AM CSTMesoscale DiscussionSPCBarbour, Bullock, Chambers, Crenshaw, Elmore, Lee and 5 more83 min
Mar 5, 7:57 PM CSTMesoscale DiscussionSPCBaldwin, Barrow, Bartow, Butts, Carroll, Cherokee and 34 more63 min
Mar 5, 9:28 PM CSTMesoscale DiscussionSPCBibb, Butts, Clayton, Crawford, DeKalb, Fayette and 19 more62 min
Mar 5, 9:52 PM CSTMesoscale DiscussionSPCBurke, Columbia, Emanuel, Glascock, Jefferson, Jenkins and 7 more53 min
Mar 5, 10:35 PM CSTSevere Thunderstorm WatchSPCBaldwin, Barrow, Bibb, Burke, Butts, Clarke and 36 more5 hr
Mar 5, 11:45 PM CSTMesoscale DiscussionSPCBurke, Columbia, Glascock, Jefferson, Lincoln, McDuffie and 4 more60 min
Mar 6, 2:16 AM CSTMesoscale DiscussionSPCBaldwin, Barrow, Bibb, Burke, Butts, Clarke and 36 more59 min
Mar 6, 11:58 AM CSTMesoscale DiscussionSPCAtkinson, Bacon, Berrien, Brantley, Brooks, Camden and 15 more2 hr
Mar 6, 4:55 PM CSTMesoscale DiscussionSPCForrest, Lamar, Marion, Pearl River2 hr

Nearby

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