Alert archive / Alabama / Mesoscale Discussions in 2008

Mesoscale Discussion 52

January 10, 20085 states

The Storm Prediction Center issued this mesoscale discussion at Jan 10, 2008, 5:25 PM CST for 5 states. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued
Jan 10, 2008, 5:25 PM CST (23:25 UTC)
Expired
Jan 10, 2008, 7:00 PM CST
In force
95 min
Issued by
the Storm Prediction Center
All 107 counties

Autauga County, AL, Baldwin County, AL, Bibb County, AL, Blount County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Colbert County, AL, Conecuh County, AL, Cullman County, AL, Dallas County, AL, Escambia County, AL, Fayette County, AL, Franklin County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marengo County, AL, Marion County, AL, Marshall County, AL, Mobile County, AL, Monroe County, AL, Morgan County, AL, Perry County, AL, Pickens County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Tuscaloosa County, AL, Walker County, AL, Washington County, AL, Wilcox County, AL, Winston County, AL, Escambia County, FL, Ascension Parish, LA, Assumption Parish, LA, Jefferson Parish, LA, Lafourche Parish, LA, Livingston Parish, LA, Orleans Parish, LA, Plaquemines Parish, LA, Saint Bernard Parish, LA, Saint Charles Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Tammany Parish, LA, Tangipahoa Parish, LA, Terrebonne Parish, LA, Washington Parish, LA, Clarke County, MS, Covington County, MS, Forrest County, MS, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Jackson County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lowndes County, MS, Marion County, MS, Monroe County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Pearl River County, MS, Perry County, MS, Smith County, MS, Stone County, MS, Wayne County, MS, Bedford County, TN, Cannon County, TN, Cheatham County, TN, Coffee County, TN, Davidson County, TN, DeKalb County, TN, Dickson County, TN, Franklin County, TN, Giles County, TN, Hickman County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Marshall County, TN, Maury County, TN, Moore County, TN, Overton County, TN, Putnam County, TN, Robertson County, TN, Rutherford County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Warren County, TN, Wayne County, TN, Williamson County, TN, Wilson County, TN

The radar

The Jackson/Brandon,MS radar (KDGX), 151 km from the middle of the area, began a volume at 23:25 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

Jackson, MS (KJAN), launched 12:00Z, 11.4 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, Jackson, MS at 12:00Z on 2008-01-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 315 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 2008-01-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 square meters per square second.1939587897Sfc1 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
315 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
592 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
193 m²/s²
0-3 km storm-relative helicity
189 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.3

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
Jan 10, 9:23 AM CSTMesoscale DiscussionSPCBibb, Blount, Colbert, Cullman, Fayette, Franklin and 13 more67 min
Jan 10, 11:33 AM CSTTornado Watch PDSSPCBaldwin, Bibb, Blount, Choctaw, Clarke, Colbert and 27 more9 hr
Jan 10, 1:42 PM CSTMesoscale DiscussionSPCChoctaw, Clarke, Colbert, Cullman, Fayette, Franklin and 15 more93 min
Jan 10, 3:05 PM CSTMesoscale DiscussionSPCAutauga, Bibb, Blount, Calhoun, Cherokee, Chilton and 40 more115 min
Jan 10, 3:42 PM CSTMesoscale DiscussionSPCBibb, Blount, Chilton, Choctaw, Clarke, Colbert and 30 more93 min
Jan 10, 5:16 PM CSTTornado WatchSPCAutauga, Barbour, Bullock, Butler, Calhoun, Chambers and 27 more8 hr
Jan 10, 3:25 AM CSTMesoscale DiscussionSPCBienville, Bossier, Caddo, Claiborne, De Soto, East Carroll and 10 more2 hr
Jan 10, 7:17 AM CSTMesoscale DiscussionSPCAcadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 43 more118 min
Jan 10, 7:46 AM CSTTornado WatchSPCAvoyelles, Catahoula, Concordia, East Baton Rouge, East Carroll, East Feliciana and 14 more8 hr
Jan 10, 10:11 AM CSTMesoscale DiscussionSPCConcordia, East Baton Rouge, East Feliciana, Pointe Coupee, Saint Helena, Tangipahoa and 3 more64 min
Jan 10, 12:09 PM CSTMesoscale DiscussionSPCAvoyelles, Concordia, East Baton Rouge, East Feliciana, Livingston, Pointe Coupee and 6 more96 min
Jan 10, 7:52 AM CSTMesoscale DiscussionSPCCannon, Cheatham, Clay, Davidson, DeKalb, Dickson and 14 more113 min

Nearby

Mesoscale Discussions in Alabama, 2008Mesoscale Discussions in Tennessee, 2008Mesoscale Discussions in Mississippi, 2008Every mesoscale discussion in 2008

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.