Alert archive / Mississippi / Mesoscale Discussions in 2006

Mesoscale Discussion 50

January 13, 20064 states

The Storm Prediction Center issued this mesoscale discussion at Jan 13, 2006, 5:20 AM CST for 4 states. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued
Jan 13, 2006, 5:20 AM CST (11:20 UTC)
Expired
Jan 13, 2006, 6:45 AM CST
In force
85 min
Issued by
the Storm Prediction Center
All 95 counties

Baldwin County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Escambia County, AL, Greene County, AL, Hale County, AL, Marengo County, AL, Mobile County, AL, Monroe County, AL, Pickens County, AL, Sumter County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, Acadia Parish, LA, Ascension Parish, LA, Assumption Parish, LA, Avoyelles Parish, LA, Concordia Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Iberia Parish, LA, Iberville Parish, LA, Jefferson Parish, LA, Lafayette Parish, LA, Livingston Parish, LA, Orleans Parish, LA, Pointe Coupee Parish, LA, Saint Bernard Parish, LA, Saint Charles Parish, LA, Saint Helena Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Saint Tammany Parish, LA, St. Mary Parish, LA, Tangipahoa Parish, LA, Vermilion Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Adams County, MS, Amite County, MS, Attala County, MS, Choctaw County, MS, Claiborne County, MS, Clarke County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Hinds County, MS, Holmes County, MS, Jackson County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Lowndes County, MS, Madison County, MS, Marion County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Stone County, MS, Walthall County, MS, Warren County, MS, Wayne County, MS, Webster County, MS, Wilkinson County, MS, Winston County, MS, Yazoo County, MS

The radar

The Mobile radar (KMOB), 106 km from the middle of the area, began a volume at 11:21 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 11.3 hours before the alert went out and 161 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 2006-01-13Temperature 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, Jackson, MS at 00:00Z on 2006-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 142 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
801 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
142 m²/s²
0-3 km storm-relative helicity
181 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
Jan 13, 7:11 AM CSTTornado WatchSPCAutauga, Baldwin, Barbour, Bullock, Butler, Choctaw and 27 more7 hr
Jan 13, 12:55 PM CSTMesoscale DiscussionSPCBarbour, Bullock, Coffee, Covington, Dale, Geneva and 6 more95 min
Jan 13, 10:15 AM CSTMesoscale DiscussionSPCBaker, Bay, Calhoun, Columbia, Gadsden, Hamilton and 10 more90 min
Jan 13, 12:03 PM CSTTornado WatchSPCColumbia, Dixie, Franklin, Gadsden, Hamilton, Jefferson and 7 more8 hr
Jan 13, 3:36 PM CSTMesoscale DiscussionSPCAlachua, Baker, Bradford, Clay, Duval, Nassau and 3 more84 min
Jan 13, 3:45 PM CSTTornado WatchSPCAlachua, Baker, Bradford, Clay, Duval, Flagler and 6 more7 hr
Jan 13, 4:48 PM CSTMesoscale DiscussionSPCBrevard, Broward, Highlands, Indian River, Martin, Okeechobee and 7 more117 min
Jan 12, 6:53 PM CSTTornado WatchSPCBossier, Caddo, De Soto, Red River, Webster7 hr
Jan 12, 9:52 PM CSTMesoscale DiscussionSPCBossier, Caddo, Webster83 min
Jan 12, 11:10 PM CSTMesoscale DiscussionSPCBienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more95 min
Jan 12, 11:48 PM CSTTornado WatchSPCBienville, Caldwell, Catahoula, Claiborne, Concordia, East Carroll and 15 more6 hr
Jan 13, 1:08 AM CSTMesoscale DiscussionSPCBossier, Webster37 min
Jan 13, 1:47 AM CSTMesoscale DiscussionSPCEast Baton Rouge, East Feliciana, Livingston, Saint Helena, Saint Tammany, Tangipahoa and 2 more88 min
Jan 13, 2:14 AM CSTTornado WatchSPCAcadia, Allen, Ascension, Assumption, Avoyelles, East Baton Rouge and 28 more8 hr
Jan 13, 4:00 AM CSTMesoscale DiscussionSPCCatahoula, Concordia, East Carroll, Franklin, LaSalle, Madison and 1 more60 min

Nearby

Mesoscale Discussions in Mississippi, 2006Mesoscale Discussions in Louisiana, 2006Mesoscale Discussions in Alabama, 2006Every mesoscale discussion in 2006

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.