Alert archive / Mississippi / Tornado Watches in 2004

Tornado Watch 7

February 5, 200416 counties in Alabama; 19 parishes in Louisiana; 21 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Feb 5, 2004, 4:55 PM CST for 16 counties in Alabama; 19 parishes in Louisiana; 21 counties in Mississippi. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Feb 5, 2004, 4:55 PM CST (22:55 UTC)
Expired
Feb 5, 2004, 11:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 56 counties

Bibb County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Dallas County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Marengo County, AL, Perry County, AL, Pickens County, AL, Shelby County, AL, Sumter County, AL, Talladega County, AL, Tuscaloosa County, AL, Washington County, AL, Ascension Parish, LA, Assumption Parish, LA, East Baton Rouge Parish, LA, Iberia Parish, LA, Iberville Parish, LA, Lafourche Parish, LA, Livingston Parish, LA, Orleans Parish, LA, Saint Charles Parish, LA, Saint Helena Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Martin Parish, LA, Saint Tammany Parish, LA, St. Mary Parish, LA, Tangipahoa Parish, LA, Terrebonne Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, Clarke County, MS, Covington County, MS, Forrest County, MS, Greene County, MS, Hancock County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Marion County, MS, Newton County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Smith County, MS, Stone County, MS, Walthall County, MS, Wayne County, MS

Warnings issued inside it

43 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Feb 5, 4:56 PM CSTSevere Thunderstorm WarningJANLauderdale49 min
Feb 5, 4:59 PM CSTSevere Thunderstorm WarningLIXEast Baton Rouge31 min
Feb 5, 5:00 PM CSTSevere Thunderstorm WarningJANKemper30 min
Feb 5, 5:05 PM CSTFlash Flood WarningJANLauderdale, Newton4 hr
Feb 5, 5:16 PM CSTSevere Thunderstorm WarningBMXSumter44 min
Feb 5, 5:16 PM CSTFlash Flood WarningJANLawrence4 hr
Feb 5, 5:18 PM CSTSevere Thunderstorm WarningBMXPickens42 min
Feb 5, 5:22 PM CSTSevere Thunderstorm WarningLIXEast Feliciana, Saint Helena23 min
Feb 5, 5:24 PM CSTTornado WarningBMXPickens36 min
Feb 5, 5:38 PM CSTFlash Flood WarningBMXPickens3 hr
Feb 5, 5:51 PM CSTSevere Thunderstorm WarningBMXGreene24 min
Feb 5, 5:53 PM CSTTornado WarningBMXTuscaloosa52 min
Feb 5, 5:58 PM CSTTornado WarningBMXPickens17 min
Feb 5, 5:59 PM CSTSevere Thunderstorm WarningJANLauderdale36 min
Feb 5, 6:13 PM CSTSevere Thunderstorm WarningBMXGreene32 min
Feb 5, 6:20 PM CSTSevere Thunderstorm WarningLIXPike, Walthall25 min
Feb 5, 6:32 PM CSTSevere Thunderstorm WarningBMXSumter43 min
Feb 5, 6:40 PM CSTSevere Thunderstorm WarningLIXEast Baton Rouge, Iberville, West Baton Rouge50 min
Feb 5, 6:46 PM CSTSevere Thunderstorm WarningBMXTuscaloosa44 min
Feb 5, 6:50 PM CSTTornado WarningBMXSumter25 min
Feb 5, 6:53 PM CSTTornado WarningBMXTuscaloosa37 min
Feb 5, 7:00 PM CSTTornado WarningBMXGreene45 min
Feb 5, 7:05 PM CSTFlash Flood WarningBMXSumter115 min
Feb 5, 7:29 PM CSTTornado WarningBMXTuscaloosa46 min
Feb 5, 7:33 PM CSTSevere Thunderstorm WarningBMXJefferson42 min
Feb 5, 7:44 PM CSTTornado WarningBMXGreene16 min
Feb 5, 7:55 PM CSTTornado WarningBMXJefferson35 min
Feb 5, 8:06 PM CSTFlash Flood WarningBMXFayette, Lamar, Marion, Pickens, Tuscaloosa, Walker and 1 more3 hr
Feb 5, 8:10 PM CSTTornado WarningBMXTuscaloosa35 min
Feb 5, 8:10 PM CSTFlash Flood WarningJANKemper, Lauderdale, Neshoba, Newton, Noxubee6 hr
Feb 5, 8:27 PM CSTTornado WarningBMXJefferson48 min
Feb 5, 8:33 PM CSTSevere Thunderstorm WarningLIXWashington27 min
Feb 5, 8:38 PM CSTTornado WarningLIXWalthall22 min
Feb 5, 8:40 PM CSTTornado WarningJANMarion60 min
Feb 5, 9:08 PM CSTSevere Thunderstorm WarningJANCovington, Jefferson Davis57 min
Feb 5, 9:15 PM CSTFlash Flood WarningBMXGreene, Sumter3 hr
Feb 5, 9:16 PM CSTTornado WarningBMXJefferson29 min
Feb 5, 9:23 PM CSTSevere Thunderstorm WarningJANLamar47 min
Feb 5, 9:44 PM CSTSevere Thunderstorm WarningJANForrest, Jones41 min
Feb 5, 9:58 PM CSTSevere Thunderstorm WarningJANLawrence57 min
Feb 5, 10:16 PM CSTSevere Thunderstorm WarningBMXTuscaloosa29 min
Feb 5, 10:42 PM CSTSevere Thunderstorm WarningBMXJefferson48 min
Feb 5, 10:59 PM CSTFlash Flood WarningBMXJefferson4 hr

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.9 hours before the alert went out and 86 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, Slidell Radar S, LA at 12:00Z on 2004-02-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 772 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2004-02-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 338 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
772 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
446 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
338 m²/s²
0-3 km storm-relative helicity
542 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS20 KWNS 052257
SEL7  
SPC WW 052255
ALZ000-LAZ000-MSZ000-CWZ000-060500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 7
NWS STORM PREDICTION CENTER NORMAN OK
455 PM CST THU FEB 5 2004

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       CENTRAL AND WESTERN ALABAMA
       SOUTHEASTERN LOUISIANA
       SOUTHERN AND EASTERN MISSISSIPPI
       COASTAL WATERS

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 455 PM UNTIL
1100 PM CST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 60 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES EAST AND WEST
OF A LINE FROM 5 MILES NORTHWEST OF BIRMINGHAM ALABAMA TO 55 MILES
WEST SOUTHWEST OF HOUMA LOUISIANA.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 6. WATCH NUMBER 6 WILL NOT BE IN EFFECT AFTER 455 PM
CST. CONTINUE...WW 7...


DISCUSSION...THREAT FOR ISOLATED TORNADOES AND DAMAGING WIND
EXPECTED TO PERSIST ALONG VERY SLOWLY PROGRESSIVE BAND EXTENDING
FROM NEAR LFT NE TO W OF BHM. WHILE STRONGEST PRESSURE FALLS WILL
PROBABLY CONTINUE TO MOVE NWD INTO THE TN/OH VLY REGION AND BEYOND
SURFACE-BASED INSTABILITY AXIS IN WW AREA DURING THE NEXT 3-4
HRS...SATELLITE DATA SUGGEST PRESENCE OF UPSTREAM HIGH LEVEL IMPULSE
WHICH MAY ENHANCE SHEAR/UPLIFT OVER THE CNTRL GULF CST REGION LATER
THIS EVENING.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.
MEAN STORM MOTION VECTOR 23040.


...CORFIDI

333,0854 291,0902 291,0923 333,0875

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 5, 9:52 AM CSTMesoscale DiscussionSPCChoctaw, Washington113 min
Feb 5, 11:35 AM CSTTornado WatchSPCAutauga, Chilton, Choctaw, Clarke, Dallas, Greene and 6 more5 hr
Feb 5, 1:11 PM CSTMesoscale DiscussionSPCChoctaw, Clarke, Greene, Hale, Marengo, Perry and 2 more2 hr
Feb 5, 3:22 PM CSTMesoscale DiscussionSPCChoctaw, Marengo, Sumter113 min
Feb 5, 4:43 PM CSTMesoscale DiscussionSPCAutauga, Chilton, Choctaw, Clarke, Dallas, Greene and 6 more32 min
Feb 4, 11:37 PM CSTMesoscale DiscussionSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Evangeline and 10 more83 min
Feb 5, 1:16 AM CSTMesoscale DiscussionSPCBeauregard, Bienville, De Soto, Grant, Jackson, Lincoln and 6 more119 min
Feb 5, 5:08 AM CSTMesoscale DiscussionSPCAcadia, Allen, Ascension, Assumption, Avoyelles, Calcasieu and 27 more3 hr
Feb 5, 5:40 AM CSTTornado WatchSPCAcadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 33 more6 hr
Feb 5, 7:35 AM CSTMesoscale DiscussionSPCAcadia, Calcasieu, Cameron, East Baton Rouge, East Feliciana, Evangeline and 11 more115 min
Feb 5, 8:02 AM CSTMesoscale DiscussionSPCAcadia, Calcasieu, Cameron, East Baton Rouge, East Feliciana, Evangeline and 11 more118 min

Nearby

Tornado Watches in Mississippi, 2004Tornado Watches in Louisiana, 2004Tornado Watches in Alabama, 2004Every tornado watch in 2004

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.