Alert archive / Mississippi / Tornado Watches in 2005

Tornado Watch 8

January 13, 2005Chicot County, Arkansas; 30 parishes in Louisiana; 47 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Jan 13, 2005, 2:25 AM CST for Chicot County, Arkansas; 30 parishes in Louisiana; 47 counties in Mississippi. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jan 13, 2005, 2:25 AM CST (08:25 UTC)
Expired
Jan 13, 2005, 9:00 AM CST
In force
7 hr
Issued by
the Storm Prediction Center
All 78 counties

Chicot County, AR, Acadia Parish, LA, Allen Parish, LA, Avoyelles Parish, LA, Calcasieu Parish, LA, Caldwell Parish, LA, Cameron Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Baton Rouge Parish, LA, East Carroll Parish, LA, East Feliciana Parish, LA, Evangeline Parish, LA, Franklin Parish, LA, Grant Parish, LA, Iberville Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, LaSalle Parish, LA, Madison Parish, LA, Pointe Coupee Parish, LA, Rapides Parish, LA, Richland Parish, LA, Saint Helena Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Tensas Parish, LA, Vermilion Parish, LA, West Baton Rouge Parish, LA, West Carroll Parish, LA, West Feliciana Parish, LA, Adams County, MS, Amite County, MS, Attala County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Claiborne County, MS, Clay County, MS, Coahoma County, MS, Copiah County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Itawamba County, MS, Jefferson County, MS, Lafayette County, MS, Lawrence County, MS, Leake County, MS, Lee County, MS, Leflore County, MS, Lincoln County, MS, Madison County, MS, Monroe County, MS, Montgomery County, MS, Oktibbeha County, MS, Panola County, MS, Pike County, MS, Pontotoc County, MS, Quitman County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Sunflower County, MS, Tallahatchie County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Wilkinson County, MS, Winston County, MS, Yalobusha County, MS, Yazoo County, MS

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jan 13, 2:42 AM CSTSevere Thunderstorm WarningLCHAllen63 min
Jan 13, 2:45 AM CSTSevere Thunderstorm WarningJANFranklin, Richland45 min
Jan 13, 2:55 AM CSTSevere Thunderstorm WarningJANBolivar35 min
Jan 13, 3:07 AM CSTSevere Thunderstorm WarningJANWest Carroll38 min
Jan 13, 3:12 AM CSTSevere Thunderstorm WarningLCHJefferson Davis63 min
Jan 13, 3:41 AM CSTSevere Thunderstorm WarningJANEast Carroll49 min
Jan 13, 4:02 AM CSTSevere Thunderstorm WarningJANSunflower28 min
Jan 13, 4:05 AM CSTSevere Thunderstorm WarningJANWarren10 min
Jan 13, 4:27 AM CSTSevere Thunderstorm WarningJANYazoo73 min
Jan 13, 4:49 AM CSTSevere Thunderstorm WarningJANHinds56 min
Jan 13, 5:07 AM CSTSevere Thunderstorm WarningJANMadison53 min
Jan 13, 5:39 AM CSTSevere Thunderstorm WarningLIXAmite, Wilkinson41 days
Jan 13, 5:40 AM CSTSevere Thunderstorm WarningJANRankin65 min
Jan 13, 5:52 AM CSTTornado WarningJANChoctaw, Montgomery38 min
Jan 13, 5:59 AM CSTTornado WarningJANWebster61 min
Jan 13, 6:00 AM CSTSevere Thunderstorm WarningJANAttala30 min
Jan 13, 6:06 AM CSTSevere Thunderstorm WarningJANLeake39 min
Jan 13, 6:08 AM CSTSevere Thunderstorm WarningJANScott52 min
Jan 13, 6:22 AM CSTSevere Thunderstorm WarningJANWinston38 min
Jan 13, 6:24 AM CSTTornado WarningJANSimpson, Smith66 min
Jan 13, 6:25 AM CSTSevere Thunderstorm WarningJANClay50 min
Jan 13, 6:38 AM CSTSevere Thunderstorm WarningJANOktibbeha52 min
Jan 13, 6:39 AM CSTSevere Thunderstorm WarningMEGChickasaw, Monroe39 days
Jan 13, 7:18 AM CSTTornado WarningMEGMonroe12 min

Discussions around it

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

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 8.4 hours before the alert went out and 156 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 2005-01-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 95 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 2005-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 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
95 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
880 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 130826
SEL8  
SPC WW 130825
ARZ000-LAZ000-MSZ000-CWZ000-131500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 8
NWS STORM PREDICTION CENTER NORMAN OK
225 AM CST THU JAN 13 2005

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

       SOUTHEAST ARKANSAS
       EASTERN AND SOUTHERN LOUISIANA
       WESTERN AND NORTHERN MISSISSIPPI
       COASTAL WATERS

EFFECTIVE THIS THURSDAY MORNING FROM 225 AM UNTIL 900 AM CST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 75 STATUTE MILES EAST AND WEST
OF A LINE FROM 25 MILES WEST OF INTRACOASTAL CITY LOUISIANA TO 10
MILES EAST NORTHEAST OF OXFORD MISSISSIPPI.

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 SEVERE
THUNDERSTORM WATCH NUMBER 7. WATCH NUMBER 7 WILL NOT BE IN EFFECT
AFTER 225 AM CST. CONTINUE...WW 6...

DISCUSSION...STRONG/SEVERE SQUALL LINE FROM WRN TN SSWWD INTO GULF
VICINITY SERN TX/LA BORDER WILL CONTINUE EWD AS STRONG TROUGH MOVES
EWD ACROSS SRN PLAINS. SHEAR PROFILES REMAIN VERY STRONG/FAVORABLE
FOR SUPERCELLS. PRIMARY MODE HAS BEEN LINEAR SO FAR...HOWEVER THREAT
OF EMBEDDED TORNADIC SUPERCELLS AS WELL AS MORE DISCRETE STORMS
AHEAD OF LINE REMAINS A CONCERN REMAINDER OF NIGHT FOR TORNADOS IN
ADDITION TO THE ONGOING WIND DAMAGE THREAT.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 23035.


...HALES

294,0934 342,0904 342,0880 294,0911

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 12, 6:02 PM CSTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Crawford, Franklin and 9 more88 min
Jan 12, 7:52 PM CSTMesoscale DiscussionSPCClark, Conway, Franklin, Garland, Hempstead, Howard and 15 more83 min
Jan 12, 9:28 PM CSTMesoscale DiscussionSPCClay, Cleburne, Craighead, Fulton, Greene, Independence and 5 more32 min
Jan 12, 10:16 PM CSTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Clark, Clay and 44 more59 min
Jan 12, 10:50 PM CSTSevere Thunderstorm WatchSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Cleburne and 27 more5 hr
Jan 13, 4:36 AM CSTMesoscale DiscussionSPCAcadia, Concordia, East Baton Rouge, East Feliciana, Iberville, Lafayette and 9 more84 min
Jan 13, 5:45 AM CSTTornado WatchSPCSaint Helena, Washington5 hr
Jan 13, 10:12 AM CSTMesoscale DiscussionSPCJackson63 min

Nearby

Tornado Watches in Mississippi, 2005Tornado Watches in Louisiana, 2005Tornado Watches in Arkansas, 2005Every tornado watch in 2005

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.