Alert archive / Mississippi / Tornado Watches in 2005

Tornado Watch 9

January 13, 200510 counties in Alabama; Saint Helena Parish, Washington Parish, Louisiana; 24 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Jan 13, 2005, 5:45 AM CST for 10 counties in Alabama; Saint Helena Parish, Washington Parish, Louisiana; 24 counties in Mississippi. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jan 13, 2005, 5:45 AM CST (11:45 UTC)
Expired
Jan 13, 2005, 11:00 AM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 36 counties

Bibb County, AL, Choctaw County, AL, Clarke County, AL, Greene County, AL, Hale County, AL, Marengo County, AL, Perry County, AL, Shelby County, AL, Sumter County, AL, Washington County, AL, Saint Helena Parish, LA, Washington Parish, LA, Clarke County, MS, Covington County, MS, Forrest County, MS, George County, MS, Greene 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, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Perry County, MS, Pike County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Walthall County, MS, Wayne County, MS, Winston County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 102 km from the middle of the area, began a volume at 11:45 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
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, 6:30 AM CSTSevere Thunderstorm WarningJANNeshoba45 min
Jan 13, 6:31 AM CSTSevere Thunderstorm WarningJANCovington, Jefferson Davis29 min
Jan 13, 7:02 AM CSTSevere Thunderstorm WarningJANLowndes, Noxubee58 min
Jan 13, 7:06 AM CSTSevere Thunderstorm WarningJANJasper39 min
Jan 13, 7:08 AM CSTSevere Thunderstorm WarningJANKemper52 min
Jan 13, 7:16 AM CSTSevere Thunderstorm WarningJANJefferson Davis, Marion59 min
Jan 13, 7:25 AM CSTSevere Thunderstorm WarningJANClarke65 min
Jan 13, 7:30 AM CSTSevere Thunderstorm WarningJANLauderdale, Newton60 min
Jan 13, 7:32 AM CSTTornado WarningLIXSaint Tammany, Washington43 min
Jan 13, 7:37 AM CSTSevere Thunderstorm WarningJANLamar53 min
Jan 13, 7:42 AM CSTSevere Thunderstorm WarningJANJones48 min
Jan 13, 7:42 AM CSTTornado WarningJANNoxubee18 min
Jan 13, 7:46 AM CSTSevere Thunderstorm WarningJANForrest59 min
Jan 13, 7:59 AM CSTTornado WarningBMXGreene46 min
Jan 13, 8:03 AM CSTTornado WarningBMXSumter42 min
Jan 13, 8:11 AM CSTFlash Flood WarningJANJones2 hr
Jan 13, 8:22 AM CSTSevere Thunderstorm WarningJANForrest53 min
Jan 13, 8:38 AM CSTTornado WarningMOBWayne37 min
Jan 13, 8:58 AM CSTTornado WarningMOBPerry72 days
Jan 13, 9:04 AM CSTSevere Thunderstorm WarningBMXMarengo, Sumter26 min
Jan 13, 9:10 AM CSTTornado WarningMOBGreene73 days
Jan 13, 9:16 AM CSTTornado WarningMOBBaldwin, Washington73 days
Jan 13, 9:22 AM CSTSevere Thunderstorm WarningBMXMarengo, Sumter8 min
Jan 13, 9:50 AM CSTSevere Thunderstorm WarningBMXBibb, Perry40 min
Jan 13, 10:04 AM CSTSevere Thunderstorm WarningBMXDallas, Marengo41 min
Jan 13, 10:09 AM CSTSevere Thunderstorm WarningMOBGeorge40 days

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, 11.8 hours before the alert went out and 112 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°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 131144
SEL9  
SPC WW 131145
ALZ000-LAZ000-MSZ000-131700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 9
NWS STORM PREDICTION CENTER NORMAN OK
545 AM CST THU JAN 13 2005

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

       WESTERN ALABAMA
       SOUTHEAST LOUISIANA
       EASTERN MISSISSIPPI

EFFECTIVE THIS THURSDAY MORNING FROM 545 AM UNTIL 1100 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 70 STATUTE MILES EAST AND WEST
OF A LINE FROM 5 MILES NORTHWEST OF TUSCALOOSA ALABAMA TO 65 MILES
SOUTH SOUTHWEST OF LAUREL 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...CONTINUE...WW 8...

DISCUSSION...STRONG/SEVERE SQUALL LINE CONTINUES EWD ACROSS MS
SUPPORTED BY VERY STRONG SHEAR PROFILES.  LOW LEVEL MOISTURE
CONTINUES TO MOVE NWD AHEAD OF LINE...THUS SUFFICIENT INSTABILITY
EXPECTED TO MAINTAIN A THREAT OF DAMAGING WINDS AND ISOLATED
TORNADOES WITH AND JUST AHEAD OF SQUALL LINE.

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 450.
MEAN STORM MOTION VECTOR 23040.


...HALES

331,0862 304,0882 304,0904 331,0885

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 13, 7:03 AM CSTMesoscale DiscussionSPCBlount, Cullman, Fayette, Franklin, Jefferson, Lamar and 7 more87 min
Jan 13, 7:15 AM CSTSevere Thunderstorm WatchSPCBlount, Colbert, Cullman, Fayette, Franklin, Jackson and 12 more6 hr
Jan 13, 9:53 AM CSTMesoscale DiscussionSPCBlount, Calhoun, Cherokee, Cleburne, DeKalb, Etowah and 2 more2 hr
Jan 13, 10:12 AM CSTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bibb, Bullock, Butler and 31 more63 min
Jan 13, 10:45 AM CSTTornado WatchSPCAutauga, Baldwin, Barbour, Bibb, Bullock, Butler and 29 more5 hr
Jan 13, 1:13 PM CSTMesoscale DiscussionSPCBarbour, Bullock, Coffee, Covington, Crenshaw, Dale and 6 more2 hr
Jan 12, 10:16 PM CSTMesoscale DiscussionSPCBienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 6 more59 min
Jan 12, 10:50 PM CSTSevere Thunderstorm WatchSPCBienville, Caldwell, Claiborne, De Soto, Grant, Jackson and 14 more5 hr
Jan 13, 2:25 AM CSTTornado WatchSPCAcadia, Allen, Avoyelles, Calcasieu, Caldwell, Cameron and 24 more7 hr
Jan 13, 4:36 AM CSTMesoscale DiscussionSPCAcadia, Concordia, East Baton Rouge, East Feliciana, Iberville, Lafayette and 9 more84 min

Nearby

Tornado Watches in Mississippi, 2005Tornado Watches in Alabama, 2005Tornado Watches in Louisiana, 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; radar from the NEXRAD Level II archive.