Alert archive / Mississippi / Tornado Watches in 2006

Tornado Watch 16

January 13, 200634 parishes in Louisiana; 49 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Jan 13, 2006, 2:14 AM CST for 34 parishes in Louisiana; 49 counties in Mississippi. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Jan 13, 2006, 2:14 AM CST (08:14 UTC)
Expired
Jan 13, 2006, 10:00 AM CST
In force
8 hr
Issued by
the Storm Prediction Center
All 83 counties

Acadia Parish, LA, Allen Parish, LA, Ascension Parish, LA, Assumption Parish, LA, Avoyelles Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Evangeline Parish, LA, Iberia Parish, LA, Iberville Parish, LA, Jefferson Davis Parish, LA, Jefferson Parish, LA, Lafayette Parish, LA, Lafourche Parish, LA, Livingston Parish, LA, Orleans Parish, LA, Plaquemines Parish, LA, Pointe Coupee Parish, LA, Rapides 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, Terrebonne 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, Carroll County, MS, Choctaw County, MS, Claiborne County, MS, Clarke County, MS, Clay County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, Grenada County, MS, Hancock County, MS, Hinds County, MS, Holmes County, MS, Humphreys 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, Leflore 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, Pike County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Sunflower County, MS, Walthall County, MS, Warren County, MS, Webster County, MS, Wilkinson County, MS, Winston County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 58 km from the middle of the area, began a volume at 08:14 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

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

IssuedProductOfficeCountiesLasted
Jan 13, 3:41 AM CSTTornado WarningJANHolmes34 min
Jan 13, 3:43 AM CSTSevere Thunderstorm WarningJANHinds, Warren32 min
Jan 13, 4:04 AM CSTTornado WarningJANCarroll, Montgomery21 min
Jan 13, 5:02 AM CSTTornado WarningJANAttala28 min
Jan 13, 6:34 AM CSTTornado WarningJANNewton26 min
Jan 13, 6:44 AM CSTSevere Thunderstorm WarningLIXWashington31 min
Jan 13, 6:51 AM CSTSevere Thunderstorm WarningJANKemper, Lauderdale39 min
Jan 13, 6:59 AM CSTSevere Thunderstorm WarningLIXPearl River31 min
Jan 13, 7:38 AM CSTSevere Thunderstorm WarningLIXHancock, Harrison, Pearl River37 min
Jan 13, 8:25 AM CSTSevere Thunderstorm WarningLIXLafourche35 min
Jan 13, 8:48 AM CSTTornado WarningLIXJefferson, Plaquemines27 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, 8.2 hours before the alert went out and 52 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.

000 
WWUS20 KWNS 130818
SEL6  
SPC WW 130818
LAZ000-MSZ000-CWZ000-131600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 16
NWS STORM PREDICTION CENTER NORMAN OK
215 AM CST FRI JAN 13 2006

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

       CENTRAL AND EASTERN LOUISIANA
       CENTRAL AND SOUTHERN MISSISSIPPI
       COASTAL WATERS

EFFECTIVE THIS FRIDAY MORNING FROM 215 AM UNTIL 1000 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 APPROXIMATELY ALONG AND 90 STATUTE MILES
EAST AND WEST OF A LINE FROM 40 MILES EAST NORTHEAST OF GREENWOOD
MISSISSIPPI TO 45 MILES WEST OF HOUMA LOUISIANA.  FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU6).

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 14...

DISCUSSION...SATELLITE LOOPS SHOW EMBEDDED JET STREAK ASSOCIATED
WITH SRN PLNS UPPER TROUGH NOW ENTERING NE TX. THIS SHOULD SUPPORT
INTENSIFICATION AND POSSIBLY SWD EXTENSION OF EXISTING
STORMS/SUPERCELLS BOTH ALONG COLD FRONT AND PREFRONTAL CONVECTIVE
LINE NOW CROSSING AR/LA.  WHILE DEEP DIRECTIONAL SHEAR AND
INSTABILITY INCREASE WITH SWD EXTENT ACROSS MS/LA TO THE GULF
CST...STRONGEST FORCING FOR ASCENT MAY TRACK A BIT FARTHER N NEAR
THE I-20 CORRIDOR.
SPECIAL NOTE...WATCH NUMBER 15 WAS ACCIDENTLY SKIPPED.

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 26035.


...CORFIDI

334,0875 293,0895 293,0925 334,0910

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 13, 5:20 AM CSTMesoscale DiscussionSPCBaldwin, Choctaw, Clarke, Conecuh, Escambia, Greene and 8 more85 min
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 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, 4:00 AM CSTMesoscale DiscussionSPCCatahoula, Concordia, East Carroll, Franklin, LaSalle, Madison and 1 more60 min

Nearby

Tornado Watches in Mississippi, 2006Tornado Watches in Louisiana, 2006Every tornado watch 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.