Alert archive / Mississippi / Tornado Watches in 2006

Tornado Watch 50

March 9, 2006Chicot County, Arkansas; 47 parishes in Louisiana; 74 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Mar 9, 2006, 11:29 AM CST for Chicot County, Arkansas; 47 parishes in Louisiana; 74 counties in Mississippi. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Mar 9, 2006, 11:29 AM CST (17:29 UTC)
Expired
Mar 9, 2006, 6:00 PM CST
In force
7 hr
Issued by
the Storm Prediction Center
All 122 counties

Chicot County, AR, Acadia Parish, LA, Allen Parish, LA, Ascension Parish, LA, Assumption Parish, LA, Avoyelles Parish, LA, Beauregard 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, Iberia Parish, LA, Iberville Parish, LA, Jefferson Davis Parish, LA, Jefferson Parish, LA, Lafayette Parish, LA, Lafourche Parish, LA, LaSalle Parish, LA, Livingston Parish, LA, Madison Parish, LA, Orleans Parish, LA, Pointe Coupee Parish, LA, Rapides Parish, LA, Richland 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, Tensas Parish, LA, Terrebonne Parish, LA, Vermilion Parish, LA, Vernon Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Carroll Parish, LA, West Feliciana Parish, LA, Adams County, MS, Alcorn County, MS, Amite County, MS, Attala County, MS, Benton County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Claiborne County, MS, Clarke County, MS, Clay County, MS, Coahoma County, MS, Copiah County, MS, Covington County, MS, DeSoto County, MS, Forrest County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Itawamba County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lafayette County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lee County, MS, Leflore County, MS, Lincoln County, MS, Lowndes County, MS, Madison County, MS, Marion County, MS, Marshall County, MS, Monroe County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Panola County, MS, Pearl River County, MS, Pike County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Smith County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Walthall County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Wilkinson County, MS, Winston County, MS, Yalobusha County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 74 km from the middle of the area, began a volume at 17:28 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

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

IssuedProductOfficeCountiesLasted
Mar 9, 11:32 AM CSTSevere Thunderstorm WarningJANFranklin43 min
Mar 9, 11:34 AM CSTTornado WarningJANChicot41 min
Mar 9, 11:39 AM CSTSevere Thunderstorm WarningJANCatahoula51 min
Mar 9, 11:42 AM CSTTornado WarningJANBolivar35 min
Mar 9, 11:56 AM CSTTornado WarningJANSunflower49 min
Mar 9, 11:57 AM CSTSevere Thunderstorm WarningJANIssaquena, Sharkey63 min
Mar 9, 12:00 PM CSTSevere Thunderstorm WarningMEGCoahoma, Quitman, Tallahatchie45 min
Mar 9, 12:01 PM CSTSevere Thunderstorm WarningJANMadison59 min
Mar 9, 12:01 PM CSTSevere Thunderstorm WarningJANHumphreys59 min
Mar 9, 12:14 PM CSTTornado WarningJANLeflore46 min
Mar 9, 12:14 PM CSTTornado WarningJANLeflore46 min
Mar 9, 12:17 PM CSTFlash Flood WarningMEGDeSoto, Tunica118 min
Mar 9, 12:20 PM CSTTornado WarningMEGQuitman, Tallahatchie25 min
Mar 9, 12:28 PM CSTSevere Thunderstorm WarningJANCatahoula, Concordia, Tensas62 min
Mar 9, 12:29 PM CSTSevere Thunderstorm WarningMEGPanola46 min
Mar 9, 12:33 PM CSTSevere Thunderstorm WarningJANIssaquena, Warren49 min
Mar 9, 12:36 PM CSTTornado WarningMEGPanola39 min
Mar 9, 12:40 PM CSTSevere Thunderstorm WarningJANCarroll, Grenada65 min
Mar 9, 12:42 PM CSTTornado WarningMEGTallahatchie, Yalobusha48 min
Mar 9, 12:47 PM CSTSevere Thunderstorm WarningJANYazoo75 min
Mar 9, 12:51 PM CSTSevere Thunderstorm WarningJANAdams, Claiborne, Jefferson54 min
Mar 9, 12:52 PM CSTSevere Thunderstorm WarningJANHolmes53 min
Mar 9, 1:03 PM CSTTornado WarningMEGLafayette, Marshall, Tate42 min
Mar 9, 1:07 PM CSTSevere Thunderstorm WarningJANHinds, Madison68 min
Mar 9, 1:11 PM CSTSevere Thunderstorm WarningMEGCalhoun49 min
Mar 9, 1:29 PM CSTSevere Thunderstorm WarningJANMontgomery61 min
Mar 9, 1:32 PM CSTTornado WarningMEGBenton, Union43 min
Mar 9, 1:39 PM CSTSevere Thunderstorm WarningMEGPontotoc51 min
Mar 9, 1:43 PM CSTTornado WarningMEGMarshall47 min
Mar 9, 1:44 PM CSTSevere Thunderstorm WarningJANAttala, Carroll, Holmes61 min
Mar 9, 1:46 PM CSTTornado WarningMEGTippah44 min
Mar 9, 1:48 PM CSTSevere Thunderstorm WarningLIXPointe Coupee, West Feliciana27 min
Mar 9, 1:48 PM CSTSevere Thunderstorm WarningMEGChickasaw42 min
Mar 9, 1:53 PM CSTSevere Thunderstorm WarningJANWebster61 min
Mar 9, 1:56 PM CSTSevere Thunderstorm WarningJANRankin49 min
Mar 9, 2:01 PM CSTSevere Thunderstorm WarningJANAdams, Franklin, Jefferson29 min
Mar 9, 2:07 PM CSTTornado WarningMEGAlcorn38 min
Mar 9, 2:09 PM CSTSevere Thunderstorm WarningMEGLee, Prentiss51 min
Mar 9, 2:10 PM CSTSevere Thunderstorm WarningJANLeake65 min
Mar 9, 2:16 PM CSTSevere Thunderstorm WarningJANChoctaw40 min
Mar 9, 2:16 PM CSTSevere Thunderstorm WarningLIXAmite, Wilkinson14 min
Mar 9, 2:24 PM CSTTornado WarningMEGPontotoc27 min
Mar 9, 2:29 PM CSTSevere Thunderstorm WarningJANWinston67 min
Mar 9, 2:30 PM CSTSevere Thunderstorm WarningMEGTishomingo45 min
Mar 9, 2:37 PM CSTSevere Thunderstorm WarningMEGChickasaw38 min
Mar 9, 2:38 PM CSTSevere Thunderstorm WarningJANClay, Oktibbeha51 min
Mar 9, 2:44 PM CSTSevere Thunderstorm WarningJANCopiah, Simpson52 min
Mar 9, 2:47 PM CSTSevere Thunderstorm WarningMEGItawamba, Monroe43 min
Mar 9, 2:51 PM CSTSevere Thunderstorm WarningJANNeshoba54 min
Mar 9, 2:52 PM CSTSevere Thunderstorm WarningMEGAlcorn23 min
Mar 9, 2:54 PM CSTTornado WarningLIXAmite, Pike21 min
Mar 9, 2:54 PM CSTSevere Thunderstorm WarningMEGLee, Prentiss36 min
Mar 9, 3:00 PM CSTTornado WarningJANFranklin, Lincoln30 min
Mar 9, 3:04 PM CSTSevere Thunderstorm WarningJANLowndes, Noxubee56 min
Mar 9, 3:10 PM CSTSevere Thunderstorm WarningMEGTishomingo35 min
Mar 9, 3:17 PM CSTSevere Thunderstorm WarningJANNewton, Scott58 min
Mar 9, 3:21 PM CSTSevere Thunderstorm WarningJANSmith54 min
Mar 9, 3:23 PM CSTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Lawrence37 min
Mar 9, 3:24 PM CSTSevere Thunderstorm WarningMEGItawamba, Monroe36 min
Mar 9, 3:31 PM CSTSevere Thunderstorm WarningJANKemper, Neshoba66 min
Mar 9, 3:49 PM CSTSevere Thunderstorm WarningJANJasper40 min
Mar 9, 3:52 PM CSTSevere Thunderstorm WarningJANLauderdale68 min
Mar 9, 4:00 PM CSTSevere Thunderstorm WarningJANNoxubee30 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 12:00Z, 5.5 hours before the alert went out and 65 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 12:00Z on 2006-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 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 12:00Z on 2006-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 237 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
37 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
717 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
237 m²/s²
0-3 km storm-relative helicity
320 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 091730
SEL0  
SPC WW 091730
ARZ000-LAZ000-MSZ000-CWZ000-100000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 50
NWS STORM PREDICTION CENTER NORMAN OK
1130 AM CST THU MAR 9 2006

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

       EXTREME SOUTHEAST ARKANSAS
       SOUTHERN AND EASTERN LOUISIANA
       MUCH OF MISSISSIPPI
       COASTAL WATERS

EFFECTIVE THIS THURSDAY MORNING AND EVENING FROM 1130 AM UNTIL 600
PM CST.

TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 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 50 MILES NORTH OF TUPELO MISSISSIPPI
TO 20 MILES SOUTH SOUTHWEST OF INTRACOASTAL CITY LOUISIANA.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU0).

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 48. WATCH NUMBER 48 WILL NOT BE IN EFFECT AFTER 1130
AM CST. CONTINUE...WW 49...

DISCUSSION...BROKEN SQUALL LINE WITH EMBEDDED BOW/SUPERCELL
STRUCTURES WILL CONTINUE EWD ACROSS LA/AR INTO MS DURING THE
AFTERNOON.  THOUGH INSTABILITY IS SOMEWHAT LIMITED IN THE WARM
SECTOR ACROSS MS...VERY STRONG LOW-MID LEVEL SHEAR WILL MAINTAIN A
THREAT FOR INTENSE DAMAGING WINDS AND TORNADOES.  THE EXTREME NATURE
OF THE SHEAR MAY ALSO SUPPORT A STRONG TORNADO THIS AFTERNOON WITHIN
THE CORRIDOR OF RICHEST LOW-LEVEL MOISTURE AND STRONGEST PRESSURE
FALLS NEAR THE MS RIVER.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24045.


...THOMPSON

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 9, 11:05 AM CSTMesoscale DiscussionSPCLamar85 min
Mar 9, 1:52 PM CSTMesoscale DiscussionSPCBibb, Blount, Choctaw, Colbert, Cullman, Fayette and 20 more83 min
Mar 9, 2:40 PM CSTSevere Thunderstorm WatchSPCBibb, Blount, Chilton, Colbert, Cullman, Dallas and 25 more6 hr
Mar 9, 3:51 PM CSTMesoscale DiscussionSPCColbert, Franklin, Lamar54 min
Mar 9, 4:54 PM CSTMesoscale DiscussionSPCAutauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 33 more36 min
Mar 9, 5:43 PM CSTMesoscale DiscussionSPCBaldwin, Choctaw, Clarke, Mobile, Washington32 min
Mar 9, 1:14 AM CSTSevere Thunderstorm WatchSPCBaxter, Benton, Boone, Carroll, Cleburne, Crawford and 16 more6 hr
Mar 9, 1:36 AM CSTTornado WatchSPCArkansas, Bradley, Calhoun, Clark, Cleveland, Columbia and 33 more5 hr
Mar 9, 1:57 AM CSTMesoscale DiscussionSPCPolk, Scott, Sebastian63 min
Mar 9, 5:48 AM CSTTornado WatchSPCAshley, Chicot, Columbia, Hempstead, Howard, Lafayette and 5 more6 hr
Mar 9, 6:10 AM CSTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Clay, Cleburne and 30 more95 min
Mar 9, 6:52 AM CSTTornado WatchSPCArkansas, Bradley, Calhoun, Clark, Clay, Cleburne and 39 more6 hr
Mar 9, 10:30 AM CSTMesoscale DiscussionSPCArkansas, Bradley, Clay, Cleveland, Craighead, Crittenden and 18 more2 hr
Mar 9, 10:34 AM CSTMesoscale DiscussionSPCBenton, Boone, Carroll, Crawford, Franklin, Johnson and 7 more116 min
Mar 9, 12:30 PM CSTSevere Thunderstorm WatchSPCBaxter, Benton, Boone, Carroll, Conway, Crawford and 20 more6 hr
Mar 9, 1:55 PM CSTMesoscale DiscussionSPCClark, Cleburne, Faulkner, Fulton, Grant, Hot Spring and 14 more2 hr
Mar 9, 3:06 PM CSTMesoscale DiscussionSPCBaxter, Boone, Conway, Marion, Newton, Perry and 3 more84 min
Mar 9, 4:44 PM CSTMesoscale DiscussionSPCClay, Craighead, Greene, Lawrence, Mississippi, Poinsett and 1 more61 min
Mar 9, 5:18 PM CSTTornado WatchSPCClay, Craighead, Greene, Mississippi3 hr
Mar 9, 5:14 AM CSTMesoscale DiscussionSPCAcadia, Allen, Avoyelles, Beauregard, Bienville, Bossier and 29 more91 min

Nearby

Tornado Watches in Mississippi, 2006Tornado Watches in Louisiana, 2006Tornado Watches in Arkansas, 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.