Alert archive / Mississippi / Tornado Watches in 2002

Tornado Watch 716

October 3, 2002Ashley County, Chicot County, Drew County, Arkansas; 37 parishes in Louisiana; 49 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Oct 3, 2002, 9:55 AM CDT for Ashley County, Chicot County, Drew County, Arkansas; 37 parishes in Louisiana; 49 counties in Mississippi. It was in force for 12 hr.

The area

The outline as issued.

The facts

Issued
Oct 3, 2002, 9:55 AM CDT (14:55 UTC)
Expired
Oct 3, 2002, 10:00 PM CDT
In force
12 hr
Issued by
the Storm Prediction Center
All 89 counties

Ashley County, AR, Chicot County, AR, Drew County, AR, Ascension Parish, LA, Assumption Parish, LA, Avoyelles Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Baton Rouge Parish, LA, East Carroll Parish, LA, East Feliciana Parish, LA, Franklin Parish, LA, Iberia Parish, LA, Iberville Parish, LA, Jefferson Parish, LA, Lafayette Parish, LA, Lafourche Parish, LA, Livingston Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Orleans Parish, LA, Plaquemines Parish, LA, Pointe Coupee Parish, LA, Richland 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, Tensas Parish, LA, Vermilion Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Carroll 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, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena 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, Lincoln County, MS, Madison County, MS, Marion County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Smith County, MS, Stone County, MS, Walthall County, MS, Warren County, MS, Washington County, MS, Wayne County, MS, Wilkinson County, MS, Winston County, MS, Yazoo County, MS

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Oct 3, 10:46 AM CDTTornado WarningLIXLivingston, Tangipahoa29 min
Oct 3, 10:46 AM CDTTornado WarningLIXHancock, Pearl River29 min
Oct 3, 10:56 AM CDTTornado WarningLIXSaint Tammany34 min
Oct 3, 10:56 AM CDTTornado WarningLIXSaint Tammany, Washington6 days
Oct 3, 10:58 AM CDTTornado WarningLCHLafayette32 min
Oct 3, 11:09 AM CDTTornado WarningLIXEast Feliciana22 days
Oct 3, 11:09 AM CDTTornado WarningLIXEast Feliciana, Saint Helena22 days
Oct 3, 11:28 AM CDTTornado WarningLIXHancock, Pearl River22 days
Oct 3, 11:32 AM CDTTornado WarningLCHLafayette28 min
Oct 3, 12:15 PM CDTTornado WarningJANJones30 min
Oct 3, 12:16 PM CDTTornado WarningLIXHancock, Pearl River22 days
Oct 3, 12:18 PM CDTTornado WarningLIXHancock, Pearl River22 days
Oct 3, 12:28 PM CDTTornado WarningJANJasper47 min
Oct 3, 12:53 PM CDTTornado WarningLCHEvangeline, Saint Landry67 min
Oct 3, 12:59 PM CDTTornado WarningJANSmith26 min
Oct 3, 1:25 PM CDTTornado WarningJANScott30 min
Oct 3, 1:41 PM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Simpson44 min
Oct 3, 1:56 PM CDTTornado WarningJANScott19 min
Oct 3, 2:07 PM CDTTornado WarningJANSmith38 min
Oct 3, 3:00 PM CDTSevere Thunderstorm WarningJANClarke45 min
Oct 3, 3:04 PM CDTTornado WarningJANSmith31 min
Oct 3, 3:17 PM CDTTornado WarningJANScott28 min
Oct 3, 3:23 PM CDTTornado WarningJANRankin32 min
Oct 3, 3:37 PM CDTTornado WarningJANSmith48 min
Oct 3, 3:44 PM CDTTornado WarningJANScott61 min
Oct 3, 3:48 PM CDTTornado WarningLIXHarrison22 days
Oct 3, 4:20 PM CDTTornado WarningLIXHarrison22 days
Oct 3, 4:24 PM CDTTornado WarningLIXHarrison22 days
Oct 3, 4:36 PM CDTSevere Thunderstorm WarningJANJasper44 min
Oct 3, 5:11 PM CDTTornado WarningMOBStone33 days
Oct 3, 6:09 PM CDTTornado WarningJANLeake26 min
Oct 3, 7:31 PM CDTTornado WarningJANLeake14 min
Oct 3, 7:37 PM CDTTornado WarningJANAttala28 min

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 2.9 hours before the alert went out and 136 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 2002-10-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 855 joules per kilogram.LCLEL10008507005003002001001 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, Slidell Radar S, LA at 12:00Z on 2002-10-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 305 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
855 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
511 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
305 m²/s²
0-3 km storm-relative helicity
407 m²/s²
Significant tornado parameter
1.1
Supercell composite
8.4

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 031454
SEL6  
SPC WW 031455
ARZ000-LAZ000-MSZ000-CWZ000-040300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 716
STORM PREDICTION CENTER NORMAN OK
955 AM CDT THU OCT 3 2002

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

   EXTREME SOUTHEAST ARKANSAS                           
   NORTHEAST..SOUTH CENTRAL AND SOUTHEAST LOUISIANA               
   CENTRAL AND SOUTHERN MISSISSIPPI                        
   COASTAL WATERS                     

EFFECTIVE THIS THURSDAY FROM 955 AM UNTIL 1000 PM CDT.

TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 105 STATUTE MILES EITHER SIDE
OF A LINE FROM 15 MILES SOUTH OF HOUMA LOUISIANA TO GREENWOOD
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 TORNADO WATCH
NUMBER 715.  WATCH NUMBER 715 WILL NOT BE IN EFFECT AFTER 955 AM
CDT.

DISCUSSION...THREAT FOR A FEW TORNADOES ASSOCIATED WITH LILI IS
EXPECTED TO SPREAD NWD TODAY AND SYSTEM CONTINUES MOVING NWD TOWARD
CENTRAL LA.  VAD WIND PROFILES IN NERN QUADRANT SHOW VERY STRONG
LOW LEVEL SHEAR AND RADAR SHOWS PERIODIC MINIATURE SUPERCELLS
WITHIN CONVECTIVE BANDS OVER SERN LA AND SRN MS.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH...EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 14040.


...WEISS

293,0922 334,0915 331,0881 290,0885

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 2, 9:25 PM CDTTornado WatchSPCAcadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 33 more13 hr

Nearby

Tornado Watches in Mississippi, 2002Tornado Watches in Louisiana, 2002Tornado Watches in Arkansas, 2002Every tornado watch in 2002

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.