Alert archive / Louisiana / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 83

March 10, 20006 counties in Arkansas; 29 parishes in Louisiana; 26 counties in Mississippi

The Storm Prediction Center issued this severe thunderstorm watch at Mar 10, 2000, 1:00 PM CST for 6 counties in Arkansas; 29 parishes in Louisiana; 26 counties in Mississippi. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 10, 2000, 1:00 PM CST (19:00 UTC)
Expired
Mar 10, 2000, 7:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 61 counties

Ashley County, AR, Chicot County, AR, Columbia County, AR, Lafayette County, AR, Miller County, AR, Union County, AR, Avoyelles Parish, LA, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Caldwell Parish, LA, Catahoula Parish, LA, Claiborne Parish, LA, Concordia Parish, LA, De Soto Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Grant Parish, LA, Jackson Parish, LA, LaSalle Parish, LA, Lincoln Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Natchitoches Parish, LA, Ouachita Parish, LA, Rapides Parish, LA, Red River Parish, LA, Richland Parish, LA, Sabine Parish, LA, Tensas Parish, LA, Union Parish, LA, Vernon Parish, LA, Webster Parish, LA, West Carroll Parish, LA, Winn Parish, LA, Adams County, MS, Amite County, MS, Claiborne County, MS, Copiah County, MS, Covington County, MS, Franklin County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jefferson County, MS, Jefferson Davis County, MS, Lamar County, MS, Lawrence County, MS, Lincoln County, MS, Madison County, MS, Marion County, MS, Pike County, MS, Rankin County, MS, Sharkey County, MS, Simpson County, MS, Walthall County, MS, Warren County, MS, Washington County, MS, Wilkinson County, MS, Yazoo County, MS

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 10, 1:01 PM CSTSevere Thunderstorm WarningJANCopiah, Jefferson29 min
Mar 10, 1:13 PM CSTSevere Thunderstorm WarningJANTensas17 min
Mar 10, 1:15 PM CSTSevere Thunderstorm WarningJANMadison30 min
Mar 10, 1:19 PM CSTSevere Thunderstorm WarningJANFranklin, Richland26 min
Mar 10, 1:22 PM CSTSevere Thunderstorm WarningJANHinds53 min
Mar 10, 1:23 PM CSTSevere Thunderstorm WarningSHVBienville37 min
Mar 10, 1:29 PM CSTSevere Thunderstorm WarningJANCopiah31 min
Mar 10, 1:31 PM CSTSevere Thunderstorm WarningJANWest Carroll29 min
Mar 10, 1:33 PM CSTSevere Thunderstorm WarningSHVUnion42 min
Mar 10, 1:37 PM CSTSevere Thunderstorm WarningJANFranklin, Jefferson38 min
Mar 10, 1:42 PM CSTSevere Thunderstorm WarningJANWarren48 min
Mar 10, 1:51 PM CSTSevere Thunderstorm WarningJANFranklin39 min
Mar 10, 1:53 PM CSTSevere Thunderstorm WarningJANAshley52 min
Mar 10, 1:55 PM CSTSevere Thunderstorm WarningJANCovington50 min
Mar 10, 2:00 PM CSTSevere Thunderstorm WarningJANEast Carroll30 min
Mar 10, 2:09 PM CSTSevere Thunderstorm WarningJANYazoo36 min
Mar 10, 2:11 PM CSTSevere Thunderstorm WarningJANChicot34 min
Mar 10, 2:20 PM CSTSevere Thunderstorm WarningJANCopiah, Jefferson55 min
Mar 10, 2:26 PM CSTSevere Thunderstorm WarningJANWashington49 min
Mar 10, 2:31 PM CSTSevere Thunderstorm WarningSHVJackson44 min
Mar 10, 2:33 PM CSTSevere Thunderstorm WarningJANFranklin42 min
Mar 10, 2:36 PM CSTSevere Thunderstorm WarningLCHVernon54 min
Mar 10, 2:36 PM CSTSevere Thunderstorm WarningJANHinds39 min
Mar 10, 2:43 PM CSTSevere Thunderstorm WarningSHVOuachita47 min
Mar 10, 2:44 PM CSTSevere Thunderstorm WarningJANYazoo31 min
Mar 10, 2:46 PM CSTSevere Thunderstorm WarningJANLawrence44 min
Mar 10, 2:47 PM CSTSevere Thunderstorm WarningSHVNatchitoches43 min
Mar 10, 2:48 PM CSTSevere Thunderstorm WarningJANTensas27 min
Mar 10, 2:59 PM CSTSevere Thunderstorm WarningJANSharkey31 min
Mar 10, 3:01 PM CSTSevere Thunderstorm WarningJANMadison44 min
Mar 10, 3:04 PM CSTSevere Thunderstorm WarningJANHolmes26 min
Mar 10, 3:05 PM CSTSevere Thunderstorm WarningSHVSabine40 min
Mar 10, 3:10 PM CSTSevere Thunderstorm WarningJANHumphreys, Sunflower50 min
Mar 10, 3:11 PM CSTSevere Thunderstorm WarningSHVCaldwell34 min
Mar 10, 3:12 PM CSTSevere Thunderstorm WarningJANCarroll, Holmes48 min
Mar 10, 3:15 PM CSTSevere Thunderstorm WarningJANWashington45 min
Mar 10, 3:23 PM CSTSevere Thunderstorm WarningJANClaiborne, Warren52 min
Mar 10, 3:26 PM CSTSevere Thunderstorm WarningLCHVernon64 min
Mar 10, 3:29 PM CSTSevere Thunderstorm WarningJANLawrence46 min
Mar 10, 3:31 PM CSTSevere Thunderstorm WarningJANFranklin44 min
Mar 10, 3:37 PM CSTSevere Thunderstorm WarningJANHinds38 min
Mar 10, 3:46 PM CSTSevere Thunderstorm WarningJANMadison44 min
Mar 10, 3:48 PM CSTSevere Thunderstorm WarningJANJefferson Davis27 min
Mar 10, 3:49 PM CSTSevere Thunderstorm WarningJANMadison26 min
Mar 10, 3:51 PM CSTSevere Thunderstorm WarningJANRichland39 min
Mar 10, 4:01 PM CSTSevere Thunderstorm WarningSHVLaSalle29 min
Mar 10, 4:09 PM CSTSevere Thunderstorm WarningJANCatahoula36 min
Mar 10, 4:12 PM CSTSevere Thunderstorm WarningJANWarren48 min
Mar 10, 4:14 PM CSTSevere Thunderstorm WarningLCHRapides61 min
Mar 10, 4:14 PM CSTSevere Thunderstorm WarningJANHinds46 min
Mar 10, 4:16 PM CSTSevere Thunderstorm WarningJANCovington, Simpson29 min
Mar 10, 4:18 PM CSTSevere Thunderstorm WarningJANTensas42 min
Mar 10, 4:24 PM CSTTornado WarningLCHVernon66 min
Mar 10, 4:37 PM CSTSevere Thunderstorm WarningJANClaiborne33 min
Mar 10, 4:44 PM CSTSevere Thunderstorm WarningLCHAvoyelles61 min
Mar 10, 4:46 PM CSTSevere Thunderstorm WarningJANMadison44 min
Mar 10, 4:53 PM CSTSevere Thunderstorm WarningJANHolmes52 min
Mar 10, 4:55 PM CSTSevere Thunderstorm WarningJANConcordia50 min
Mar 10, 4:59 PM CSTSevere Thunderstorm WarningJANTensas46 min
Mar 10, 4:59 PM CSTSevere Thunderstorm WarningJANClaiborne, Hinds, Warren46 min
Mar 10, 5:12 PM CSTSevere Thunderstorm WarningJANAdams48 min
Mar 10, 5:20 PM CSTSevere Thunderstorm WarningJANJefferson40 min
Mar 10, 5:26 PM CSTSevere Thunderstorm WarningJANCopiah, Lincoln64 min
Mar 10, 5:26 PM CSTSevere Thunderstorm WarningJANFranklin64 min
Mar 10, 5:30 PM CSTSevere Thunderstorm WarningJANMadison45 min
Mar 10, 5:41 PM CSTSevere Thunderstorm WarningJANRankin49 min
Mar 10, 5:46 PM CSTSevere Thunderstorm WarningJANHinds44 min
Mar 10, 6:09 PM CSTSevere Thunderstorm WarningJANSimpson51 min
Mar 10, 6:22 PM CSTSevere Thunderstorm WarningJANRankin53 min
Mar 10, 6:42 PM CSTSevere Thunderstorm WarningLCHVernon63 min
Mar 10, 6:43 PM CSTSevere Thunderstorm WarningJANJefferson Davis47 min
Mar 10, 6:56 PM CSTSevere Thunderstorm WarningJANCovington49 min

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 7.0 hours before the alert went out and 118 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 2000-03-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1329 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 2000-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
1329 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
586 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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.

844 
WWUS9 KMKC 101837
SEL3  

SEL3  
MKC WW 101837
ARZ000-LAZ000-MSZ000-110100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 83
STORM PREDICTION CENTER NORMAN OK
1237 PM CST FRI MAR 10 2000

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   SOUTHERN ARKANSAS                           
   NORTHERN AND CENTRAL LOUISIANA                          
   WESTERN AND CENTRAL MISSISSIPPI                        

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 100 PM UNTIL 700
PM CST.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 125 STATUTE MILES
EAST AND WEST OF A LINE FROM 55 MILES EAST NORTHEAST OF EL DORADO
ARKANSAS TO 40 MILES SOUTH SOUTHWEST OF NATCHEZ MISSISSIPPI.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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 82...

DISCUSSION...THUNDERSTORMS ARE INCREASING IN UNCAPPED AIR MASS. 18Z
SOUNDING FROM SHREVEPORT SHOWED STRONG SURFACE-BASED INSTABILITY.
SHEAR PROFILES ARE NOT THAT STRONG...BUT DAMAGING WINDS AND HAIL
ARE LIKELY GIVEN FAVORABLE THERMODYNAMICS.


AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.  MEAN STORM
MOTION VECTOR 25030.


...VESCIO

333,0894 310,0892 310,0934 333,0940

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 10, 4:00 PM CSTSevere Thunderstorm WatchSPCAcadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 18 more6 hr
Mar 10, 2:00 PM CSTSevere Thunderstorm WatchSPCAlcorn, Attala, Benton, Calhoun, Chickasaw, Choctaw and 35 more5 hr
Mar 10, 5:45 PM CSTTornado WatchSPCAmite, Clarke, Clay, Covington, Forrest, Greene and 26 more5 hr

Nearby

Severe Thunderstorm Watches in Louisiana, 2000Severe Thunderstorm Watches in Mississippi, 2000Severe Thunderstorm Watches in Arkansas, 2000Every severe thunderstorm watch in 2000

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.