Alert archive / Louisiana / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 465

June 2, 200325 parishes in Louisiana; 19 counties in Mississippi

The Storm Prediction Center issued this severe thunderstorm watch at Jun 2, 2003, 3:20 PM CDT for 25 parishes in Louisiana; 19 counties in Mississippi. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 2, 2003, 3:20 PM CDT (20:20 UTC)
Expired
Jun 2, 2003, 9:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 44 counties

Bienville Parish, LA, Bossier 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, Red River Parish, LA, Richland Parish, LA, Sabine Parish, LA, Tensas Parish, LA, Union Parish, LA, Webster Parish, LA, West Carroll Parish, LA, Winn Parish, LA, Adams County, MS, Attala County, MS, Claiborne County, MS, Copiah County, MS, Franklin County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jefferson County, MS, Jefferson Davis County, MS, Lawrence County, MS, Lincoln County, MS, Madison County, MS, Rankin County, MS, Sharkey County, MS, Simpson County, MS, Warren County, MS, Yazoo County, MS

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 2, 5:04 PM CDTSevere Thunderstorm WarningJANSharkey46 min
Jun 2, 5:10 PM CDTSevere Thunderstorm WarningJANHinds, Madison, Rankin45 min
Jun 2, 5:26 PM CDTSevere Thunderstorm WarningJANHumphreys59 min
Jun 2, 5:54 PM CDTSevere Thunderstorm WarningJANRankin41 min
Jun 2, 6:05 PM CDTSevere Thunderstorm WarningJANAttala, Leake, Madison60 min
Jun 2, 6:18 PM CDTSevere Thunderstorm WarningJANHolmes62 min
Jun 2, 6:33 PM CDTSevere Thunderstorm WarningJANLawrence, Lincoln62 min
Jun 2, 6:35 PM CDTSevere Thunderstorm WarningJANRankin45 min
Jun 2, 6:52 PM CDTSevere Thunderstorm WarningJANCopiah, Simpson43 min
Jun 2, 6:56 PM CDTSevere Thunderstorm WarningJANJefferson Davis39 min
Jun 2, 7:07 PM CDTSevere Thunderstorm WarningJANAttala58 min
Jun 2, 7:13 PM CDTSevere Thunderstorm WarningJANRankin42 min
Jun 2, 7:21 PM CDTSevere Thunderstorm WarningJANJefferson Davis, Lawrence, Simpson14 min
Jun 2, 7:31 PM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Simpson, Smith59 min
Jun 2, 7:51 PM CDTSevere Thunderstorm WarningJANRankin, Scott59 min
Jun 2, 7:55 PM CDTSevere Thunderstorm WarningJANMadison30 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

Shreveport, LA (KSHV), launched 12:00Z, 8.3 hours before the alert went out and 153 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, Shreveport, LA at 12:00Z on 2003-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1041 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, Shreveport, LA at 12:00Z on 2003-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.193958Sfc1 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
1041 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
944 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.4

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 2, 4:58 PM CDTMesoscale DiscussionSPCCaldwell, Catahoula, Concordia, East Carroll, Franklin, Grant and 8 more2 hr
Jun 2, 12:30 PM CDTMesoscale DiscussionSPCCoahoma, DeSoto, Quitman, Tate, Tunica2 hr
Jun 2, 1:15 PM CDTSevere Thunderstorm WatchSPCBolivar, Coahoma, DeSoto, Marshall, Panola, Quitman and 2 more6 hr
Jun 2, 3:25 PM CDTMesoscale DiscussionSPCAlcorn, Benton, Bolivar, Calhoun, Chickasaw, Coahoma and 15 more2 hr
Jun 2, 4:55 PM CDTTornado WatchSPCBenton, Calhoun, Carroll, Chickasaw, Choctaw, Clay and 20 more5 hr
Jun 2, 5:46 PM CDTMesoscale DiscussionSPCBolivar, Coahoma, Panola, Quitman, Sunflower, Tate and 1 more119 min

Nearby

Severe Thunderstorm Watches in Louisiana, 2003Severe Thunderstorm Watches in Mississippi, 2003Every severe thunderstorm watch in 2003

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.