Alert archive / Louisiana / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 388

June 2, 20044 states

The Storm Prediction Center issued this severe thunderstorm watch at Jun 2, 2004, 8:15 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 2, 2004, 8:15 PM CDT (01:15 UTC)
Expired
Jun 3, 2004, 2:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 63 counties

Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Columbia County, AR, Desha County, AR, Drew County, AR, Union County, AR, 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, Bolivar County, MS, Claiborne County, MS, Coahoma County, MS, Humphreys County, MS, Issaquena County, MS, Jefferson County, MS, Sharkey County, MS, Sunflower County, MS, Warren County, MS, Washington County, MS, Angelina County, TX, Cherokee County, TX, Gregg County, TX, Harrison County, TX, Jasper County, TX, Marion County, TX, Nacogdoches County, TX, Newton County, TX, Panola County, TX, Polk County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, San Jacinto County, TX, Shelby County, TX, Trinity County, TX, Tyler County, TX

The radar

The Shreveport radar (KSHV), 51 km from the middle of the area, began a volume at 01:18 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

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

IssuedProductOfficeCountiesLasted
Jun 2, 8:20 PM CDTSevere Thunderstorm WarningSHVUnion70 min
Jun 2, 8:31 PM CDTSevere Thunderstorm WarningSHVPanola, Rusk74 min
Jun 2, 8:35 PM CDTSevere Thunderstorm WarningSHVDe Soto55 min
Jun 2, 8:43 PM CDTSevere Thunderstorm WarningLZKCalhoun, Ouachita47 min
Jun 2, 8:43 PM CDTSevere Thunderstorm WarningSHVBienville, Red River77 min
Jun 2, 8:57 PM CDTSevere Thunderstorm WarningSHVLincoln, Union78 min
Jun 2, 8:59 PM CDTSevere Thunderstorm WarningSHVShelby76 min
Jun 2, 9:21 PM CDTSevere Thunderstorm WarningSHVNacogdoches54 min
Jun 2, 9:23 PM CDTSevere Thunderstorm WarningSHVNatchitoches, Sabine82 min
Jun 2, 9:31 PM CDTSevere Thunderstorm WarningSHVJackson, Winn74 min
Jun 2, 9:35 PM CDTSevere Thunderstorm WarningSHVSabine, San Augustine70 min
Jun 2, 9:43 PM CDTSevere Thunderstorm WarningJANAshley77 min
Jun 2, 9:49 PM CDTSevere Thunderstorm WarningSHVAngelina71 min
Jun 2, 9:55 PM CDTSevere Thunderstorm WarningSHVOuachita50 min
Jun 2, 10:10 PM CDTSevere Thunderstorm WarningLCHVernon65 min
Jun 2, 10:20 PM CDTSevere Thunderstorm WarningLCHRapides70 min
Jun 2, 10:21 PM CDTSevere Thunderstorm WarningSHVCaldwell, Grant, LaSalle69 min
Jun 2, 10:28 PM CDTSevere Thunderstorm WarningJANRichland62 min
Jun 2, 10:33 PM CDTSevere Thunderstorm WarningHGXHouston, Trinity57 min
Jun 2, 10:48 PM CDTSevere Thunderstorm WarningJANFranklin57 min
Jun 2, 10:56 PM CDTSevere Thunderstorm WarningHGXPolk64 min
Jun 2, 11:00 PM CDTSevere Thunderstorm WarningJANMorehouse60 min
Jun 2, 11:02 PM CDTSevere Thunderstorm WarningJANCatahoula58 min
Jun 2, 11:14 PM CDTSevere Thunderstorm WarningLCHBeauregard, Vernon61 min
Jun 2, 11:23 PM CDTSevere Thunderstorm WarningJANMadison77 min
Jun 2, 11:27 PM CDTSevere Thunderstorm WarningHGXMadison, San Jacinto, Walker63 min
Jun 2, 11:28 PM CDTSevere Thunderstorm WarningLCHAvoyelles, Rapides92 min
Jun 2, 11:30 PM CDTSevere Thunderstorm WarningJANRichland30 min
Jun 2, 11:30 PM CDTSevere Thunderstorm WarningJANTensas60 min
Jun 2, 11:31 PM CDTSevere Thunderstorm WarningSHVLaSalle44 min
Jun 2, 11:41 PM CDTFlash Flood WarningJANFranklin, Richland3 hr
Jun 2, 11:42 PM CDTSevere Thunderstorm WarningJANConcordia58 min
Jun 2, 11:44 PM CDTSevere Thunderstorm WarningJANFranklin46 min
Jun 3, 12:00 AM CDTSevere Thunderstorm WarningJANCatahoula20 min
Jun 3, 12:09 AM CDTSevere Thunderstorm WarningJANAdams, Claiborne, Jefferson, Warren61 min
Jun 3, 12:25 AM CDTFlash Flood WarningJANTensas3 hr

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 00:00Z, 1.3 hours before the alert went out and 44 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 00:00Z on 2004-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2641 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 00:00Z on 2004-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
2641 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1343 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 2, 7:28 PM CDTMesoscale DiscussionSPCAshley, Bradley, Calhoun, Columbia, Lafayette, Miller and 3 more92 min
Jun 2, 8:10 PM CDTMesoscale DiscussionSPCCrittenden65 min
Jun 2, 10:21 PM CDTMesoscale DiscussionSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Caldwell and 23 more54 min
Jun 2, 10:40 PM CDTSevere Thunderstorm WatchSPCAcadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 25 more6 hr
Jun 3, 1:28 AM CDTMesoscale DiscussionSPCAcadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 27 more92 min
Jun 3, 1:24 PM CDTMesoscale DiscussionSPCAlcorn, Benton, Calhoun, Carroll, Chickasaw, Choctaw and 22 more2 hr
Jun 2, 7:11 PM CDTMesoscale DiscussionSPCArcher, Baylor, Childress, Clay, Cooke, Denton and 9 more94 min
Jun 3, 3:26 PM CDTMesoscale DiscussionSPCAtascosa, Austin, Bandera, Bastrop, Bell, Bexar and 32 more94 min

Nearby

Severe Thunderstorm Watches in Louisiana, 2004Severe Thunderstorm Watches in Texas, 2004Severe Thunderstorm Watches in Mississippi, 2004Every severe thunderstorm watch in 2004

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.