Alert archive / Mississippi / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 376

June 2, 200422 parishes in Louisiana; 25 counties in Mississippi

The Storm Prediction Center issued this severe thunderstorm watch at Jun 2, 2004, 3:30 AM CDT for 22 parishes in Louisiana; 25 counties in Mississippi. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 2, 2004, 3:30 AM CDT (08:30 UTC)
Expired
Jun 2, 2004, 8:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 47 counties

Ascension Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Franklin Parish, LA, Iberville Parish, LA, Livingston Parish, LA, Madison Parish, LA, Orleans Parish, LA, Pointe Coupee Parish, LA, Richland Parish, LA, Saint Helena Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Martin Parish, LA, Saint Tammany Parish, LA, Tangipahoa Parish, LA, Tensas Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Adams County, MS, Amite County, MS, Claiborne County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, Hancock County, MS, Hinds County, MS, Jefferson County, MS, Jefferson Davis County, MS, Lamar County, MS, Lawrence County, MS, Lincoln County, MS, Madison County, MS, Marion County, MS, Pearl River County, MS, Pike County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Walthall County, MS, Warren County, MS, Wilkinson County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 76 km from the middle of the area, began a volume at 08:29 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

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

IssuedProductOfficeCountiesLasted
Jun 2, 4:11 AM CDTSevere Thunderstorm WarningJANConcordia, Franklin, Madison, Richland, Tensas44 min
Jun 2, 4:29 AM CDTSevere Thunderstorm WarningJANAdams, Claiborne, Franklin, Jefferson31 min
Jun 2, 4:34 AM CDTSevere Thunderstorm WarningLIXPointe Coupee, West Feliciana56 min
Jun 2, 4:49 AM CDTSevere Thunderstorm WarningJANWarren41 min
Jun 2, 5:01 AM CDTSevere Thunderstorm WarningJANClaiborne, Copiah, Franklin, Jefferson44 min
Jun 2, 5:40 AM CDTSevere Thunderstorm WarningJANHinds, Rankin40 min
Jun 2, 6:24 AM CDTSevere Thunderstorm WarningJANLeake, Madison46 min
Jun 2, 6:26 AM CDTSevere Thunderstorm WarningJANSimpson, Smith29 min
Jun 2, 7:34 AM CDTSevere Thunderstorm WarningLIXPearl River56 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 00:00Z, 8.5 hours before the alert went out and 78 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 00:00Z on 2004-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 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 00:00Z on 2004-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
93 J/kg
Mixed-layer CIN
-222 J/kg
Mixed-layer LCL
1302 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 1, 9:50 PM CDTSevere Thunderstorm WatchSPCCaddo6 hr
Jun 1, 10:45 PM CDTMesoscale DiscussionSPCAllen, Avoyelles, Bienville, Bossier, Caddo, Caldwell and 16 more60 min
Jun 1, 11:20 PM CDTSevere Thunderstorm WatchSPCAcadia, Allen, Avoyelles, Beauregard, Bienville, Caldwell and 12 more5 hr
Jun 2, 1:34 AM CDTMesoscale DiscussionSPCAcadia, Allen, Avoyelles, Beauregard, Bienville, Caddo and 14 more116 min
Jun 2, 5:45 AM CDTMesoscale DiscussionSPCAscension, Catahoula, Concordia, East Baton Rouge, East Feliciana, Franklin and 16 more2 hr
Jun 2, 5:30 PM CDTSevere Thunderstorm WatchSPCBossier, Caddo, Claiborne, Webster6 hr
Jun 2, 7:41 AM CDTMesoscale DiscussionSPCClarke, George, Greene, Harrison, Jackson, Lauderdale and 3 more94 min
Jun 2, 5:45 PM CDTSevere Thunderstorm WatchSPCAlcorn, Benton, DeSoto, Lafayette, Marshall, Panola and 6 more5 hr

Nearby

Severe Thunderstorm Watches in Mississippi, 2004Severe Thunderstorm Watches in Louisiana, 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.