Alert archive / Louisiana / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 143

April 2, 2000Ashley County, Chicot County, Arkansas; 17 parishes in Louisiana; 11 counties in Mississippi

The Storm Prediction Center issued this severe thunderstorm watch at Apr 2, 2000, 4:00 AM CDT for Ashley County, Chicot County, Arkansas; 17 parishes in Louisiana; 11 counties in Mississippi. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Apr 2, 2000, 4:00 AM CDT (09:00 UTC)
Expired
Apr 2, 2000, 8:00 AM CDT
In force
4 hr
Issued by
the Storm Prediction Center
All 30 counties

Ashley County, AR, Chicot County, AR, Bienville Parish, LA, Caldwell Parish, LA, Catahoula 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, Ouachita Parish, LA, Richland Parish, LA, Tensas Parish, LA, Union Parish, LA, West Carroll Parish, LA, Winn Parish, LA, Claiborne County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Madison County, MS, Sharkey County, MS, Sunflower County, MS, Warren County, MS, Washington County, MS, Yazoo County, MS

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 2, 4:31 AM CDTSevere Thunderstorm WarningSHVJackson, Lincoln44 min
Apr 2, 5:50 AM CDTSevere Thunderstorm WarningJANMorehouse, West Carroll25 min
Apr 2, 6:13 AM CDTSevere Thunderstorm WarningJANEast Carroll, West Carroll32 min
Apr 2, 7:08 AM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey37 min
Apr 2, 7:29 AM CDTSevere Thunderstorm WarningJANHolmes, Yazoo31 min
Apr 2, 7:41 AM CDTSevere Thunderstorm WarningJANMadison34 min

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 9.0 hours before the alert went out and 166 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 2000-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 2000-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 537 square meters per square second.1939587897Sfc1 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
4 J/kg
Mixed-layer CIN
-265 J/kg
Mixed-layer LCL
562 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
537 m²/s²
0-3 km storm-relative helicity
851 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 2, 1:30 AM CSTSevere Thunderstorm WatchSPCBeauregard, Bienville, De Soto, Grant, Natchitoches, Rapides and 4 more6 hr
Apr 2, 12:30 PM CDTTornado WatchSPCAcadia, Allen, Beauregard, Calcasieu, Cameron, Evangeline and 5 more6 hr
Apr 2, 3:00 PM CDTTornado WatchSPCCatahoula, Concordia, East Carroll, Franklin, Madison, Richland and 2 more6 hr
Apr 2, 6:00 PM CDTTornado WatchSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 7 more6 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.