Alert archive / Mississippi / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 421, NWS Jackson, MS

June 2, 2003Webster County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 2, 2003, 7:02 PM CDT for Webster County, Mississippi. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 2, 2003, 7:02 PM CDT (00:02 UTC)
Expired
Jun 2, 2003, 8:05 PM CDT
In force
63 min
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

County Webster County, MS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 2, 4:55 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.0 hours before the alert went out and 148 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, Little Rock, AR at 00:00Z on 2003-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1117 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 2003-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 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
1117 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
643 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
214 m²/s²
Significant tornado parameter
0.8
Supercell composite
6.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

479 
WUUS54 KJAN 030002 RRA
SVRJAN
MSC155-030105-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
703 PM CDT MON JUN 2 2003

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEBSTER COUNTY IN NORTH CENTRAL MISSISSIPPI

* UNTIL 805 PM CDT

* AT 703 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 19 MILES NORTHWEST OF WALTHALL TO
  35 MILES SOUTHWEST OF TOMNOLEN...OR FROM 14 MILES EAST OF GRENADA
  TO 7 MILES NORTH OF DURANT...MOVING EAST AT 30 MPH.

* SEVERE THUNDERSTORMS WILL...
  BE NEAR TOMNOLEN AT 730 PM CDT
  BE NEAR WALTHALL...EUPORA AT 735 PM CDT
  BE NEAR MANTEE...MATHISTON AT 750 PM CDT
  BE NEAR MABEN AT 755 PM CDT

A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY
FROM SEVERE THUNDERSTORMS.

WINDS UP TO 60 MPH ARE LIKELY WITH THIS STORM.

LAT...LON 3373 8903 3358 8901 3348 8950 3372 8950

$$

CRAVEN

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 2, 7:02 PM CDTSevere Thunderstorm WarningJANMarion43 min
Jun 2, 7:07 PM CDTSevere Thunderstorm WarningJANAttala58 min
Jun 2, 7:13 PM CDTSevere Thunderstorm WarningJANRankin42 min
Jun 2, 7:17 PM CDTSevere Thunderstorm WarningJANOktibbeha58 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, 7:47 PM CDTSevere Thunderstorm WarningJANClay, Lowndes58 min
Jun 2, 7:51 PM CDTSevere Thunderstorm WarningJANRankin, Scott59 min
Jun 2, 7:54 PM CDTSevere Thunderstorm WarningJANNoxubee, Winston46 min
Jun 2, 7:55 PM CDTSevere Thunderstorm WarningJANMadison30 min
Jun 2, 8:01 PM CDTSevere Thunderstorm WarningJANLeake59 min
Jun 2, 8:14 PM CDTSevere Thunderstorm WarningJANJasper, Newton61 min
Jun 2, 8:42 PM CDTSevere Thunderstorm WarningJANLauderdale58 min
Jun 2, 8:51 PM CDTSevere Thunderstorm WarningJANNeshoba49 min
Jun 2, 9:04 PM CDTSevere Thunderstorm WarningJANKemper61 min
Jun 2, 9:15 PM CDTSevere Thunderstorm WarningJANClarke, Jasper60 min
Jun 2, 9:30 PM CDTSevere Thunderstorm WarningJANNoxubee60 min
Jun 2, 9:44 PM CDTTornado WarningJANLauderdale31 min
Jun 3, 2:55 PM CDTSevere Thunderstorm WarningJANAdams30 min
Jun 3, 5:07 PM CDTSevere Thunderstorm WarningJANForrest, Lamar, Marion43 min
Jun 3, 5:50 PM CDTSevere Thunderstorm WarningJANForrest20 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2003Every severe thunderstorm warning 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.