Alert archive / Louisiana / Tornado Warnings in 2002

Tornado Warning 31, NWS Shreveport, LA

December 23, 2002Sabine Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Dec 23, 2002, 5:08 PM CST for Sabine Parish, Louisiana. It was in force for 52 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
Dec 23, 2002, 5:08 PM CST (23:08 UTC)
Expired
Dec 23, 2002, 6:00 PM CST
In force
52 min
Issued by
NWS Shreveport, LA
Area
Counties, with a storm outline in the text

County Sabine Parish, LA

The watch it was issued in

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

IssuedProductOfficeLasted
Dec 23, 2:10 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 11.1 hours before the alert went out and 107 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 2002-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Shreveport, LA at 12:00Z on 2002-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 399 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
913 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
399 m²/s²
0-3 km storm-relative helicity
493 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

314 
WFUS54 KSHV 232308
TORSHV
LAC085-240000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
508 PM CST MON DEC 23 2002

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  SABINE PARISH IN NORTHWEST LOUISIANA

* UNTIL 600 PM CST

* AT 508 PM CST...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER    
  RADAR INDICATED A TORNADO 4 MILES SOUTHWEST OF MANY...MOVING       
  NORTHEAST AT 40 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  RURAL EASTERN SABINE PARISH AT 520 PM CST

THIS THUNDERSTORM CAN PRODUCE A TORNADO THAT IS OBSCURED BY RAIN...
AND DIFFICULT TO SEE.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A CULVERT...DITCH...OR
LOW SPOT...AND COVER YOUR HEAD.

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  SABINE PARISH IN NORTHWEST LOUISIANA
UNTIL 600 PM CST.

LAT...LON 3153 9361 3138 9352 3150 9325 3175 9348

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 23, 1:07 PM CSTSevere Thunderstorm WarningSHVNatchitoches23 min
Dec 23, 1:34 PM CSTSevere Thunderstorm WarningSHVDe Soto56 min
Dec 23, 4:42 PM CSTSevere Thunderstorm WarningSHVNatchitoches33 min
Dec 23, 4:44 PM CSTSevere Thunderstorm WarningSHVWinn61 min
Dec 23, 4:55 PM CSTSevere Thunderstorm WarningSHVSabine65 min
Dec 23, 5:04 PM CSTFlash Flood WarningSHVNatchitoches, Sabine4 hr
Dec 23, 5:14 PM CSTTornado WarningSHVNatchitoches61 min

Nearby

Tornado Warnings in Louisiana, 2002Every tornado warning in 2002Tornadoes in 2002

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.