Alert archive / Louisiana / Tornado Warnings in 2002

Tornado Warning 13, NWS Shreveport, LA

October 3, 2002Grant Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Oct 3, 2002, 4:23 PM CDT for Grant Parish, Louisiana. It was in force for 52 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Oct 3, 2002, 4:23 PM CDT (21:23 UTC)
Expired
Oct 3, 2002, 5:15 PM CDT
In force
52 min
Issued by
NWS Shreveport, LA
Area
Counties, with a storm outline in the text

County Grant Parish, LA

What was reported inside it

TimeReportWhereRemark
Oct 3, 4:52 PM CDTTornado F1Pollock, LAThe tornado moved across extreme southeast Grant Parish along the northeast eye wall of Tropical Storm Lili. Damage was confined to rural timberland approximately 2 miles northeast of the Camp Beauregard Wildlife Management Area or just between the Management

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 9.4 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, Lake Charles Mun, LA at 12:00Z on 2002-10-03Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 12:00Z on 2002-10-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.19395878Sfc1 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
631 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
155 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.

485 
WFUS54 KSHV 032123
TORSHV
LAC043-032215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
421 PM CDT THU OCT 3 2002

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  GRANT PARISH IN NORTH CENTRAL LOUISIANA

* UNTIL 515 PM CDT

* AT 421 PM CDT...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER
  RADAR INDICATED A TORNADO 15 MILES SOUTH OF POLLOCK...OR ABOUT 3   
  MILES SOUTHEAST OF PINEVILLE...MOVING NORTH AT 10 MPH. SPOTTERS
  EARLIER CONFIRMED A TORNADO TOUCHDOWN ASSOCIATED WITH THIS STORM
  SOUTH OF ALEXANDRIA AND NEAR WOODWORTH. 

* THE TORNADO WILL EFFECT THE TOWNS OF POLLOCK...ANTONIA AND 
  FISHVILLE. 

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

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  GRANT PARISH IN NORTH CENTRAL LOUISIANA
UNTIL 515 PM CDT.

LAT...LON 3111 9253 3107 9232 3149 9227 3157 9231
          3159 9238 3178 9236 3179 9241

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 3, 4:56 PM CDTTornado WarningSHVLaSalle49 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.