Alert archive / Louisiana / Tornado Warnings in 2002

Tornado Warning 10, NWS Shreveport, LA

April 7, 2002Bossier Parish, Caddo Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Apr 7, 2002, 11:43 PM CDT for Bossier Parish, Caddo Parish, Louisiana. It was in force for 32 min. 5 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 7, 2002, 11:43 PM CDT (04:43 UTC)
Expired
Apr 8, 2002, 12:15 AM CDT
In force
32 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Bossier Parish, LA, Caddo Parish, LA

The radar

The Shreveport radar (KSHV), 22 km from the middle of the area, began a volume at 04:42 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.

What was reported inside it

TimeReportWhereRemark
Apr 7, 11:45 PM CDTThunderstorm Wind 80 EHosston, LASeveral large trees and power lines were blown over.
Apr 7, 11:50 PM CDTThunderstorm Wind 60 EBlanchard, LATwo large trees fell across Roy Road south of Pine Hill Road.
Apr 7, 11:54 PM CDTThunderstorm Wind 80 EPlain Dealing, LASeveral large trees and power lines were blown over. Roofs were blown off a few buildings and reported damage to gas meters.
Apr 7, 11:55 PM CDTHail 0.75Shreveport, LAFell near the intersection of West 70th Street and Meriwether Road.
Apr 8, 12:12 AM CDTThunderstorm Wind 60 EElm Grove, LASeveral large trees and power lines down.

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

Shreveport, LA (KSHV), launched 00:00Z, 4.7 hours before the alert went out and 17 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 00:00Z on 2002-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 201 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, Shreveport, LA at 00:00Z on 2002-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 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
201 J/kg
Mixed-layer CIN
-162 J/kg
Mixed-layer LCL
926 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
377 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSHV 080443
TORSHV
LAC015-017-080515-
/NEW.KSHV.TO.W.0018.080443-080515/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1143 PM CDT SUN APR 7 2002

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  BOSSIER PARISH IN NORTHWEST LOUISIANA
  CADDO PARISH IN NORTHWEST LOUISIANA

* UNTIL 1215 AM CDT

* AT 1143 PM CDT...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER
  RADAR INDICATED A TORNADO 9 MILES WEST OF PLAIN DEALING...OR 
ABOUT   8 MILES EAST OF VIVIAN...MOVING EAST NORTHEAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  6 MILES NORTHWEST OF PLAIN DEALING AT MIDNIGHT CDT

THIS IS AN EXTREMELY DANGEROUS...LIFE THREATENING SITUATION. IF YOU
ARE IN THE PATH OF THIS DESTRUCTIVE TORNADO...TAKE COVER...NOW

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...
  BOSSIER PARISH IN NORTHWEST LOUISIANA
  CADDO PARISH IN NORTHWEST LOUISIANA
UNTIL 1215 AM CDT.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 11:35 PM CDTSevere Thunderstorm WarningSHVBossier, Caddo55 min
Apr 8, 12:22 AM CDTTornado WarningSHVWebster23 min
Apr 8, 12:38 AM CDTSevere Thunderstorm WarningSHVClaiborne52 min
Apr 8, 1:42 AM CDTSevere Thunderstorm WarningSHVSabine48 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; radar from the NEXRAD Level II archive.