Alert archive / Louisiana / Tornado Warnings in 2000

Tornado Warning 31, NWS Shreveport, LA

April 23, 2000Bienville Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Apr 23, 2000, 6:36 PM CDT for Bienville Parish, Louisiana. It was in force for 54 min. 4 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 23, 2000, 6:36 PM CDT (23:36 UTC)
Expired
Apr 23, 2000, 7:30 PM CDT
In force
54 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Bienville Parish, LA

The radar

The Shreveport radar (KSHV), 75 km from the middle of the area, began a volume at 23:35 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 23, 6:45 PM CDTHail 1Ringgold, LA
Apr 23, 7:00 PM CDTHail 1Ringgold, LA
Apr 23, 7:15 PM CDTHail 0.75Jamestown, LA
Apr 23, 7:16 PM CDTTornado F2Castor, LASeveral homes and businesses sustained major roof damage. Numerous trees were uprooted and snapped.

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 watch it was issued in

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

IssuedProductOfficeLasted
Apr 23, 4:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 11.6 hours before the alert went out and 67 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 2000-04-23Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 12:00Z on 2000-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 271 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
721 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
271 m²/s²
0-3 km storm-relative helicity
416 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

673 
WFUS54 KSHV 232341
TORSHV
LAC013-240030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
636 PM CDT SUN APR 23 2000

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN BIENVILLE PARISH IN LOUISIANA

* UNTIL 730 PM CDT

* AT 636 PM CDT...SPOTTERS REPORTED A TORNADO OVER EXTREME   
SOUTHERN BOSSIER PARISH...OR NEAR ELM GROVE...MOVING EAST AT 
20 MPH. THIS THUNDERSTORM WILL EFFECT THE LAKE BISTINEAU AREA 
AS WELL AS RINGGOLD LOUISIANA. IF YOU ARE IN THESE AREAS...TAKE
COVER IMMEDIATELY. 

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

IF YOU ARE IN A MOBILE HOME...ABANDON IT FOR A STURDY BUILDING OR GET
IN A DITCH OR CULVERT. MOBILE HOMES PROVIDE NO PROTECTION IN A
TORNADO.

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  WESTERN BIENVILLE PARISH IN LOUISIANA
UNTIL 730 PM CDT.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 9:08 AM CDTSevere Thunderstorm WarningSHVSabine52 min
Apr 23, 9:36 AM CDTSevere Thunderstorm WarningSHVNatchitoches54 min
Apr 23, 10:00 AM CDTSevere Thunderstorm WarningSHVGrant60 min
Apr 23, 10:30 AM CDTSevere Thunderstorm WarningSHVLaSalle30 min
Apr 23, 5:01 PM CDTTornado WarningSHVCaddo59 min
Apr 23, 5:24 PM CDTTornado WarningSHVBossier66 min
Apr 23, 5:54 PM CDTTornado WarningSHVCaddo66 min
Apr 23, 5:58 PM CDTSevere Thunderstorm WarningSHVWebster32 min
Apr 23, 6:07 PM CDTSevere Thunderstorm WarningSHVDe Soto53 min
Apr 23, 6:09 PM CDTTornado WarningSHVWebster66 min
Apr 23, 6:13 PM CDTTornado WarningSHVDe Soto47 min
Apr 23, 6:23 PM CDTTornado WarningSHVBossier67 min
Apr 23, 6:26 PM CDTSevere Thunderstorm WarningSHVClaiborne64 min
Apr 23, 6:38 PM CDTTornado WarningSHVClaiborne67 min
Apr 23, 6:58 PM CDTTornado WarningSHVDe Soto32 min

Nearby

Tornado Warnings in Louisiana, 2000Every tornado warning in 2000Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.