Alert archive / Louisiana / Tornado Warnings in 2000

Tornado Warning 43, NWS Shreveport, LA

April 23, 2000Union Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Apr 23, 2000, 9:00 PM CDT for Union Parish, Louisiana. It was in force for 15 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 23, 2000, 9:00 PM CDT (02:00 UTC)
Expired
Apr 23, 2000, 9:15 PM CDT
In force
15 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Union Parish, LA

The radar

The Shreveport radar (KSHV), 144 km from the middle of the area, began a volume at 02:02 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.

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
Apr 23, 8:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 2.0 hours before the alert went out and 135 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 2000-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1042 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 2000-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 368 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
1042 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
1141 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
368 m²/s²
0-3 km storm-relative helicity
558 m²/s²
Significant tornado parameter
2.0
Supercell composite
11.5

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSHV 240200
TORSHV
LAC111-240215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
ISSUED BY JACKSON MS
900 PM CDT SUN APR 23 2000

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 915 PM CDT

* AT 859 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO OVER EXTREME SOUTHEASTERN UNION PARISH...OR ABOUT 6 MILES
  NORTH OF CLAIBORNE...MOVING EAST AT 20 MPH.

THIS TORNADO WILL MAINLY AFFECT SMALLER COMMUNITIES AND RURAL AREAS.

TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU
SEE OR HEAR THE TORNADO - IT MAY BE TOO LATE. TAKE COVER NOW!

64

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 7:00 PM CDTSevere Thunderstorm WarningSHVRed River45 min
Apr 23, 7:06 PM CDTSevere Thunderstorm WarningSHVCaddo39 min
Apr 23, 7:10 PM CDTTornado WarningSHVCaddo60 min
Apr 23, 7:16 PM CDTTornado WarningSHVRed River59 min
Apr 23, 7:17 PM CDTTornado WarningSHVLincoln58 min
Apr 23, 7:21 PM CDTTornado WarningSHVBossier54 min
Apr 23, 7:25 PM CDTTornado WarningSHVBienville65 min
Apr 23, 7:51 PM CDTTornado WarningSHVNatchitoches54 min
Apr 23, 7:56 PM CDTSevere Thunderstorm WarningSHVDe Soto64 min
Apr 23, 8:22 PM CDTTornado WarningSHVJackson, Lincoln, Ouachita53 min
Apr 23, 8:37 PM CDTTornado WarningSHVGrant, Winn53 min
Apr 23, 8:41 PM CDTTornado WarningSHVUnion19 min
Apr 23, 9:12 PM CDTSevere Thunderstorm WarningSHVLaSalle48 min
Apr 23, 9:18 PM CDTSevere Thunderstorm WarningSHVOuachita42 min
Apr 23, 9:20 PM CDTSevere Thunderstorm WarningSHVSabine40 min
Apr 23, 9:24 PM CDTSevere Thunderstorm WarningSHVNatchitoches, Winn36 min
Apr 23, 9:30 PM CDTSevere Thunderstorm WarningSHVCaldwell30 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.