Alert archive / Texas / Tornado Warnings in 2003

Tornado Warning 32, NWS Shreveport, LA

May 14, 2003Cass County, Texas

NWS Shreveport, LA issued this tornado warning at May 14, 2003, 9:39 PM CDT for Cass County, Texas. It was in force for 51 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
May 14, 2003, 9:39 PM CDT (02:39 UTC)
Expired
May 14, 2003, 10:30 PM CDT
In force
51 min
Issued by
NWS Shreveport, LA
Area
Counties, with a storm outline in the text

County Cass County, TX

The radar

The Shreveport radar (KSHV), 85 km from the middle of the area, began a volume at 02:43 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 nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 2.7 hours before the alert went out and 86 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 2003-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2404 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2003-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 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
2404 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1182 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
2.2
Supercell composite
10.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSHV 150239
TORSHV
TXC067-150330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
936 PM CDT WED MAY 14 2003

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  CASS COUNTY IN NORTHEAST TEXAS

* UNTIL 1030 PM CDT

* AT 936 PM CDT...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER
  RADAR INDICATED A TORNADO 13 MILES NORTHWEST OF ATLANTA OR NEAR 
  LAKE WRIGHT PATMAN...MOVING SOUTHEAST NEAR 30 MPH.

A FUNNEL CLOUD HAS BEEN SPOTTED WITH THIS STORM EARLIER ALONG WITH
SOFTBALL SIZE HAIL. IF YOU LIVE ON THE LAKE OR NEAR THE ATLANTA AND
DOMINO AREAS...TAKE COVER IMMEDIATELY.

IF YOU ARE IN A MOBILE HOME...ABANDON IT FOR A STURDY BUILDING...OR
GET IN A DITCH OR CULVERT.

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  CASS COUNTY IN NORTHEAST TEXAS
UNTIL 1030 PM CDT.

LAT...LON 3330 9415 3295 9406 3294 9432 3325 9440

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 8:46 PM CDTTornado WarningSHVBowie59 min
May 14, 10:35 PM CDTSevere Thunderstorm WarningSHVMarion40 min

Nearby

Tornado Warnings in Texas, 2003Every tornado warning in 2003Tornadoes in 2003

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.