Alert archive / Texas / Tornado Warnings in 2001

Tornado Warning 2, NWS Shreveport, LA

April 14, 2001Cass County, Morris County, Texas

NWS Shreveport, LA issued this tornado warning at Apr 14, 2001, 4:33 AM CDT for Cass County, Morris County, Texas. It was in force for 57 min. 2 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 14, 2001, 4:33 AM CDT (09:33 UTC)
Expired
Apr 14, 2001, 5:30 AM CDT
In force
57 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Cass County, TX, Morris County, TX

The radar

The Shreveport radar (KSHV), 97 km from the middle of the area, began a volume at 09:34 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 14, 5:00 AM CDTThunderstorm Wind 52 ENaples, TXNumerous trees were blown over.
Apr 14, 5:20 AM CDTThunderstorm Wind 55 MAtlanta, TXNumerous trees were blown down across Hwy 251.

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, 9.6 hours before the alert went out and 101 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 2001-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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 2001-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.1939587897117Sfc1 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
12 J/kg
Mixed-layer CIN
-134 J/kg
Mixed-layer LCL
1185 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSHV 140935
TORSHV
TXC067-343-141030-
/NEW.KSHV.TO.W.0011.140933-141030/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
433 AM CDT SAT APR 14 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 530 AM CDT

* AT 433 AM CDT...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER
  RADAR INDICATED A TORNADO 2 MILES NORTH OF NAPLES...OR ABOUT 17 MILES
  EAST OF MOUNT PLEASANT...MOVING EAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO EFFECT MAINLY NORTHERN PORTIONS OF RURAL
  CASS COUNTY...INCLUDING MARIETTA.

DURING A TORNADO...SEEK SHELTER IN AN INTERIOR HALLWAY OR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS. GET UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY
AND ALWAYS STAY AWAY FROM WINDOWS.

REPEATING...THE NATIONAL WEATHER SERV4ICE HAS ISSUED A TORNADO WARNING
FOR...
  CASS COUNTY IN NORTHEAST TEXAS
  MORRIS COUNTY IN NORTHEAST TEXAS
UNTIL 530 AM CDT.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 3:10 AM CDTSevere Thunderstorm WarningSHVFranklin30 min
Apr 14, 3:35 AM CDTSevere Thunderstorm WarningSHVTitus55 min
Apr 14, 1:20 PM CDTFlash Flood WarningSHVBowie115 min

Nearby

Tornado Warnings in Texas, 2001Every tornado warning in 2001Tornadoes in 2001

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.