Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 321, NWS Fort Worth, TX

September 3, 1997Stephens County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Sep 3, 1997, 4:10 PM CDT for Stephens County, Texas. It was in force for 65 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
Sep 3, 1997, 4:10 PM CDT (21:10 UTC)
Expired
Sep 3, 1997, 5:15 PM CDT
In force
65 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Stephens County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 9.2 hours before the alert went out and 145 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, Fort Worth, TX at 12:00Z on 1997-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1407 joules per kilogram.LCLLFCEL10008507005003002001001 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, Fort Worth, TX at 12:00Z on 1997-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939Sfc1 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
1407 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
1429 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 032114 RRA
SVRFTW
TXC429-032215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
410 PM CDT WED SEP 3 1997
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
  ...STEPHENS COUNTY
 
AT 410 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A SEVERE
THUNDERSTORM 5 MILES SOUTHEAST OF CADDO. MOVEMENT WAS SOUTHWEST AT 15
MPH.
 
WHEN THUNDERSTORMS ARE OCCURRING...YOU SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED.  DO NOT DRIVE
INTO WATER CROSSING ROADWAYS.

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 2, 7:08 PM CDTSevere Thunderstorm WarningFWDFalls52 min
Sep 3, 2:28 PM CDTSevere Thunderstorm WarningFWDMcLennan62 min
Sep 3, 2:59 PM CDTSevere Thunderstorm WarningFWDWise46 min
Sep 3, 3:46 PM CDTSevere Thunderstorm WarningFWDPalo Pinto59 min
Sep 3, 5:20 PM CDTSevere Thunderstorm WarningFWDMontague55 min
Sep 3, 5:33 PM CDTFlash Flood WarningFWDMontague2 hr

Nearby

Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997

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.