Alert archive / Texas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 113, NWS Fort Worth, TX

April 12, 1996Robertson County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 12, 1996, 9:57 PM CDT for Robertson County, Texas. It was in force for 48 min. 3 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 12, 1996, 9:57 PM CDT (02:57 UTC)
Expired
Apr 12, 1996, 10:45 PM CDT
In force
48 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Robertson County, TX

The radar

The Ft Hood radar (KGRK), 90 km from the middle of the area, began a volume at 03:01 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 12, 10:05 PM CDTHail 1.75Bremond, TX
Apr 12, 10:20 PM CDTHail 2.75Calvert, TX
Apr 12, 10:34 PM CDTHail 1Franklin, TX

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

Fort Worth, TX (KFWD), launched 00:00Z, 3.0 hours before the alert went out and 214 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 00:00Z on 1996-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 121 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 00:00Z on 1996-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -305 square meters per square second.19395878Sfc1 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
121 J/kg
Mixed-layer CIN
-333 J/kg
Mixed-layer LCL
955 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
-305 m²/s²
0-3 km storm-relative helicity
-269 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.

000 
TTAA00 KFTW 130258
SVRFTW
TXC395-130345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
957 PM CDT FRI APR 12 1996
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...ROBERTSON COUNTY
 
AT 957 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT SEVERE THUNDERSTORMS EXTENDED FROM JUST WEST OF TWIN OAK
RESERVIOR TO 8 MILES WEST OF BREMOND. THESE STORMS MAY PRODUCE
QUARTER-SIZE HAIL AS THEY MOVE SOUTHEAST AT 30 MPH.
 
A TORNADO WATCH REMAINS IN EFFECT FOR PARTS OF NORTH TEXAS.
SEVERE THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES WITH LITTLE
ADVANCE WARNING.  REMAIN ALERT TO RAPIDLY CHANGING WEATHER
CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 7:00 PM CDTSevere Thunderstorm WarningFWDEllis30 min
Apr 12, 7:06 PM CDTSevere Thunderstorm WarningFWDNavarro69 min
Apr 12, 7:32 PM CDTSevere Thunderstorm WarningFWDLimestone58 min
Apr 12, 7:36 PM CDTSevere Thunderstorm WarningFWDHopkins54 min
Apr 12, 7:43 PM CDTSevere Thunderstorm WarningFWDVan Zandt62 min
Apr 12, 7:46 PM CDTSevere Thunderstorm WarningFWDMcLennan29 min
Apr 12, 8:05 PM CDTSevere Thunderstorm WarningFWDHenderson55 min
Apr 12, 8:08 PM CDTSevere Thunderstorm WarningFWDMilam52 min
Apr 12, 8:19 PM CDTTornado WarningFWDMilam41 min
Apr 12, 8:25 PM CDTSevere Thunderstorm WarningFWDFreestone65 min
Apr 12, 8:29 PM CDTSevere Thunderstorm WarningFWDFalls, Limestone61 min
Apr 12, 8:39 PM CDTTornado WarningFWDLimestone36 min
Apr 12, 9:12 PM CDTSevere Thunderstorm WarningFWDAnderson48 min
Apr 12, 10:32 PM CDTTornado WarningFWDRobertson28 min

Nearby

Severe Thunderstorm Warnings in Texas, 1996Every severe thunderstorm warning in 1996

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.