Alert archive / Texas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 310, NWS Shreveport, LA

July 4, 1996Camp County, Upshur County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Jul 4, 1996, 4:30 PM CDT for Camp County, Upshur County, Texas. It was in force for 60 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
Jul 4, 1996, 4:30 PM CDT (21:30 UTC)
Expired
Jul 4, 1996, 5:30 PM CDT
In force
60 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Camp County, TX, Upshur County, TX

The radar

The Shreveport radar (KSHV), 114 km from the middle of the area, began a volume at 21:32 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
Jul 4, 4:37 PM CDTHail 0.75Pittsburg, TX
Jul 4, 4:40 PM CDTHail 0.88Gilmer, 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

Shreveport, LA (KSHV), launched 12:00Z, 9.5 hours before the alert went out and 121 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 12:00Z on 1996-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 618 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 12:00Z on 1996-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
618 J/kg
Mixed-layer CIN
-151 J/kg
Mixed-layer LCL
1345 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
208 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 KSHV 042130 RRA
SVRSHV
TXC459-063-042230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
430 PM CDT THU JUL 4 1996
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM CDT
FOR THE FOLLOWING AREA...
 
IN NORTHEAST TEXAS
 
   ...UPSHUR COUNTY
 
AT 424 PM DOPPLER RADAR IN SHREVEPORT INDICATED A SEVERE THUNDERSTORM
ABOUT 12 MILES NORTH OF GILMER MOVING TO THE SOUTHEAST AT 10
MPH. THIS STORM WILL AFFECT BETTIE AS THE STORMS MOVE SOUTHEAST
AROUND 440 PM. AREAS OVER EXTREME SOUTHERN CAMP COUNTY SOUTH OF
PITTSBURG WILL BE AFFECTED UNTIL AROUND 500 PM CDT.
 
EXPECT WINDS IN EXCESS OF 60 MPH WITH PAS^SAGE OF THE STORM.
 
 
 
IF YOU ARE IN THE PATH OF THIS STORM...TAKE IMMEDIATE STEPS TO
PROTECT YOURSELF AND YOUR PROPERTY...SUCH AS YOUR CAR...BOAT...AND
PETS...FROM LARGE HAIL AND DAMAGING WIND.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 1:40 PM CDTSevere Thunderstorm WarningSHVAngelina65 min
Jul 4, 2:20 PM CDTSevere Thunderstorm WarningSHVSmith, Wood40 min
Jul 4, 3:01 PM CDTSevere Thunderstorm WarningSHVRusk59 min
Jul 4, 3:07 PM CDTSevere Thunderstorm WarningSHVNacogdoches68 min
Jul 4, 3:24 PM CDTSevere Thunderstorm WarningSHVSmith66 min
Jul 4, 3:26 PM CDTSevere Thunderstorm WarningSHVFranklin64 min
Jul 4, 3:29 PM CDTSevere Thunderstorm WarningSHVWood61 min
Jul 4, 3:34 PM CDTSevere Thunderstorm WarningSHVPanola, Shelby56 min
Jul 4, 3:40 PM CDTSevere Thunderstorm WarningSHVCherokee65 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.