Alert archive / Texas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 621, NWS Fort Worth, TX

November 7, 1996Anderson County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Nov 7, 1996, 2:04 AM CST for Anderson County, Texas. It was in force for 41 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
Nov 7, 1996, 2:04 AM CST (08:04 UTC)
Expired
Nov 7, 1996, 2:45 AM CST
In force
41 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Anderson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 177 km from the middle of the area, began a volume at 08:07 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
Nov 7, 2:15 AM CSTThunderstorm WindTennessee Colony, TX
Nov 7, 2:25 AM CSTThunderstorm WindPalestine, TX
Nov 7, 2:28 AM CSTThunderstorm Wind 52Palestine, 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, 8.1 hours before the alert went out and 191 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 1996-11-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2359 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, Fort Worth, TX at 00:00Z on 1996-11-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 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
2359 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
558 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
236 m²/s²
Significant tornado parameter
3.5
Supercell composite
13.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 070806
SVRFTW
TXC001-070845-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
204 AM CST THU NOV 7 1996
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST TEXAS
 
   ...ANDERSON COUNTY
 
AT 204 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT SEVERE THUNDERSTORMS EXTENDED FROM CAYUGA TO LONG LAKE.
THESE STORMS WILL PRODUCE WINDS OF 60 TO 70 MPH AS THEY MOVE EAST AT
50 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Nov 6, 8:22 PM CST, 5 hours 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
821 PM CST WED NOV 06 1996

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0800 PM    3 N POTTSBORO             TX   FLOODING
11/06/96   GRAYSON                        HIGHWAY 120 CLOSED DUE TO
                                          HIGH WATER

0812 PM    ANTELOPE                  TX   .75 INCH HAIL
11/06/96   JACK
Special weather statement, Nov 6, 11:35 PM CST, 2 hours 29 minutes before
TXZ115>117-129-070545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1133 PM CST WED NOV 6 1996

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS CLEARED STEPHENS...
PALO PINTO AND EASTLAND COUNTIES FROM SEVERE THUNDERSTORM WATCH 1111.
THE THREAT OF SEVERE THUNDERSTORMS HAS ENDED IN THESE COUNTIES.

THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A LARGE PART OF
NORTH TEXAS SOUTH AND EAST OF THESE COUNTIES THROUGH 4 AM.
 H
Special weather statement, Nov 7, 1:42 AM CST, 22 minutes before
TXZ102-117-130>132-141-070800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
142 AM CST THU NOV 7 1996

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS CLEARED WISE...PARKER
...HOOD...SOMERVELL..ERATH...AND EASTLAND COUNTIES FROM SEVERE
THUNDERSTORM WATCH 1111.  THE THREAT OF SEVERE THUNDERSTORMS HAS
ENDED IN THESE COUNTIES FOR TONIGHT.

THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A LARGE PART OF
NORTH TEXAS SOUTH AND EAST OF THESE COUNTIES THROUGH 4 AM.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 6, 6:50 PM CSTFlash Flood WarningFWDGrayson4 hr
Nov 6, 7:50 PM CSTFlash Flood WarningFWDDenton3 hr
Nov 6, 8:00 PM CSTSevere Thunderstorm WarningFWDJack, Young60 min
Nov 6, 8:48 PM CSTSevere Thunderstorm WarningFWDGrayson27 min
Nov 6, 8:56 PM CSTSevere Thunderstorm WarningFWDFannin49 min
Nov 6, 10:24 PM CSTSevere Thunderstorm WarningFWDComanche66 min
Nov 6, 10:45 PM CSTFlash Flood WarningFWDParker3 hr
Nov 6, 10:55 PM CSTFlash Flood WarningFWDDenton, Grayson4 hr
Nov 6, 11:03 PM CSTSevere Thunderstorm WarningFWDHamilton57 min
Nov 6, 11:55 PM CSTFlash Flood WarningFWDCollin4 hr
Nov 6, 11:55 PM CSTFlash Flood WarningFWDTarrant4 hr
Nov 6, 11:57 PM CSTSevere Thunderstorm WarningFWDBosque33 min
Nov 7, 12:05 AM CSTSevere Thunderstorm WarningFWDBell, Coryell, McLennan55 min
Nov 7, 12:05 AM CSTSevere Thunderstorm WarningFWDHill55 min
Nov 7, 12:23 AM CSTSevere Thunderstorm WarningFWDEllis, Limestone, Navarro52 min
Nov 7, 12:23 AM CSTSevere Thunderstorm WarningFWDFalls52 min
Nov 7, 12:54 AM CSTFlash Flood WarningFWDFannin4 hr
Nov 7, 12:58 AM CSTSevere Thunderstorm WarningFWDHunt47 min
Nov 7, 1:10 AM CSTSevere Thunderstorm WarningFWDLimestone, Navarro50 min
Nov 7, 1:10 AM CSTSevere Thunderstorm WarningFWDFalls, Milam, Robertson50 min
Nov 7, 2:50 AM CSTFlash Flood WarningFWDDenton, Grayson2 hr

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.