Alert archive / Texas / Tornado Warnings in 1992

Tornado Warning 23, NWS Fort Worth, TX

September 2, 1992Grayson County, Texas

NWS Fort Worth, TX issued this tornado warning at Sep 2, 1992, 10:47 PM CDT for Grayson County, Texas. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Sep 2, 1992, 10:47 PM CDT (03:47 UTC)
Expired
Sep 2, 1992, 11:15 PM CDT
In force
28 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Grayson County, TX

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.8 hours before the alert went out and 189 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, Norman, OK at 00:00Z on 1992-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2037 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 1992-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.193958Sfc1 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
2037 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
1242 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 030347
TORFTW
TXC181-030415-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
1047 PM CDT WED SEP 2 1992
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1115 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...GRAYSON COUNTY
 
AT 1040 PM DOPPLER RADAR IN NORMAN OKLAHOMA INDICATED A POSSIBLE
TORNADO DEVELOPING A MILE OR 2 EAST OF THE GRAYSON COUNTY AIRPORT.
THIS POSSIBLE TORNADO WAS MOVING SOUTHEAST AT 15 MPH. RESIDENTS IN AND
NEAR SHERMAN AND AREAS EAST OF SHERMAN SHOULD TAKE SHELTER!
 
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 7:20 PM CDTSevere Thunderstorm WarningFWDFannin55 min
Sep 2, 8:15 PM CDTSevere Thunderstorm WarningFWDFannin60 min
Sep 2, 8:41 PM CDTSevere Thunderstorm WarningFWDGrayson64 min
Sep 2, 10:11 PM CDTSevere Thunderstorm WarningFWDGrayson64 min
Sep 2, 10:30 PM CDTSevere Thunderstorm WarningFWDCooke60 min
Sep 2, 11:13 PM CDTSevere Thunderstorm WarningFWDCollin, Denton, Fannin62 min
Sep 2, 11:33 PM CDTSevere Thunderstorm WarningFWDMontague42 min
Sep 2, 11:47 PM CDTSevere Thunderstorm WarningFWDHunt58 min
Sep 3, 12:15 AM CDTSevere Thunderstorm WarningFWDCollin, Dallas, Rockwall45 min
Sep 3, 12:16 AM CDTSevere Thunderstorm WarningFWDMontague59 min
Sep 3, 12:35 AM CDTSevere Thunderstorm WarningFWDKaufman, Van Zandt70 min
Sep 3, 12:35 AM CDTSevere Thunderstorm WarningFWDRains70 min
Sep 3, 5:34 PM CDTSevere Thunderstorm WarningFWDHill56 min
Sep 3, 6:43 PM CDTSevere Thunderstorm WarningFWDBell37 min
Sep 3, 6:49 PM CDTSevere Thunderstorm WarningFWDBosque56 min

Nearby

Tornado Warnings in Texas, 1992Every tornado warning in 1992Tornadoes in 1992

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.