Alert archive / Texas / Tornado Warnings in 1992

Tornado Warning 8, NWS Shreveport, LA

May 11, 1992Gregg County, Texas

NWS Shreveport, LA issued this tornado warning at May 11, 1992, 11:05 PM CDT for Gregg County, Texas. It was in force for 40 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
May 11, 1992, 11:05 PM CDT (04:05 UTC)
Expired
May 11, 1992, 11:45 PM CDT
In force
40 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Gregg County, TX

What was reported inside it

TimeReportWhereRemark
May 11, 11:07 PM CDTTornado F1Gregg, TX
May 11, 11:52 PM CDTHail 1.75Gregg, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 00:00Z, 4.1 hours before the alert went out and 25 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, Longview/Gregg, TX at 00:00Z on 1992-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1833 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, Longview/Gregg, TX at 00:00Z on 1992-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 200 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
1833 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
924 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
200 m²/s²
0-3 km storm-relative helicity
319 m²/s²
Significant tornado parameter
1.7
Supercell composite
8.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSHV 120411 RRA
TORSHV
TXC183-120445-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1105 PM CDT MON MAY 11 1992
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1145 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS..
 
IN NORTHEAST TEXAS
 
   ...GREGG COUNTY
 
AT 1107 PM CDT THE NATIONAL WEATHER SERVICE RADARS IN LONGVIEW AND
SHREVEPORT INDICATED A POSSIBLE TORNADO EAST OF BROWNING TEXAS OR
ABOUT 12 MILES OF KILGORE TEXAS.
 
MOVEMENT WAS EAST NEAR 25 MILES AN HOUR.
 
A HAM RADIO SPOTTER REPORTED A TORNADO NEAR THE SMITH/GREGG COUNTY
LINE.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

What forecasters said that day

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

In the hours before

Special weather statement, May 11, 10:54 PM CDT, 11 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-
002-003-004-005-006-120500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1055 PM CDT MON MAY 11 1992

TORNADO WATCH IN EFFECT FOR NORTHWEST AND NORTHCENTRAL LOUISIANA...
SOUTHWEST ARKANSAS AND NORTHEAST TEXAS.

AT 1045 PM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
AN AREA OF SHOWERS AND THUNDERSTORMS LOCATED TO THE NORTH AND WEST OF
A LINE FROM TYLER AND KARNACK TEXAS...ON TO RODESSA LOUISIANA...CANFIELD
...STEPHENS AND PRINCETON ARKANSAS. THE HEAVIEST STORMS WERE LOCATED NEAR
MANNING ARKANSAS...TEXARKANA...ATLANTA...HUGHES SPRINGS...LONE STAR...
AND BIG SANDY TEXAS. ANOTHER THUNDERSTORM WAS LOCATED NEAR CAMPBELL
TEXAS.

ISOLATED SHOWERS HAD DEVELOPED DURING THE PAST HOUR NEAR FLORIEN AND
MANY LOUISIANA.
THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE EAST AT 20 MILES
PER HOUR.

THE STRONGER THUNDERSTORMS WERE PRODUCING VERY HEAVY RAINFALL IN
EXCESS OF ONE INCH IN A VERY SHORT TIME...RESULTING IN FLOODING
IN LOW LYING AND FLOOD PRONE AREAS. THESE STORMS WERE ALSO PRODUCING
STRONG WINDS UP TO 45 MILES AN HOUR AND UP TO MARBLE SIZE HAIL.

STAY TUNED FOR FURTHER UPDATES AND POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 9:01 PM CDTSevere Thunderstorm WarningSHVCass59 min
May 11, 9:01 PM CDTSevere Thunderstorm WarningSHVBowie59 min
May 11, 10:54 PM CDTSevere Thunderstorm WarningSHVGregg, Harrison, Marion66 min
May 11, 11:21 PM CDTTornado WarningSHVHarrison64 min
May 11, 11:29 PM CDTTornado WarningSHVGregg56 min
May 11, 11:47 PM CDTSevere Thunderstorm WarningSHVRusk58 min
May 12, 3:42 AM CDTFlash Flood WarningSHVPanola3 hr

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.