Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 2, NWS Fort Worth, TX

February 12, 1992Upshur County, Texas

NWS Fort Worth, TX issued this flash flood warning at Feb 12, 1992, 2:52 PM CST for Upshur County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Feb 12, 1992, 2:52 PM CST (20:52 UTC)
Expired
Feb 12, 1992, 5:00 PM CST
In force
2 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Upshur County, TX

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 12:00Z, 8.9 hours before the alert went out and 54 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 12:00Z on 1992-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 29 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 12:00Z on 1992-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 272 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
29 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
562 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
272 m²/s²
0-3 km storm-relative helicity
290 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 122052
FFWFTW
TXC459-122300-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
252 PM CST WED FEB 12 1992
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  500 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST TEXAS
 
   ...UPSHUR COUNTY
 
AT 245 PM CST RADAR INDICATED A LINE OF THUNDERSTORMS IN UPSHUR
COUNTY...MOVING EAST AT ABOUT 30 MPH. THESE THUNDERSTORMS ARE
PRODUCING VERY HEAVY RAIN IN A SHORT TIME AND WITH CREEKS AND STREAMS
ALREADY HIGH...WILL EASILY PRODUCE FLASH FLOODING OF LOW LYING AREAS.
IN ADDITION...3/4 INCH HAIL WAS REPORTED AT 243 PM AT BIG SANDY.
 
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A
SMALL ONE...ON FOOT.

What forecasters said that day

The local office's own words before this flash flood 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, Feb 12, 12:08 PM CST, 2 hours 44 minutes before
TXZ021>023-025>028-030>033-130000-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FT WORTH TX
1210 PM CST WED FEB 12 1992

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY AND TONIGHT IN
THAT PORTION OF NORTH TEXAS NORTH AND EAST OF A LINE FROM SHERMAN TO
MINERAL WELLS TO BROWNWOOD TO AUSTIN TO LUFKIN TO SHREVEPORT.  THIS
AREA INCLUDES WACO...TYLER/LONGVIEW...TEXARKANA...PARIS...AND THE
DALLAS-FORT WORTH METROPLEX.

A WARM AND MOIST AIRMASS REMAINED OVER NORTH TEXAS THIS AFTERNOON...
REINFORCED BY SOUTH WINDS.  A WEAK COLD FRONT EXTENDED INTO THE
NORTHWEST CORNER OF NORTH TEXAS SOUTH OF WICHITA FALLS AND A DRYLINE
TROUGH EXTENDED NORTH TO SOUTH THROUGH WEST TEXAS.

IN THE UPPER ATMOSPHERE...A WEAK IMPULSE WAS MOVING OVER THE REGION
THIS AFTERNOON HELPING TO DEVELOP ISOLATED THUNDERSTORMS IN THE WARM
AIR.  SOUTHERLY SURFACE WINDS AND STRONGER WESTERLY WINDS ALOFT WILL
PROVIDE A FAVORABLE VERTICAL WIND SHEAR ENVIRONMENT FOR THE POSSIBLE
DEVELOPMENT OF SEVERE THUNDERSTORMS.  THESE STORMS MAY PRODUCE LARGE
HAIL ALONG WITH HEAVY RAIN AND GUSTY WINDS.

THUNDERSTORM ACTIVITY IS EXPECTED TO CONTINUE INTO THIS EVENING AS
WELL AS THE SLIGHT RISK OF SEVERE DEVELOPMENT.  EMERGENCY PREPAREDNESS
OFFICIALS AND STORM SPOTTERS SHOULD STAY INFORMED AND BE PREPARED FOR
POSSIBLE ACTIVATION THIS AFTERNOON OR TONIGHT.
Special weather statement, Feb 12, 12:19 PM CST, 2 hours 33 minutes before
TXZ031-121915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
1214 PM CST WED FEB 12 1992

...THUNDERSTORMS DEVELOPING OVER NORTH CENTRAL TEXAS...

AT 1208 PM CST NUMEROUS THUNDERSTORMS WITH VERY HEAVY RAIN HAVE DEVELOPED
FROM SOUTH OF STEPHENVILLE TO 15 MILES SOUTHWEST OF CLEBURNE.

THUNDERSTORMS WITH HEAVY RAIN HAVE ALSO DEVELOPED OVER NORTHERN BOSQUE
COUNTY.

MOVEMENT WAS NORTHEAST AT 25 MILES AN HOUR.

ABUNDANT MOISTURE IN THE LOWER LEVELS OF THE ATMOSPHERE AND A TROUGH OF
LOW PRESSURE IN WEST TEXAS COMBINED WITH A WEAK IMPULSE OF INSTABILITY
IN THE UPPER LEVELS MOVING ACROSS THE AREA THIS AFTERNOON...A FEW
THUNDERSTORMS COULD BECOME SEVERE WITH DAMAGING WINDS AND LARGE .HAIL.

STAY TUNED TO THIS STATION FOR FURTHER STATEMENTS AND BE ALERT THIS
AFTERNOON AND EVENING FOR POSSIBLE SEVERE WEATHER BULLETINS.

05

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 12, 12:49 PM CSTSevere Thunderstorm WarningFWDBosque26 min
Feb 12, 1:43 PM CSTSevere Thunderstorm WarningFWDHill62 min
Feb 12, 2:34 PM CSTSevere Thunderstorm WarningFWDSmith, Upshur, Wood56 min
Feb 12, 2:42 PM CSTSevere Thunderstorm WarningFWDHill33 min
Feb 12, 3:03 PM CSTSevere Thunderstorm WarningFWDNavarro57 min
Feb 12, 4:17 PM CSTSevere Thunderstorm WarningFWDDallas43 min

Nearby

Flash Flood Warnings in Texas, 1992Every flash flood warning 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.