Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 112, NWS Fort Worth, TX

May 15, 1997Comanche County, Texas

NWS Fort Worth, TX issued this flash flood warning at May 15, 1997, 4:30 PM CDT for Comanche County, Texas. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 15, 1997, 4:30 PM CDT (21:30 UTC)
Expired
May 15, 1997, 5:30 PM CDT
In force
60 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Comanche County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 9.5 hours before the alert went out and 154 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 12:00Z on 1997-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1947 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, Fort Worth, TX at 12:00Z on 1997-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.19395878Sfc1 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
1947 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
674 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 152130
FFWFTW
TXC093-152230-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD AND SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
430 PM CDT THU MAY 15 1997
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
FLASH FLOOD AND SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  530 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL TEXAS
 
   ...COMANCHE COUNTY
 
NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES TO DETECT A LARGE
SEVERE THUNDERSTORM NEAR COMANCHE. THIS STORM SHOWS LITTLE MOVEMENT.
DIME SIZE HAIL WAS REPORTED IN MERCERS GAP AT 345 PM. HAIL TO 1 INCH IN
DIAMETER...DAMAGING WINDS...AND DEADLY LIGHTNING CAN BE EXPECTED WITH
THIS STORM.
 
RADAR ESTIMATES OF ABOVE 2 INCHES OF RAIN HAS FALLEN OVER WESTERN
PORTIONS OF COMANCHE COUNTY BETWEEN 330 PM AND 440 PM. AN ADDITIONAL 1
TO 2 INCHES OF RAIN IS LIKELY WITH THIS STORM.  FLASH FLOODING MAY OCCUR
NEAR STREAMS AND CREEKS AND IN OTHER LOW-LYING AREAS.  DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROADWAY.
 
 
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
SMAL@L 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, May 15, 12:15 PM CDT, 4 hours 15 minutes before
TXZ091>095-098>107-115>123-129>135-141>148-156>162-174-175-152300-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
1215 PM CDT THU MAY 15 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS GENERALLY TO THE WEST
OF A CLARKSVILLE TO CROCKETT LINE.

A LOW LEVEL CONVERGENCE ZONE WAS LOCATED ALONG A SHREVEPORT TO
WAXAHACHIE TO COMANCHE LINE. THIS...ALONG WITH DAYTIME HEATING MAY
TRIGGER ISOLATED SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING.

A WEAK VERTICAL WIND PROFILE SUGGESTS THAT THE MAIN THREAT SEVERE
WEATHER THREAT WOULD BE IN THE FORM OF LARGE HAIL AND DAMAGING WINDS.

DUE TO THE ISOLATED NATURE OF THE SEVERE STORMS...SPOTTER ACTIVATION
IS NOT EXPECTED THIS AFTERNOON OR EVENING.
Special weather statement, May 15, 12:15 PM CDT, 4 hours 15 minutes before
TXZ091>095-098>107-115>123-129>135-141>148-156>162-174-175-152300-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS...CORRECTED
NATIONAL WEATHER SERVICE FORT WORTH TX
1215 PM CDT THU MAY 15 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS GENERALLY TO THE WEST
OF A CLARKSVILLE TO CROCKETT LINE.

A LOW LEVEL CONVERGENCE ZONE WAS LOCATED ALONG A SHREVEPORT TO
WAXAHACHIE TO COMANCHE LINE. THIS...ALONG WITH DAYTIME HEATING MAY
TRIGGER ISOLATED SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING.

A WEAK VERTICAL WIND PROFILE SUGGESTS THAT THE MAIN SEVERE WEATHER
THREAT WOULD BE IN THE FORM OF LARGE HAIL AND DAMAGING WINDS.

DUE TO THE ISOLATED NATURE OF THE SEVERE STORMS...SPOTTER ACTIVATION
IS NOT EXPECTED THIS AFTERNOON OR EVENING.
Special weather statement, May 15, 12:18 PM CDT, 4 hours 12 minutes before
TXZ091>095-098>107-115>123-129>135-141>148-156>162-174-175-152300-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
1215 PM CDT THU MAY 15 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS GENERALLY TO THE WEST
OF A CLARKSVILLE TO CROCKETT LINE.

A LOW LEVEL CONVERGENCE ZONE WAS LOCATED ALONG A SHREVEPORT TO
WAXAHACHIE TO COMANCHE LINE. THIS...ALONG WITH DAYTIME HEATING MAY
TRIGGER ISOLATED SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING.

A WEAK VERTICAL WIND PROFILE SUGGESTS THAT THE MAIN THREAT SEVERE
WEATHER THREAT WOULD BE IN THE FORM OF LARGE HAIL AND DAMAGING WINDS.

DUE TO THE ISOLATED NATURE OF THE SEVERE STORMS...SPOTTER ACTIVATION
IS NOT EXPECTED THIS AFTERNOON OR EVENING.
Special weather statement, May 15, 12:32 PM CDT, 3 hours 58 minutes before
TXZ091>095-098>107-115>123-129>135-141>148-156>162-174-175-152300-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS...CORRECTED
NATIONAL WEATHER SERVICE FORT WORTH TX
1215 PM CDT THU MAY 15 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS GENERALLY TO THE WEST
OF A CLARKSVILLE TO CROCKETT LINE.

A LOW LEVEL CONVERGENCE ZONE WAS LOCATED ALONG A SHREVEPORT TO
WAXAHACHIE TO COMANCHE LINE. THIS...ALONG WITH DAYTIME HEATING MAY
TRIGGER ISOLATED SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING.

A WEAK VERTICAL WIND PROFILE SUGGESTS THAT THE MAIN SEVERE WEATHER
THREAT WOULD BE IN THE FORM OF LARGE HAIL AND DAMAGING WINDS.

DUE TO THE ISOLATED NATURE OF THE SEVERE STORMS...SPOTTER ACTIVATION
IS NOT EXPECTED THIS AFTERNOON OR EVENING.
Special weather statement, May 15, 3:45 PM CDT, 45 minutes before
TXZ091>095-098>107-115>123-129>135-141>148-156>162-174-175-160500-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
345 PM CDT THU MAY 15 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR THE REMAINDER OF
THE AFTERNOON AND TONIGHT WEST OF A CLARKSVILLE TO CROCKETT LINE.

A LOW LEVEL CONVERGENCE ZONE WAS LOCATED ALONG A SHREVEPORT TO
WAXAHACHIE TO COMANCHE LINE. THIS...ALONG WITH DAYTIME HEATING MAY
TRIGGER ISOLATED SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING.
THESE STORMS WILL LIKELY MOVE EAST OR SOUTHEAST.

AN OLD OUTFLOW BOUNDARY ALONG A CHILDRESS TO LUBBOCK LINE MAY ALSO
SERVE AS A FOCUS FOR SEVERE THUNDERSTORM DEVELOPMENT.  THESE STORMS
MAY MOVE INTO WESTERN AND NORTHERN PARTS OF THE OUTLOOK AREA LATE
THIS AFTERNOON AND TONIGHT.

A WEAK VERTICAL WIND PROFILE SUGGESTS THAT THE MAIN THREAT SEVERE
WEATHER THREAT WOULD BE IN THE FORM OF LARGE HAIL AND DAMAGING WINDS.

SPOTTER ACTIVATION MAY BE REQUIRED SOUTH OF A LINE FROM EASTLAND TO
TYLER THIS AFTERNOON AND EVENING AND POSSIBLY NORTH OF A CLARKSVILLE
TO COMANCHE LINE AFTER SUNSET. IS NOT EXPECTED THIS AFTERNOON OR
EVENING.

77
Special weather statement, May 15, 3:48 PM CDT, 42 minutes before
TXZ091>095-098>107-115>123-129>135-141>148-156>162-174-175-160500-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
345 PM CDT THU MAY 15 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR THE REMAINDER OF
THE AFTERNOON AND TONIGHT WEST OF A CLARKSVILLE TO CROCKETT LINE.

A LOW LEVEL CONVERGENCE ZONE WAS LOCATED ALONG A SHREVEPORT TO
WAXAHACHIE TO COMANCHE LINE. THIS...ALONG WITH DAYTIME HEATING MAY
TRIGGER ISOLATED SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING.
THESE STORMS WILL LIKELY MOVE EAST OR SOUTHEAST.

AN OLD OUTFLOW BOUNDARY ALONG A CHILDRESS TO LUBBOCK LINE MAY ALSO
SERVE AS A FOCUS FOR SEVERE THUNDERSTORM DEVELOPMENT.  THESE STORMS
MAY MOVE INTO WESTERN AND NORTHERN PARTS OF THE OUTLOOK AREA LATE
THIS AFTERNOON AND TONIGHT.

A WEAK VERTICAL WIND PROFILE SUGGESTS THAT THE MAIN THREAT SEVERE
WEATHER THREAT WOULD BE IN THE FORM OF LARGE HAIL AND DAMAGING WINDS.

SPOTTER ACTIVATION MNAY BE REQUIRED SOUTH OF A LINE FROM EASTLAND TO
TYLER THIS AFTERNOON AND EVENING AND POSSIBLY NORTH OF A CLARKSVILLE
TO COMANCHE LINE AFTER SUNSET. IS NOT EXPECTED THIS AFTERNOON OR
EVENING.

77

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 4:39 AM CDTSevere Thunderstorm WarningFWDStephens66 min
May 15, 9:27 AM CDTFlash Flood WarningFWDTarrant3 hr
May 15, 9:44 AM CDTFlash Flood WarningFWDDallas3 hr
May 15, 3:35 PM CDTSevere Thunderstorm WarningFWDComanche55 min
May 15, 4:30 PM CDTSevere Thunderstorm WarningFWDComanche60 min
May 15, 5:02 PM CDTSevere Thunderstorm WarningFWDAnderson58 min
May 15, 5:08 PM CDTSevere Thunderstorm WarningFWDHamilton67 min
May 15, 5:30 PM CDTFlash Flood WarningFWDComanche2 hr

Nearby

Flash Flood Warnings in Texas, 1997Every flash flood warning in 1997

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.