Alert archive / Texas / Flash Flood Warnings in 1991

Flash Flood Warning 13, NWS Fort Worth, TX

April 13, 1991Hamilton County, Texas

NWS Fort Worth, TX issued this flash flood warning at Apr 13, 1991, 9:04 AM CDT for Hamilton County, Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 13, 1991, 9:04 AM CDT (14:04 UTC)
Expired
Apr 13, 1991, 1:00 PM CDT
In force
4 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Hamilton County, TX

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 12:00Z, 2.1 hours before the alert went out and 57 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, Stephenville/Cla, TX at 12:00Z on 1991-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 805 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, Stephenville/Cla, TX at 12:00Z on 1991-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 175 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
805 J/kg
Mixed-layer CIN
-308 J/kg
Mixed-layer LCL
1877 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
175 m²/s²
0-3 km storm-relative helicity
229 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 131406
FFWFTW
TXC193-251-425-131800-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
904 AM CDT SAT APR 13 1991
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  100 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...HAMILTON COUNTY...JOHNSON COUNTY...SOMERVELL COUNTY
 
AT 900 AM CDT OBSERVERS IN HICO REPORTED FLASH FLOODING DEVELOPING IN
HICO. RADAR INDICTED A LINE OF INTENSE THUNDERSTORMS EXTENDING FROM
DALLAS TO CLEBURN TO SOUTH OF HAMILTON. THE LINE WAS MOVING TO THE
EAST AT 15 MPH WHILE THE CELLS WERE MOVING TO THE NORTHEAST TO 30 MPH.
THERE ARE SEVERAL UPSTREAM THUNDERSTORMS THAT WILL MOVE OVER THE
WARNING AREA THE NEXT HOUR OR TWO.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS 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.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

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, Apr 13, 6:23 AM CDT, 2 hours 41 minutes before
TXZ031-131220-

SPECIAL WEATHER STATEMENT...CORRECTION FOR TIME
NATIONAL WEATHER SERVICE WACO TX
619 AM CDT SAT APR 13 1991

   ...FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR CENTRAL TEXAS...

AT 6:13 AM CDT WACO WEATHER RADAR SHOWED SHOWERS AND THUNDERSTORMS ACROSS
MUCH OF CENTRAL TEXAS.  THE HEAVIEST ACTIVITY WAS LOCATED IN MCLENNAN
COUNTY 3 MILES SOUTH OF BELLMEAD.  MOVEMENT WAS TO THE NORTHEAST AT 30 MPH.

WHILE NO SEVERE WEATHER WAS INDICATED THE STRONGER STORMS WILL BE CAPABLE
OF PRODUCING VERY HEAVY RAIN...STRONG GUSTY WINDS...DANGEROUS LIGHTNING
AND FLASH FLOODING OF LOW LYING AND FLOOD PRONE AREAS.

AS A DRY LINE AND UPPER LEVEL DISTURBANCE APPROACHES CENTRAL TEXAS FROM THE
WEST...SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP FOR THE REMAINDER
OF TODAY.  RESIDENTS OF CENTRAL TEXAS SHOULD REMAIN ALERT TO THE THREAT OF
SEVERE WEATHER...AND BE PREPARED TO TAKE QUICK ACTION IF A WARNING IS ISSUED.
<
STAY TUNED TO THIS STATION FOR THE LATEST IN WEATHER INFORMATION.

BB
Special weather statement, Apr 13, 6:52 AM CDT, 2 hours 12 minutes before
TXZ019>033-131200-

SPECIAL WEATHER AND FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
650 AM CDT SAT APR 13 1991

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 AM CDT FOR PARTS
OF NORTH CENTRAL TEXAS. INCLUDED IN THE WATCH AREA ARE THE CITIES OF
STEPHENVILLE...MINERAL WELLS...GAINESVILLE...SHERMAN AND THE
DALLAS/FORT WORTH METROPLEX.

A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR THE CENTRAL AND EASTERN
PARTS OF NORTH TEXAS FOR TODAY AND TONIGHT. THE AREA IS EAST OF A
GAINESVILLE...STEPHENVILLE...LAMPASAS LINE.

AT 645 AM...WEATHER RADARS INDICATED SCATTERED SHOWERS AND
THUNDERSTORMS...SOME STRONG AND PRODUCING HEAVY RAINS...EXTENDING FROM
NEAR WICHITA FALLS TO NEAR GRAHAM...AND SOUTHWEST TO NEAR BALLINGER.
MOVEMENT WAS NORTHEAST AT 35 MILES AN HOUR. AN AREA OF SCATTERED
SHOWERS AND THUNDERSTORMS EXTENDED FROM NEAR WAXAHACHIE TO JUST EAST
OF WACO. MOVEMENT WAS NORTHEAST AT 30 MILES AN HOUR.

KEEP ALERT FOR T|HREATENING WEATHER IN YOUR AREA AND BE PREPARED TO TAKE
QUICK ACTION.

STAY TUNED TO THIS STATION FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Apr 13, 7:11 AM CDT, 1 hour 53 minutes before
TXZ031-131315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
710 AM CDT SAT APR 13 1991

   ...FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR CENTRAL TEXAS...

AT 700 AM CDT WACO WEATHER RADAR SHOWED SHOWERS AND THUNDERSTORMS SCATTERED
ACROSS PARTS OF HILL...FALLS...MCLENNAN AND LIMESTONE COUNTIES OF CENTRAL
TEXAS.  THE HEAVIEST ACTIVITY WAS NOTED 5 MILES SOUTHWEST OF MEXIA.
MOVEMENT WAS TO THE NORTHEAST AT 25 MPH.

A SURFACE FRONT AND APPROACHING UPPER LEVEL DISTURBANCE WILL CONTINUE TO
TRIGGER SHOWERS AND THUNDESTORMS ACROSS CENTRAL TEXAS FOR THE REMAINDER OF
TODAY.  WHILE NO SEVERE WEATHER HAS BEEN INDICATED ACROSS THE AREA...THE
STRONGER STORMS WILL BE CAPABLE OF PRODUCING VERY HEAVY RAINS...GUSTY WINDS
...DANGEROUS LIGHTNING AND FLASH FLOODING OF LOW LYING AND NORMALLY FLOOD
PRONE AREAS.

RESIDENTS OF CENTRAL TEXAS SHOULD KEEP ALERT TO CHANGING WEATHER CONDITIONS<
AND BE PREPARED TO TAKE QUICK ACTION IF SEVERE} WEATHER DEVELOPS.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS.

BB
Special weather statement, Apr 13, 7:49 AM CDT, 1 hour 15 minutes before
TXZ019>033-131200-

SPECIAL WEATHER AND FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
750 AM CDT SAT APR 13 1991

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 AM CDT FOR PARTS
OF NORTH CENTRAL TEXAS. INCLUDED IN THE WATCH AREA ARE THE CITIES OF
STEPHENVILLE...MINERAL WELLS...GAINESVILLE...SHERMAN AND THE
DALLAS/FORT WORTH METROPLEX.

A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR THE CENTRAL AND EASTERN
PARTS OF NORTH TEXAS FOR TODAY AND TONIGHT. THE AREA IS EAST OF A
GAINESVILLE...STEPHENVILLE...LAMPASAS LINE.

THERE IS A MODERATE RISK FOR SEVERE THUNDERSTORMS TODAY AND TONIGHT
OVER THAT PART OF NORTH TEXAS GENERALLY EAST OF A WICHITA FALLS TO SAN
SABA LINE. THERE IS A SLIGHT RISK OVER THE REMAINDER OF NORTH TEXAS
WEST OF THIS LINE.

A SLOW MOVING FRONTAL BOUNDARY EXTENDED NORTH...SOUTH ACROSS ALONG A
MONTAGUE TO SAN SABA LINE.  THIS FRONTAL BOUNDARY IS SERVING AS A FOCUS
FOR THUNDERSTORM ACTIVITY THIS MORNING.  WARM AND VERY UNSTABLE AIR
WILL CONTINUE INTO NORTH TEXAS AT LOWER LEVELS ON A LOW LEVEL JET OVER
EAST TEXAS.  ALOFT A STRONG UPPER AIR TROUGH WAS MOVING INTO NEW MEXICO
AND WILL CONTINUE TO MOVE EASTWARD TODAY.  AS THE UPPER TROUGH COME
CLOSER TO NORTH TEXAS...THUNDERSTORMS ARE EXPECTED TO REDEVELOP ALONG
THE SURFACE TROUGH AND SOME COULD BECOME SEVERE AND CONTINUE INTO THE
NIGHT TIME HOURS

AT 745 AM...WEATHER RADARS INDICATED SCATTERED SHOWERS AND
THUNDERSTORMS...SOME STRONG AND PRODUCING HEAVY RAINS...EXTENDING FROM
NEAR GAINESVILLE TO GLEN ROSE TO SAN SABA.  THE PRECIPITATION EXENDED
BACK TO THE WEST ABOUT 60 MILES.  THE AREA WAS MOVING TO THE NORTHEAST
AT 30 MPH.  ANOTHER AREA OF WIDELY SCATTERED SHOWERS WAS BOUNDED BY A
PARIS TO PALESTINE TO HILLSBORO TO DALLAS/FORT WORTH LINE. THE MOST
INTENSE ACTIVITY WAS LOCATED ABOUT 10 MILES SOUTH OF WEATHERFORD...10
MILES SOUTH OF QUITMAN...AND 12 MILES NORTHEAST OF ATHENS.

KEEP ALERT FOR THREATENING WEATHER IN YOUR AREA AND BE PREPARED TO TAKE
QUICK ACTION.

STAY TUNED TO THIS STATION FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Apr 13, 8:17 AM CDT, 47 minutes before
TXZ031-131415-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
815 AM CDT SAT APR 13 1991

   ...FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR CENTRAL TEXAS...

AT 810 AM CDT WACO WEATHER RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS
EXTENDING FROM DALLAS..TO MERIDIAN...TO NEAR LLANO.  THE HEAVIEST ACTIVITY
WAS LOCATED IN BOSQUE COUNTY NEAR WALNUT SPRINGS.  MOVEMENT WAS TO THE
NORTHEAST AT 20 MPH.

WHILE NO SEVERE WEATHER WAS DETECTED...THE STRONGER STORMS WILL BE CAPABLE
OF PRODUCING VERY HEAVY RAIN...GUSTY WINDS...DANGEROUS LIGHTNING AND FLASH
FLOODING OF LOW LYING AND NORMALLY FLOOD PRONE AREAS.  RESIDENTS OF CENTRAL
TEXAS SHOULD KEEP ALERT TO CHANGING WEATHER CONDITIONS THROUGHOUT THE DAY
AND BE PREPARED TO TAKE QUICK ACTION IF SEVERE WEATHER DEVELOPS.

AS AN UPPER LEVEL DISTURBANCE AND COLD FRONT APPROACH THE REGION FROM THE
WEST TODAY...SHOWER AND THUNDERSTORM ACTIVITY WILL BE ON THE INCREASE.<
AT THIS TIME IT APPEARS THAT THE GREATEST THREAT WILL BE IN THE FORM OF
FLASH FLOODING WITH THE SLOW MOVEMENT OF THE SOME OF THE STORMS.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST IN WEATHER INFORMATION.

BB
Special weather statement, Apr 13, 8:53 AM CDT, 11 minutes before
TXZ019>033-131500-

SPECIAL WEATHER AND FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
855 AM CDT SAT APR 13 1991

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 AM CDT FOR PARTS
OF NORTH CENTRAL TEXAS BOUNDED ON THE WEST BY A MONTAGUE TO EASTLAND TO
COLEMAN LINE AND ON THE EAST BY A SHERMAN TO GLEN ROSE TO SAN SABA
LINE.

ANOTHER SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 3 PM FOR THAT PART
NORTH TEXAS EAST OF THE SHERMAN TO GLEN ROSE TO SAN SABA LINE AND WEST
OF LINE GENERALLY A 20 EAST OF CLARKSVILLE TO ATHENS TO 40 MILES EAST
OF TEMPLE.

A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR THE CENTRAL AND EASTERN
PARTS OF NORTH TEXAS FOR TODAY AND TONIGHT. THE AREA IS EAST OF A
GAINESVILLE...STEPHENVILLE...LAMPASAS LINE.

THERE IS A MODERATE RISK FOR SEVERE THUNDERSTORMS TODAY AND TONIGHT
OVER THAT PART OF NORTH TEXAS GENERALLY EAST OF A WICHITA FALLS TO SAN
SABA LINE. THERE IS A SLIGHT RISK OVER THE REMAINDER OF NORTH TEXAS
WEST OF THIS LINE.

AT 855 AM...WEATHER RADAR INDICATED SCATTERED SHOWERS AND
THUNDERSTORMS...SOME INTENSE AND PRODUCING HEAVY RAINS AND POSSIBLY
SMALL HAIL.  THE ACTIVITY WAS BOUNDED BY A TEXARKANA TO RUSK TO WACO
TO SAN SABA TO WICHITA FALLS LINE.  THE MOST INTENSE THUNDERSTORMS WERE
LOCATED ALONG A LINE...ABOUT 15 MILES WIDE...EXTENDED ALONG A MCKINNEY
TO DALLAS DENTON TO CLEABURN TO GATESVILLE SOUTHWARD LINE.  THE
ACTIVITY  WAS MOVING TO THE NORTHEAST TO 30 MPH.  PEA SIZE4 HAIL WAS
REPORTED AT HICO AROUND 8 AM.

KEEP ALERT FOR THREATENING WEATHER IN YOUR AREA AND BE PREPARED TO TAKE
QUICK ACTION.

STAY TUNED TO THIS STATION FOR LATER STATEMENTS OR POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 7:34 PM CDTFlash Flood WarningFWDJohnson3 hr
Apr 12, 7:43 PM CDTTornado WarningFWDJohnson47 min
Apr 12, 8:30 PM CDTTornado WarningFWDJohnson60 min
Apr 12, 9:10 PM CDTTornado WarningFWDHill65 min
Apr 12, 9:30 PM CDTTornado WarningFWDJohnson45 min
Apr 12, 10:15 PM CDTSevere Thunderstorm WarningFWDJohnson45 min
Apr 12, 10:16 PM CDTTornado WarningFWDHill59 min
Apr 12, 10:27 PM CDTFlash Flood WarningFWDJohnson3 hr
Apr 12, 11:04 PM CDTFlash Flood WarningFWDHill4 hr
Apr 13, 12:02 AM CDTTornado WarningFWDHill43 min
Apr 13, 12:16 AM CDTFlash Flood WarningFWDEllis59 min
Apr 13, 9:04 AM CDTFlash Flood WarningFWDJohnson, Somervell4 hr
Apr 13, 9:17 AM CDTFlash Flood WarningFWDDallas, Tarrant4 hr
Apr 13, 10:32 AM CDTFlash Flood WarningFWDEllis2 hr
Apr 13, 10:59 AM CDTFlash Flood WarningFWDBell, Coryell, McLennan3 hr
Apr 13, 11:05 AM CDTFlash Flood WarningFWDHunt, Rockwall3 hr
Apr 13, 11:56 AM CDTSevere Thunderstorm WarningFWDBell64 min
Apr 13, 12:16 PM CDTSevere Thunderstorm WarningFWDEllis31 min
Apr 13, 12:18 PM CDTFlash Flood WarningFWDFalls, Limestone3 hr
Apr 13, 1:04 PM CDTFlash Flood WarningFWDBell, Coryell, Falls, Hill, Limestone, McLennan3 hr
Apr 13, 1:06 PM CDTTornado WarningFWDRed River54 min
Apr 13, 4:47 PM CDTSevere Thunderstorm WarningFWDBrazos, Robertson58 min
Apr 13, 5:23 PM CDTSevere Thunderstorm WarningFWDLeon, Madison52 min
Apr 13, 6:03 PM CDTSevere Thunderstorm WarningFWDBrazos57 min
Apr 13, 6:58 PM CDTSevere Thunderstorm WarningFWDBrazos62 min

Nearby

Flash Flood Warnings in Texas, 1991Every flash flood warning in 1991

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.