Alert archive / Texas / Flash Flood Warnings in 1991

Flash Flood Warning 21, NWS Fort Worth, TX

April 28, 1991Tarrant County, Texas

NWS Fort Worth, TX issued this flash flood warning at Apr 28, 1991, 12:57 PM CDT for Tarrant County, Texas. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Apr 28, 1991, 12:57 PM CDT (17:57 UTC)
Expired
Apr 28, 1991, 1:50 PM CDT
In force
53 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Tarrant County, TX

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 12:00Z, 6.0 hours before the alert went out and 98 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 1991-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 822 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Stephenville/Cla, TX at 12:00Z on 1991-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 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
822 J/kg
Mixed-layer CIN
-199 J/kg
Mixed-layer LCL
921 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 281801
FFWFTW
TXC439-282000-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
1257 PM CDT SUN APR 28 1991
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  300 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...TARRANT COUNTY
 
SLOW MOVING THUNDERSTORMS WILL CONTINUE TO PRODUCE HEAVY RAINS OF TWO
TO THREE INCHES PER HOUR OVER EASTERN PORTIONS OF TARRANT COUNT FROM
DFW AIRPORT TO THE MID-CITIES AREA TO ARLINGTON UNTIL 230 PM CDT.
THESE HEAVY RAIN PRODUCING THUNDERSTORMS WERE PART OF A LINE OF
THUNDERSTORMS THAT EXTENDED FROM BETWEEN DENTON AND MCKINNEY TO DFW
AIRPORT TO NORTHEAST OF WACO. INDIVIDUAL THUNDERSTORMS WERE MOVING
NORTHEAST AT 45 MILES AN HOUR WHILE THE LINE SHOWED ONLY SLOW
MOVEMENT. AT 1250 PM...STREET FLOODING UP TO CURB DEEP WAS OBSERVED IN
NORTH RICHLAND HILLS. AT 1248 PM...NICKEL HAIL WAS OBSERVED AT THE
KXAS TV STATION.
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 28, 10:20 AM CDT, 2 hours 37 minutes before
TXZ031-281630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
1020 AM CDT SUN APR 28 1991

...THUNDERSTORMS DEVELOPING RAPIDLY OVER THE TEXAS HILL COUNTRY...

AT 1001 AM CDT THUNDERSTORMS...SOME WITH VERY HEAVY RAINFALL...HAD
DEVELOPED ALONG THE BELL/WILLIAMSON COUNTY LINE AND EXTENDED SOUTHWEST
TO NEAR FREDERICKSBURG. ANOTHER AREA OF RAPIDLY DEVELOPING SHOWERS
AND THUNDERSTORMS WAS IN THE SAN ANGELO AREA.  THE HEAVIER RAINFALL
WAS JUST APPROACHING THE SOUTHWEST BELL COUNTY LINE  SOUTH OF KILLEEN.

DUE TO ABUNDANT GULF MOISTURE...AN UNSTABLE ATMOSPHERE...AND AN
APPROACHING DRY LINE AND COLD FRONT THUNDERSTORMS ARE EXPECTED TO REACH
SEVERE LEVELS TODAY.

CENTRAL AND SOUTH CENTRAL TEXAS RESIDENTS ARE URGED TO KEEP ABREAST
OF THE LATEST WEATHER INFORMATION TODAY. IF YOU PLAN OUTDOOR ACTIVITIES
...ESPECIALLY BOATING ON AREA LAKES...KEEP AN EYE PEELED FOR APPROACHING<
THUNDERSTORMS. DONT BE CAUGHT ON OPEN WATER.

THESE SHOWERS AND THUNDERSTORMS ARE MOVING RAPIDLY TO THE NORTHEAST
NEAR 40 MILES AN HOUR.

A CO-OPERATIVE WEATHER OBSERVER FROM FISHER RANCH...13 SOUTH SOUTH WEST
OF KILLEEN JUST REPORTED PEA SIZE HAIL AT 1017 AM CDT.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

07
Special weather statement, Apr 28, 10:43 AM CDT, 2 hours 14 minutes before
TXZ031-032-037-281645-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
1042 AM CDT SUN APR 28 1991

AT 1037 AM CDT WACO WEATHER RADAR SHOWED RAPIDLY DEVELOPING SHOWERS AND
THUNDERSTORMS ACROSS PARTS OF BELL...CORYELL...FALLS AND MCLENNAN COUNTIES
OF CENTRAL TEXAS...AMD ACROSS ALL OF SOUTHCENTRAL TEXAS.  THE HEAVIEST
ACTIVITY WAS LOCATED IN BELL COUNTY NEAR KILLEEN.  MOVEMENT WAS TO THE
NORTHEAST AT 40 MPH.

A VERY UINSTABLE ATMOSPHERE ACROSS THE AREA AND AN APPROACHING STRONG UPPER
LEVEL DISTURBANCE WILL PRODUCE WIDESPREAD SHOWER AND THUNDERSTORM ACTIVITY
TODAY ACROSS CENTRAL AND SOUTHCENTRAL TEXAS.

SOME OF THE STORMS COULD QUICKLY REACH SEVERE LIMITS AND PRODUCE LARGE HAIL
...DANGEROUS LIGHTNING...VERY HEAVY RAIN AND STRONG WINDS. PERSONS IN CENTRAL
AND SOUTHCENTRAL TEXAS SHOULD KEEP ABREAST OF THE LATEST WEATHER CONDITIONS
...AS A SEVERE WEATHER OUTBREAK IS POSSIBLE.
<
STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMJENTS AND POSSIBLE
WARNINGS.

BB
Special weather statement, Apr 28, 11:44 AM CDT, 1 hour 13 minutes before
TXZ031-032-037-281645-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
1144 AM CDT SUN APR 28 1991

...TORNADO WATCH IN EFFECT UNTIL 600 PM CDT FOR ALL OF CENTRAL AND
   SOUTHCENTRAL TEXAS...

AT 1137 AM CDT WACO WEATHER RADAR SHOWED SHOWERS WITH EMBEDDED HEAVY
THUNDERSTORMS ACROSS MUCH OF CENTRAL AND SOUTHCENTRAL TEXAS.  THE HEAVIEST
ACTIVITY WAS LOCATED IN BOSQUE COUNTY NEAR LAKE WHITNEY...AND JUST WEST OF
CLIFTON EXTENDING SOUTH INTO NORTHERN CORYELL COUNTY NEAR JONESBORO.
MOVEMENT WAS TO THE NOTHEAST AT 40 MPH.

THE VERY UNSTABLE ATMOSPHERE ACROSS THE AREA AND AN APPROACHING STRONG UPPER
LEVEL DISTURBANCE WILL PRODUCE WIDESPREAD SHOWER AND THUNDERSTORM ACTIVITY
TODAY ACROSS CENTRAL AND SOUTHCENTRAL TEXAS.  SOME OF THE STRONGER STORMS
WILL BE CAPABLE OF PRODUCING VERY HEAVY RAIN...STRONG GUSTY WINDS...DANGEROUS
LIGHTNING...HAIL...AND POSSIBLY TORNADOES.
<
RESIDENTS OF CENTRAL AND SOUTHCENTRAL TEXAS SHOULD REMAIN ALERTP TO CHANGING
WEATHER CONDITIONS AS THESE STORMS DEVELOP RAPIDLY.

BB
Special weather statement, Apr 28, 11:48 AM CDT, 1 hour 9 minutes before
TXZ031-032-037-281745-

SPECIAL WEATHER STATEMENT...CORRECT EXPIRATION TIME
NATIONAL WEATHER SERVICE WACO TX
1144 AM CDT SUN APR 28 1991

...TORNADO WATCH IN EFFECT UNTIL 600 PM CDT FOR ALL OF CENTRAL AND
   SOUTHCENTRAL TEXAS...

AT 1137 AM CDT WACO WEATHER RADAR SHOWED SHOWERS WITH EMBEDDED HEAVY
THUNDERSTORMS ACROSS MUCH OF CENTRAL AND SOUTHCENTRAL TEXAS.  THE HEAVIEST
ACTIVITY WAS LOCATED IN BOSQUE COUNTY NEAR LAKE WHITNEY...AND JUST WEST OF
CLIFTON EXTENDING SOUTH INTO NORTHERN CORYELL COUNTY NEAR JONESBORO.
MOVEMENT WAS TO THE NOTHEAST AT 40 MPH.

THE VERY UNSTABLE ATMOSPHERE ACROSS THE AREA AND AN APPROACHING STRONG UPPER
LEVEL DISTURBANCE WILL PRODUCE WIDESPREAD SHOWER AND THUNDERSTORM ACTIVITY
TODAY ACROSS CENTRAL AND SOUTHCENTRAL TEXAS.  SOME OF THE STRONGER STORMS
WILL BE CAPABLE OF PRODUCING VERY HEAVY RAIN...STRONG GUSTY WINDS...DANGEROUS
LIGHTNING...HAIL...AND POSSIBLY TORNADOES.
<
RESIDENTS OF CENTRAL AND SOUTHCEN^TRAL TEXAS SHOULD REMAIN ALERT TO CHANGING
WEATHER CONDITIONS AS THESE STORMS DEVELOP RAPIDLY.

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

BB
Special weather statement, Apr 28, 12:04 PM CDT, 53 minutes before
TXZ031-032-037-281745-

SPECIAL WEATHER STATEMENT...CORRECT WATCH AREA
NATIONAL WEATHER SERVICE WACO TX
1144 AM CDT SUN APR 28 1991

...TORNADO WATCH IN EFFECT UNTIL 600 PM CDT FOR ALL OF CENTRAL TEXAS...
...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 600 PM CDT FOR MILAM COUNTY...

AT 1137 AM CDT WACO WEATHER RADAR SHOWED SHOWERS WITH EMBEDDED HEAVY
THUNDERSTORMS ACROSS MUCH OF CENTRAL AND SOUTHCENTRAL TEXAS.  THE HEAVIEST
ACTIVITY WAS LOCATED IN BOSQUE COUNTY NEAR LAKE WHITNEY...AND JUST WEST OF
CLIFTON EXTENDING SOUTH INTO NORTHERN CORYELL COUNTY NEAR JONESBORO.
MOVEMENT WAS TO THE NOTHEAST AT 40 MPH.

THE VERY UNSTABLE ATMOSPHERE ACROSS THE AREA AND AN APPROACHING STRONG UPPER
LEVEL DISTURBANCE WILL PRODUCE WIDESPREAD SHOWER AND THUNDERSTORM ACTIVITY
TODAY ACROSS CENTRAL AND SOUTHCENTRAL TEXAS.  SOME OF THE STRONGER STORMS
WILL BE CAPABLE OF PRODUCING VERY HEAVY RAIN...STRONG GUSTY WINDS...DANGEROUS
LIGHTNING...HAIL...AND POSSIBLY TORNADOES.
<
RESIDENTS OF CENTRAL AND SOUTHCENTRAL TEXAS SHOULD REMAIN ALERT TO CHANGING
WEATHER CONDITIONS AS THESE STORMS DEVELOP RAPIDLY.

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

BB

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 10:15 PM CDTSevere Thunderstorm WarningFWDHenderson60 min
Apr 27, 10:25 PM CDTSevere Thunderstorm WarningFWDVan Zandt65 min
Apr 27, 10:51 PM CDTTornado WarningFWDSmith39 min
Apr 27, 10:52 PM CDTSevere Thunderstorm WarningFWDLeon, Madison68 min
Apr 27, 10:56 PM CDTTornado WarningFWDCherokee34 min
Apr 27, 11:03 PM CDTSevere Thunderstorm WarningFWDHopkins, Rains, Wood57 min
Apr 27, 11:29 PM CDTTornado WarningFWDCherokee, Smith46 min
Apr 27, 11:31 PM CDTSevere Thunderstorm WarningFWDUpshur59 min
Apr 27, 11:50 PM CDTSevere Thunderstorm WarningFWDDelta, Lamar55 min
Apr 27, 11:56 PM CDTSevere Thunderstorm WarningFWDHopkins49 min
Apr 28, 12:18 AM CDTSevere Thunderstorm WarningFWDHenderson57 min
Apr 28, 12:23 AM CDTSevere Thunderstorm WarningFWDRed River67 min
Apr 28, 11:29 AM CDTSevere Thunderstorm WarningFWDHamilton61 min
Apr 28, 11:47 AM CDTTornado WarningFWDHamilton58 min
Apr 28, 11:56 AM CDTTornado WarningFWDBosque49 min
Apr 28, 12:07 PM CDTSevere Thunderstorm WarningFWDJohnson, Tarrant68 min
Apr 28, 12:13 PM CDTSevere Thunderstorm WarningFWDDallas62 min
Apr 28, 12:28 PM CDTSevere Thunderstorm WarningFWDBosque, Coryell62 min
Apr 28, 12:52 PM CDTSevere Thunderstorm WarningFWDDenton68 min
Apr 28, 1:27 PM CDTSevere Thunderstorm WarningFWDCoryell63 min
Apr 28, 1:30 PM CDTSevere Thunderstorm WarningFWDCollin60 min
Apr 28, 1:33 PM CDTFlash Flood WarningFWDBosque, Coryell3 hr
Apr 28, 1:58 PM CDTSevere Thunderstorm WarningFWDDallas, Ellis62 min
Apr 28, 2:05 PM CDTTornado WarningFWDDallas, Ellis55 min
Apr 28, 3:05 PM CDTSevere Thunderstorm WarningFWDAnderson, Cherokee55 min
Apr 28, 3:09 PM CDTSevere Thunderstorm WarningFWDLeon, Robertson66 min
Apr 28, 3:23 PM CDTSevere Thunderstorm WarningFWDBrazos67 min
Apr 28, 3:42 PM CDTSevere Thunderstorm WarningFWDBell63 min
Apr 28, 3:46 PM CDTSevere Thunderstorm WarningFWDSmith, Upshur59 min
Apr 28, 3:55 PM CDTTornado WarningFWDCherokee35 min
Apr 28, 4:04 PM CDTSevere Thunderstorm WarningFWDMadison44 min
Apr 28, 4:14 PM CDTFlash Flood WarningFWDAnderson, Cherokee3 hr
Apr 28, 5:41 PM CDTFlash Flood WarningFWDRed River3 hr

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.