Alert archive / Texas / Flash Flood Warnings in 1990

Flash Flood Warning 49, NWS Fort Worth, TX

April 24, 1990Brazos County, Texas

NWS Fort Worth, TX issued this flash flood warning at Apr 24, 1990, 7:07 PM CDT for Brazos County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Apr 24, 1990, 7:07 PM CDT (00:07 UTC)
Expired
Apr 24, 1990, 10:15 PM CDT
In force
3 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Brazos County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 0.1 hours before the alert went out and 243 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 00:00Z on 1990-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1792 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 00:00Z on 1990-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 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
1792 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
973 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
239 m²/s²
Significant tornado parameter
1.1
Supercell composite
5.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KACT 242308
FFWACT
TXC041-250315-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WACO TX
707 PM CDT TUE APR 24 1990
 
THE NATIONAL WEATHER SERVICE IN WACO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1015 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...BRAZOS COUNTY
 
FLOODING OF ROADWAYS WITH CARS BEING WASHED OFF ROADS HAS BEEN
REPORTED IN COLLEGE STATION.
 
ALSO 2.50 INCHES OF RAIN HAS BEEN REPORTED IN COLLEGE STATION WITH
RAIN STILL OCCURRING.
 
 
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 24, 4:21 PM CDT, 2 hours 46 minutes before
TXZ031-037-242230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
415 PM CDT MON APR 24 1990

...STRONG THUNDERSTORMS OVER BELL COUNTY IN CENTRAL TEXAS...

AT 4:05 PM CDT RADAR SHOWED SHOWERS AND THUNDERSTORMS...SOME WITH
VERY HEAVY RAIN...EXTENDED FROM CANTON...TO GROESBECK...TO KILLEEN
AND SOUTHEAST TOWARD GIDDINGS. THE STRONGEST STORM WAS LOCATED NEAR
THE BELL/FALLS COUNTY LINE EAST OF TEMPLE. OTHER STRONG STORMS WERE
WEST AND SOUTHWEST OF BELTON IN BELL COUNTY. MOVEMENT WAS NORTHEAST.

THE PRECIPITATION AREA EXTENDED EAST BEYOND TYLER AND SOUTH TO
HEMPSTEAD. OTHER SHOWERS WERE OCCURRING FROM GLEN ROSE SOUTH ACROSS
BOSQUE AND CORYELL COUNTIES TO AUSTIN.

STRONG GUSTY WINDS...DANGEROUS LIGHTNING...SMALL HAIL...AND PERIODS
OF VERY HEAVY RAINFALL SHOULD BE EXPECTED WITH THE LARGER STORMS AS
THEY MOVE THROUGH BELL...FALLS...ROBERTSON...LEON...AND POSSIBLY
<LIMESTONE COUNTIES DURING THE NEXT HOUR. PERSONS IN BELL COUNTY
0MAY EXPERIENCE SOME STREET FLOODING AND FLOODING OF LOW LYING AREAS
SINCE THESE THUNDERSTORMS HAVE BEEN TRACKING NORTHEAST ACROSS THAT
COUNTY AT 25 MPH DURING THE PAST TWO HOURS.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS.
Special weather statement, Apr 24, 5:06 PM CDT, 2 hours 1 minute before
TXZ022-023-027-028-032-033-250000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FT WORTH TX
505 PM CDT TUE APR 24 1990

AT 500 PM...WEATHER SERVICE RADARS INDICATED NUMEROUS THUNDERSTORMS...WITH
VERY HEAVY RAINS...AND SCATTERED RAINSHOWERS OVER NORTHEAST TEXAS AND THE
EXTREME SOUTHEAST PART OF NORTH CENTRAL TEXAS. THE AREA OF PRECIPITATION
IS MAINLY EAST OF A FAIRFIELD...CANTON...PARIS LINE.

THE THUNDERSTORMS WITH THE HEAVIEST RAINS WERE IN A LINE FROM NEAR
CENTERVILLE...PALESTINE...TYLER TO QUITMAN. MOVEMENT OF ALL THE
PRECIPITATION WAS NORTH AT 25 MILES AN HOUR.

CONSIDERABLE MOISTURE AT THE LOWER LEVELS OF THE ATMOSPHERE...AND A
PASSING UPPER LEVEL DISTURBANCE...WAS PRODUCING THE^ SIGNIFICANT AREA
OF PRECIPITATION IN NORTHEAST TEXAS.

LOCALIZED FLOODING OF LOW LYING AREAS IS LIKELY WITH THIS WEATHER SITUATION.

STAY TUNED TO THIS STATION FOR LATER STATEMENTS ON THIS WEATHER SITUATION.
Special weather statement, Apr 24, 5:43 PM CDT, 1 hour 24 minutes before
TXZ031-037-242230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
535 PM CDT MON APR 24 1990

...MORE STRONG THUNDERSTORMS WITH HEAVY RAIN AND MARBLE SIZE HAIL
MOVING THROUGH BELL COUNTY OF CENTRAL TEXAS...

SHOWERS AND THUNDERSTORMS...SOME ACCOMPANIED BY VERY HEAVY RAINFALL..
CONTINUE ACROSS PORTIONS OF CENTRAL AND EAST CENTRAL TEXAS. AT
5:25 PM CDT...WACO RADAR SHOWED THE STRONGEST STORMS CONTINUING
IN BELL COUNTY. THESE STORMS ARE TRACKING NORTHEAST AT 25 MPH...
AND ALONG A GENERAL PATH OTHER STORMS HAVE TAKEN DURING THE AFTERNOON.
AN UNOFFICIAL REPORT OF OVER THREE INCHES OF RAINFALL WAS RECEIVED
FROM THE ACADEMY AREA. ONE STORM HAS JUST MOVED OVER THE ACADEMY/
HEIDENHEIMER AREA OF BELL COUNTY OR JUST SOUTHEAST OF TEMPLE.
FURTHER SOUTH ANOTHER STORM IS LOCATED SOUTH OF SALADO AND JUST
NORTHWEST OF BARTLETT. MARBLE SIZE HAIL HAS JUST OCCURRED 3 MILES
NORTH OF BARTLETT BETWEEN 5:25 AND AND 5:30. THIS STORM IS MOVING
NORTHEAST.
<
SOME STREET FLOODING IS POSSIBLE ALONG WITH FLOODING OF DITCHES...
SMALL STREAMS...UNDERPASSES...AND LOW WATER CROSSINGS DURING THE
NEXT HOUR OR SO AS RUNOFF WILL CONTINUE FROM THESE HEAVY RAINS.
LOCAL OFFICIALS HAVE REPORTED NO PROBLEMS THUS FAR IN THE COUNTY.
NEVERTHELESS...MOTORISTS SHOULD USE CAUTION ESPECIALLY OVER THE
EASTERN PART OF THE COUNTY.

SHOULD THE STORM OVER THE SOUTHERN PART OF BELL COUNTY MOVE OVER
THE SAME PATH AS THE PREVIOUS STORMS...A WARNING WILL LIKELY BE
NEEDED. PERSONS IN THAT COUNTY SHOULD BE EXPECIALLY ALERT FOR
FLOODING DURING THE NEXT HOUR.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
Special weather statement, Apr 24, 5:49 PM CDT, 1 hour 18 minutes before
TXZ022-023-027-028-032-033-250000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FT WORTH TX
545 PM CDT TUE APR 24 1990

AT 540 PM...WEATHER SERVICE RADARS INDICATED AN AREA OF SCATTERED SHOWERS
AND NUMEROUS THUNDERSTORMS...SOME PRODUCING VERY HEAVY RAINS...OVER
NORTHEAST TEXAS MAINLY EAST OF A FAIRFIELD...SULPHUR SPRINGS...PARIS LINE.
STRONG THUNDERSTORMS WERE OVER SOUTHEAST ANDERSON AND SOUTHWEST CHEROKEE
COUNTIES...OVER SOUTHEAST AND NORTHEAST TYLER COUNTY...AND OVER NORTHEAST
WOOD...WESTERN CAMP AND SOUTH FRANKLIN COUNTIES. MOVEMENT WAS NORTHEAST
AT 25 MILES AN HOUR.

CONSIDERABLE MOISTURE AT THE LOWER LEVELS OF THE ATMOSPHERE...AND A
PASSING UPPER LEVEL DISTURBANCE...WAS PRODUCING THE SIGNIFICANT AREA
OF PRECIPITATION IN NORTHEAST TEXAS.

LOCALIZED FLOODING OF LOW LYING AREAS IS LIKELY WITH THIS WEATHER SITUATION.

STAY TUNED TO THIS STATION FOR LATER STATEMENTS.
Special weather statement, Apr 24, 6:52 PM CDT, 15 minutes before
TXZ022-023-027-028-032-033-250100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FT WORTH TX
650 PM CDT TUE APR 24 1990

AT 645 PM...WEATHER SERVICE RADARS INDICATED AN AREA OF SCATTERED SHOWERS
AND NUMEROUS THUNDERSTORMS...SOME PRODUCING VERY HEAVY RAINS...OVER
NORTHEAST TEXAS MAINLY EAST OF A PALESTINE...GRAND SALINE...CLARKSVILLE
LINE. MOVEMENT WAS NORTHEAST AT 25 MILES AN HOUR.

CONSIDERABLE MOISTURE AT THE LOWER LEVELS OF THE ATMOSPHERE...AND A
PASSING UPPER LEVEL DISTURBANCE...WAS PRODUCING THE SIGNIFICANT AREA
OF PRECIPITATION IN NORTHEAST TEXAS.

LATER STATEMENTS ON THIS WEATHER SITUATION WILL BE ISSUED AS NEEDED.
Special weather statement, Apr 24, 7:01 PM CDT, 6 minutes before
TXZ031-037-250200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
800 PM CDT TUE APR 24 1990

...A FLASH FLOOD WARNING IS IN EFFECT UNTIL 945 PM CDT FOR BELL
COUNTY OF NORTH CENTRAL TEXAS...AND FOR BRAZOS COUNTY OF SOUTH
CENTRAL TEXAS UNTIL 1015 PM CDT...

AT 755 PM CDT THUNDERSTORMS AND SHOWERS...SOME WITH VERY HEAVY RAIN...
WERE SCATTERED FROM BELL COUNTY...SOUTHEAST...THROUGH BRAZOS COUNTY.

MOVEMENT WAS TO THE NORTH 15 MILES AN HOUR.

PERSONS IN THE MENTIONED AREAS SHOULD KEEP ALERT TO FAST RISING
WATERS OVER ROADWAYS..LOW LYING..FLOOD PRONE AREAS...AND BE PREPARED
TO MOVE TO SAFETY IMMEDIATELY.

STAY TUNED TO RADIO..TV OR NOAA WEATHER RADIO FOR FURTHER STATEMENTSX
OR ADVISORIES.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 4:19 PM CDTFlash Flood WarningFWDHood, Parker4 hr
Apr 25, 4:30 PM CDTTornado WarningFWDParker45 min
Apr 25, 5:11 PM CDTTornado WarningFWDParker34 min
Apr 25, 5:15 PM CDTTornado WarningFWDWise60 min
Apr 25, 5:58 PM CDTTornado WarningFWDCollin47 min
Apr 25, 6:01 PM CDTFlash Flood WarningFWDWise4 hr
Apr 25, 6:13 PM CDTTornado WarningFWDComanche, Erath62 min
Apr 25, 6:35 PM CDTFlash Flood WarningFWDComanche, Eastland, Erath4 hr
Apr 25, 6:38 PM CDTSevere Thunderstorm WarningFWDWise67 min

Nearby

Flash Flood Warnings in Texas, 1990Every flash flood warning in 1990

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.