Alert archive / Texas / Flash Flood Warnings in 1990

Flash Flood Warning 86, NWS Fort Worth, TX

April 26, 19904 counties in Texas

NWS Fort Worth, TX issued this flash flood warning at Apr 26, 1990, 10:35 AM CDT for 4 counties in Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Apr 26, 1990, 10:35 AM CDT (15:35 UTC)
Expired
Apr 26, 1990, 1:30 PM CDT
In force
3 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties

Counties Collin County, TX, Dallas County, TX, Rockwall County, TX, Tarrant 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 12:00Z, 3.6 hours before the alert went out and 147 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 1990-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 833 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 1990-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -252 square meters per square second.193958Sfc1 km3 km6 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
833 J/kg
Mixed-layer CIN
-180 J/kg
Mixed-layer LCL
588 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
-252 m²/s²
0-3 km storm-relative helicity
-78 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-1.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 261538
FFWFTW
TXC085-113-397-439-261830-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
1035 AM CDT THU APR 26 1990
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  130 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...COLLIN COUNTY...DALLAS COUNTY...ROCKWALL COUNTY...TARRANT COUNTY
 
AT 1030 AM CDT... RADAR SHOWED RAIN AND THUNDERSTORMS CONTINUING OVER
TARRANT... DALLAS... COLLIN AND ROCKWALL COUNTIES. BETWEEN TWO AND
THREE INCHES HAVE FALLEN SINCE MIDNIGHT... AND THESE ADDITIONAL RAINS
ARE EXPECTED TO AGGRAVATE DRAINAGE AND LOW WATER AREAS.
 
FLOOD WARNING CONTINUES FOR JOHNSON CREEK IN GRAND PRAIRIE UNITL
NOON... ALSO EVACUATIONS OF SOME RESIDENCES ALONG TEN MILE CREEK IN
DESOTO REPORTED AROUND 1020 PM.
 
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.
 
RAIN IS EXPECTED TO TAPER OFF OVER NORTH CENTRAL TEXAS BY EARLY
AFTERNOON.

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 26, 5:41 AM CDT, 4 hours 54 minutes before
TXZ019>033-262200-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FT WORTH TX
550 AM CDT THU APR 26 1990

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS TODAY AND TONIGHT
OVER THAT PART OF NORTH TEXAS ALONG AND SOUTH OF A LINE FROM
BROWNWOOD TO MINERAL WELLS TO PARIS.  THERE IS A SLIGHT RISK OF
SEVERE THUNDERSTORMS OVER ALL OF NORTH TEXAS NORTH OF THE SAME LINE.

AN UPPER LEVEL LOW PRESSURE TROUGH OVER WEST TEXAS CONTINUED TO MOVE
SLOWLY EAST. AIR WITH A VERY HIGH MOISTURE CONTENT AND A STRONG
TENDENCY TO RISE REMAINED OVER NORTH TEXAS. SEVERE THUNDERSTORMS
COULD OCCUR JUST ABOUT ANYWHERE IN THE NORTH TEXAS AREA TODAY BUT
BEST CHANCES WILL BE IN THE CENTRAL AND EASTERN PORTIONS WHERE
ACTIVITY WILL BE AFFECTED BY OUTFLOW BOUNDARIES.  TORNADOES CANNOT
BE RULED OUT ALTHOUGH HEAVY RAIN...HIGH WINDS...AND HAIL ARE THE
MOST LIKELY EVENTS.

FLASH FLOODING HAS BEEN WIDESPREAD THROUGHOUT MUCH OF NORTH CENTRAL
TEXAS YESTERDAY AND EARLY THIS MORNING AND A FLASH FLOOD WATCH REMAINS
IN EFFECT FOR ALMOST ALL OF NORTH TEXAS TODAY AND TONIGHT.

SPOTTERS AND EMERGENCY MANAGEMENT OFFICIALS ACROSS MOST OF NORTH TEXAS
ARE REQUESTED TO MAINTAIN A HIGH STATE OF READINESS IN CASTE SPOTTER
NETS NEED TO BE ACTIVATED.
Special weather statement, Apr 26, 7:26 AM CDT, 3 hours 9 minutes before
TXZ031-037-261330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
724 AM CDT THU APR 26 1990

...TORNADO WATCH FOR BELL...FALLS...ROBERTSON...LEON...MADISON AND
BRAZOS COUNTIES UNTIL NOON CDT...

...FLASH FLOOD WATCH FOR CENTRAL AND SOUTH CENTRAL TEXAS TODAY AND
TONIGHT...

AT 710 AM CDT A LINE OF NUMEROUS THUNDERSTORMS WITH HEAVY RAIN
STRETCHED FROM JUST WEST OF HILLSBORO TO CLIFTON TO JUST NORTHEAST OF
AUSTIN. THE LINE OF THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN
HOUR.

FLOODING OF SMALL STREAMS AND CREEKS AS WELL AS LOW WATER CROSSINGS
CAN BE EXPECTED TO OCCUR ESPECIALLY IN BOSQUE AND CORYELL COUNTIES FOR
THE NEXT COUPLE OF HOURS. SOME RAINFALL REPORTS FROM COOPE+RATIVE
OBSERVERS...MERIDIAN 4.27...IREDELL 4.63.

STAY TUNED TO NOAA WEATHER RADIO.
Special weather statement, Apr 26, 8:21 AM CDT, 2 hours 14 minutes before
TXZ031-037-261419-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
819 AM CDT THU APR 26 1990

...TORNADO WATCH FOR BELL...FALLS...ROBERTSON...LEON...MADISON AND
BRAZOS COUNTIES UNTIL NOON CDT...

...FLASH FLOOD WATCH FOR CENTRAL AND SOUTH CENTRAL TEXAS TODAY AND
TONIGHT...

AT 807 AM CDT A WIDESPREAD AREA OF RAIN...WITH EMBEDDED THUNDERSTORMS
...WITH VERY HEAVY RAIN...WAS WEST OF A LINE FROM FT WORTH...TO 25
MILES EAST OF WACO TO AUSTIN. RAINFALL IS SO HEAVY THAT THE WACO
RADAR IS NOT ABLE TO FUNCTION AT ITS PEAK LEVEL.

FLOODING OF SMALL STREAMS AND CREEKS...AS WELL AS LOW WATER CROSSINGS
CAN BE EXPECTED TO OCCUR ESPECIALLY IN BOSQUE...CORYELL...BELL AND
MCLENNAN COUNTIES FOR THE NEXT COUPLE OF HOURS. WACO HAS RECEIVED
NEARLY AN INCH OF RAIN DURING THE PAST 30 MINUTES...WITH WINDS<
GUSTING TO 41 MILES AN HOUR.

CENTRAL TEXAS RESIDENTS ARE URGED TO STAY INDOORS AND AVOID TRAVEL
UNLESS ABSOLUTELY NECESSARY. DO NOT USE ELECTRICAL APPLIANCES UNLESS
NECESSARY AND STAY AWAY FROM WINDOWS DUE TO DANGEROUS CLOUD TO GROUND
LIGHTNING STRIKES.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TV FOR FURTHER
WEATHER INFORMATION.

07
Special weather statement, Apr 26, 9:30 AM CDT, 1 hour 5 minutes before
TXZ031-037-261529-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
929 AM CDT THU APR 26 1990

...TORNADO WATCH FOR BELL...FALLS...ROBERTSON...LEON...MADISON AND
BRAZOS COUNTIES UNTIL NOON CDT...

...FLASH FLOOD WATCH FOR CENTRAL AND SOUTH CENTRAL TEXAS TODAY AND
TONIGHT...

AT 914 AM CDT A WIDESPREAD AREA OF RAIN...WITH EMBEDDED THUNDERSTORMS
...WITH VERY HEAVY RAIN...WAS WEST OF A LINE FROM 15 MILES EAST OF FT
WORTH...TO FAIRFIELD TO GIDDINGS...AND EXTENDED WEST TO ABILENE.

A BAND OF VERY HEAVY RAIN EXTENDED FROM ENNIS...TO PRAIRIE HILL TO
THE ROSEBUD AREA. THE DEPARTMENT OF PUBLIC SAFETY HAS REPORTED NUMEROUS
SECTIONS OF ACCESS ROADS IN FALLS AND MCLENNAN COUNTY TO BE UNDERWATER.

ALSO...THE INTERSECTIONS OF BROAD TO CACTUS IN WOODWAY WERE REPORTED TO<
BE UNDER WATER AT 813 AM CDT.

ELSEWHERE...RT 219 IN BOSQUE COUNTY...NEAR CLIFTON...THE BOSQUE RIVER
IS OVER THE ROAD. A MOBILE HOME ALONG THE RIVER WAS REPORTED GOING UNDER
WATER.

CENTRAL TEXAS AREA RESIDENTS ARE URGED TO TRAVEL ONLY IF NECESSARY...
AVOID LOW WATER CROSSINGS AND KNOWN FLOOD-PRONE AREAS. DONT BECOME THE
NEXT FATALITY. IT ONLY TAKES TWO FEET OF MOVING WATER TO SWEEP A VEHICLE
OFF THE ROAD.,

RAINFALL REPORTS RECEIVED THIS MORNING...IREDELL 4.63, MERIDIAN 4.27,
EVANT 3.65, WALNUT SPRINGS 5.20.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TV FOR FURTHER
WEATHER INFORMATION.

07

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 7:19 PM CDTSevere Thunderstorm WarningFWDErath, Palo Pinto56 min
Apr 25, 7:20 PM CDTFlash Flood WarningFWDYoung4 hr
Apr 25, 7:24 PM CDTTornado WarningFWDErath66 min
Apr 25, 7:58 PM CDTTornado WarningFWDComanche, Erath62 min
Apr 25, 8:00 PM CDTFlash Flood WarningFWDBrown3 hr
Apr 25, 8:35 PM CDTSevere Thunderstorm WarningFWDComanche55 min
Apr 25, 8:43 PM CDTFlash Flood WarningFWDArcher, Clay4 hr
Apr 25, 8:49 PM CDTFlash Flood WarningFWDParker56 min
Apr 25, 8:49 PM CDTSevere Thunderstorm WarningFWDParker56 min
Apr 25, 9:19 PM CDTSevere Thunderstorm WarningFWDEastland, Erath56 min
Apr 25, 9:43 PM CDTFlash Flood WarningFWDParker4 hr
Apr 25, 10:02 PM CDTFlash Flood WarningFWDWise4 hr
Apr 25, 10:18 PM CDTTornado WarningFWDErath, Palo Pinto57 min
Apr 25, 10:18 PM CDTTornado WarningFWDParker57 min
Apr 25, 10:31 PM CDTFlash Flood WarningFWDComanche, Eastland, Erath4 hr
Apr 25, 10:31 PM CDTFlash Flood WarningFWDPalo Pinto4 hr
Apr 25, 11:42 PM CDTFlash Flood WarningFWDCooke4 hr
Apr 26, 12:46 AM CDTTornado WarningFWDCoryell44 min
Apr 26, 12:50 AM CDTFlash Flood WarningFWDClay2 hr
Apr 26, 1:19 AM CDTFlash Flood WarningFWDDenton4 hr
Apr 26, 1:47 AM CDTFlash Flood WarningFWDParker, Wise4 hr
Apr 26, 2:05 AM CDTFlash Flood WarningFWDBrown3 hr
Apr 26, 2:25 AM CDTFlash Flood WarningFWDComanche, Eastland, Erath, Palo Pinto4 hr
Apr 26, 2:35 AM CDTFlash Flood WarningFWDClay, Jack, Montague5 hr
Apr 26, 2:35 AM CDTFlash Flood WarningFWDYoung5 hr
Apr 26, 3:26 AM CDTSevere Thunderstorm WarningFWDHamilton49 min
Apr 26, 4:08 AM CDTFlash Flood WarningFWDBosque3 hr
Apr 26, 4:22 AM CDTFlash Flood WarningFWDCooke4 hr
Apr 26, 4:47 AM CDTFlash Flood WarningFWDTarrant4 hr
Apr 26, 5:04 AM CDTFlash Flood WarningFWDBrown, Coleman3 hr
Apr 26, 5:07 AM CDTFlash Flood WarningFWDHood4 hr
Apr 26, 5:07 AM CDTFlash Flood WarningFWDHamilton4 hr
Apr 26, 6:10 AM CDTFlash Flood WarningFWDJohnson, Parker, Somervell4 hr
Apr 26, 6:10 AM CDTFlash Flood WarningFWDComanche, Eastland, Erath, Palo Pinto4 hr
Apr 26, 6:10 AM CDTFlash Flood WarningFWDWise4 hr
Apr 26, 8:55 AM CDTFlash Flood WarningFWDHamilton80 min
Apr 26, 8:55 AM CDTFlash Flood WarningFWDHood80 min
Apr 26, 9:20 AM CDTFlash Flood WarningFWDBosque, McLennan4 hr
Apr 26, 10:11 AM CDTFlash Flood WarningFWDHood, Johnson, Parker, Somervell3 hr
Apr 26, 10:11 AM CDTFlash Flood WarningFWDComanche, Eastland, Erath, Palo Pinto3 hr
Apr 26, 10:11 AM CDTFlash Flood WarningFWDDenton, Wise3 hr
Apr 26, 10:11 AM CDTFlash Flood WarningFWDHamilton3 hr
Apr 26, 10:19 AM CDTFlash Flood WarningFWDCoryell3 hr
Apr 26, 1:32 PM CDTFlash Flood WarningFWDBosque, Coryell, Hill, McLennan3 hr
Apr 26, 1:32 PM CDTFlash Flood WarningFWDBell3 hr

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.