Alert archive / Texas / Flash Flood Warnings in 1990

Flash Flood Warning 124, NWS Fort Worth, TX

May 2, 1990Collin County, Fannin County, Grayson County, Texas

NWS Fort Worth, TX issued this flash flood warning at May 2, 1990, 8:52 PM CDT for Collin County, Fannin County, Grayson County, Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 2, 1990, 8:52 PM CDT (01:52 UTC)
Expired
May 3, 1990, 1:00 AM CDT
In force
4 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties

Counties Collin County, TX, Fannin County, TX, Grayson 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, 1.9 hours before the alert went out and 207 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 1990-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1006 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 1990-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 square meters per square second.1939587897117Sfc1 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
1006 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
588 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
1.3
Supercell composite
4.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 030156
FFWFTW
TXC085-147-181-030600-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
852 PM CDT WED MAY 2 1990
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  100 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...COLLIN COUNTY...FANNIN COUNTY...GRAYSON COUNTY
 
AT 850 PM THUNDERSTORMS WITH HEAVY RAIN WERE MOVING THROUGH
GRAYSON...AND WESTERN SECTIONS OF FANNIN AND COLLIN COUNTIES. RESIDUAL
HIGH WATER WAS STILL BEING REPORTED IN THESE COUNTIES...AND ADDITIONAL
THUNDERSTORMS WILL ONCE AGAIN CAUSE SERIOUS FLASH FLOOD PROBLEMS.
THUNDERSTORMS WILL MOVE ACROSS ALL PORTIONS OF THESE THREE COUNTIES
DURING THE NEXT SEVERAL HOURS.
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE 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, May 2, 3:27 PM CDT, 5 hours 25 minutes before
TXZ031-037-022130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
330 PM CDT WED MAY 2 1990

...FLASH FLOOD WATCH IS IN EFFECT FOR TODAY AND TONIGHT FOR MOST OF
   CENTRAL AND SOUTH CENTRAL TEXAS...

AT 325 PM CDT MOSTLY LIGHT SHOWERS WERE SCATTERED THROUGH THE WESTERN
PORTION OF CENTRAL TEXAS...BOSQUE AND CORYELL COUNTIES.

MOVEMENT WAS TO THE NORTHEAST 35 MILES AN HOUR.

THUNDERSTORMS ARE EXPECTED TO DEVELOP LATER THIS AFTERNOON..k.AS
AFTERNOON HEATING WARMS THE AIR.

STAY TUNED TO RADIO..TV OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS.
08
Special weather statement, May 2, 5:53 PM CDT, 2 hours 59 minutes before
TXZ031-037-030045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
549 PM CDT WED MAY 2 1990

...A FLASH FLOOD WATCH IS IN EFFECT FOR TONIGHT...

AT 540 PM CDT WACO WEATHER RADAR SHOWED NUMEROUS LIGHT TO MODERATE
SHOWERS AND A FEW STRONG THUNDERSTORMS WITH HEAVY RAINFALL IN AN AREA
FROM NORTH OF FORT WORTH TO SOUTHWEST OF SAN SABA.  OTHER LIGHT TO
MODERATE SHOWERS WERE OCCURRING IN PARTS OF HILLL...LIMESTONE...LEON
...ROBERTSON...MADISON AND BRAZOS COUNTIES.  MOVEMENT OF ALL THE
PRECIPITATION WAS NORTHEAST AT 30 MPH.

WITH THE ALREADY RAINSOAKED GROUNDS IN CENTRAL AND SOUTH CENTRAL
TEXAS...ANY ADDITIONAL RAINFALL MAY CAUSE FLASH FLOODING OF LOW LYING
AND NORMALLY FLOOD PRONE AREAS.  PERSONS IN OR NEAR THESE AREAS SHOULD
REMAIN ALERT FOR THE POSSIBILITY OF RAPIDLY RISING WATERS AND BE
PREPARED TO SEEK HIGHER GROUND IF FLASH FLOODING IS OBSERVED OR A
WARNING IS ISSUED.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL iRADIO OR T.V. STATIONS
FOR ADDITIONAL STATEMENTS THAT WILL BE ISSUED AS CONDITIONS WARRANT.06
Special weather statement, May 2, 7:22 PM CDT, 1 hour 30 minutes before
TXZ031-037-030215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
718 PM CDT WED MAY 2 1990

...A FLASH FLOOD WATCH IS IN EFFECT FOR TONIGHT...

AT 710 PM CDT WACO WEATHER RADAR SHOWED NUMEROUS LIGHT TO MODERATE
SHOWERS AND A FEW STRONG TO VERY STRONG THUNDERSTORMS WITH VERY HEAVY
RAIN IN AN AREA FROM NORTH OF FORT WORTH TO GRANBURY TO HAMILTON TO
SOUTHEAST OF SAN SABA.  THE VERY STRONG THUNDERSTORMS WERE NOTED IN
THE HOOD/SOMMERVILLE/HAMILTON COUNTY AREA...AND MAY AFFECT THE BOSQUE/
CORYELL COUNTY AREA IN THE NEXT HOUR OR SO.  THESE VERY STRONG THUNDER
ARE CAPABLE OF PRODUCING DANGEROUS LIGHTNING...GUSTY WINDS...HAIL AND
VERY HEAVY RAIN.  FLASH FLOODING OF LOW LYING AND NORMALLY FLOOD PRONE
AREAS IS LIKELY WITH THE PASSAGE OF THESE STORMS.  OTHER LIGHT TO
MODERATE SHOWERS AND ISOLATED THUNDERSTORMS WERE ALSO OCCURRING IN
PARTS OF HILL...LIMESTONE...FALLS...BELL...MCLENNAN...ROBERTSON...AND
LEON COUNTIES.  MOVEMENT OF ALL THE PRECIPITATION WAS NORTHEAST AT 30
MPH.

PERSONS IN CORYELL...AND BOSQUE COUNTIES SHOULD REMAIN ALERT FOR THE
POSSIBILITY OF SEVERE WEATHER AS THESE STORMS PASS THROUGH DURING THE
NEXT HOUR.  DUE TO THE ALREADY RAINSOAKED GROUND IN CENTRAL AND SOUTH
CENTRAL TEXAS...ADDITIONAL HEAVY RAINS WILL CAUSE WATER IN CREEKS AND
STREAMS TO RISE RAPIDLY...BE PREPARED TO SEEK HIGHER GROUND IF FLASH
FLOODING IS OBSERVED OR A WARNING IS ISSUED.
Special weather statement, May 2, 8:26 PM CDT, 26 minutes before
TXZ031-037-030330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
821 PM CDT WED MAY 2 1990

...A FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT...

AT 815 PM CDT WACO WEATHER RADAR SHOWED NUMEROUS LIGHT TO MODERATE
SHOWERS AND SCATTERED STRONG TO VERY STRONG THUNDERSTORMS IN AN AREA
FROM NORTH OF DALLAS/FORT WORTH TO JUST NORTHEAST OF HAMILTON.  A
VERY STRONG THUNDERSTORM WITH VERY HEAVY RAIN WAS OCCURRING IN THE
NORTHERN PART OF BOSQUE COUNTY 7 MILES SOUTHWEST OF WALNUT SPRINGS.
ANOTHER VERY STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WAS OCCURRING
IN NORTHERN FALLS COUNTY 5 MILES NORTH OF MARLIN.  OTHER LIGHT TO
MODERATE SHOWERS AND ISOLATED THUNDERSTORMS WERE NOTED IN PARTS OF
BELL...LIMESTONE...MCLENNAN AND FALLS COUNTIES.  MOVEMENT OF ALL THE
PRECIPITATION WAS NORTHEAST AT 30 MPH.

THE STRONGER STROMS ARE CAPABLE OF PRODUCING DANGEROUS LIGHTNING...
HAIL...GUSTY WINDS...AND FLASH FLOODING OF LOW LYING AND NORMALLY
FLOOD PRONE AREAS.  PERSONS IN THE PATH OF THESE STRONG STORMS SHOULD
REMAIN ALERT FOR THE POSSIBILITY OF SEVERE WEATHER FORMATION AND BE
PREPARED TO SEEK SHELTER IF SEVERE WEATHER IS SIGHTED OR A WARNING IS
ISSUED.

STAY TUNED TO NOAA WEATHER ~RADIO FOR LATER STATEMENTS.06

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 7:00 PM CDTSevere Thunderstorm WarningFWDHood60 min
May 2, 7:21 PM CDTFlash Flood WarningFWDArcher, Clay, Jack, Montague, Young4 hr
May 2, 7:21 PM CDTFlash Flood WarningFWDWichita4 hr
May 2, 7:26 PM CDTFlash Flood WarningFWDErath, Hamilton4 hr
May 2, 7:26 PM CDTFlash Flood WarningFWDHood, Somervell4 hr
May 2, 7:33 PM CDTFlash Flood WarningFWDJohnson, Tarrant4 hr
May 2, 7:41 PM CDTTornado WarningFWDTarrant64 min
May 2, 7:46 PM CDTFlash Flood WarningFWDDenton4 hr
May 2, 9:06 PM CDTFlash Flood WarningFWDTaylor3 hr
May 2, 9:59 PM CDTFlash Flood WarningFWDDallas4 hr
May 2, 10:05 PM CDTFlash Flood WarningFWDStephens115 min
May 2, 10:12 PM CDTFlash Flood WarningFWDComanche4 hr
May 2, 10:28 PM CDTSevere Thunderstorm WarningFWDCollin62 min
May 2, 10:40 PM CDTSevere Thunderstorm WarningFWDBosque65 min
May 2, 10:41 PM CDTFlash Flood WarningFWDArcher, Clay, Jack, Montague, Young4 hr
May 2, 10:41 PM CDTFlash Flood WarningFWDWichita4 hr
May 2, 10:52 PM CDTSevere Thunderstorm WarningFWDFannin68 min
May 2, 10:55 PM CDTSevere Thunderstorm WarningFWDJohnson, Somervell65 min
May 2, 11:16 PM CDTSevere Thunderstorm WarningFWDHill59 min
May 2, 11:29 PM CDTFlash Flood WarningFWDHamilton4 hr
May 2, 11:29 PM CDTFlash Flood WarningFWDJohnson, Tarrant4 hr
May 2, 11:31 PM CDTFlash Flood WarningFWDHill3 hr
May 2, 11:34 PM CDTSevere Thunderstorm WarningFWDEllis56 min
May 2, 11:45 PM CDTSevere Thunderstorm WarningFWDCoryell60 min
May 2, 11:46 PM CDTFlash Flood WarningFWDEllis4 hr
May 2, 11:51 PM CDTFlash Flood WarningFWDLamar69 min
May 3, 12:10 AM CDTSevere Thunderstorm WarningFWDMcLennan65 min
May 3, 12:17 AM CDTSevere Thunderstorm WarningFWDDallas, Kaufman43 min
May 3, 12:26 AM CDTFlash Flood WarningFWDKaufman, Rockwall3 hr
May 3, 12:35 AM CDTFlash Flood WarningFWDMcLennan3 hr
May 3, 1:00 AM CDTSevere Thunderstorm WarningFWDBell60 min
May 3, 1:20 AM CDTFlash Flood WarningFWDDelta, Fannin3 hr
May 3, 1:20 AM CDTFlash Flood WarningFWDHopkins3 hr
May 3, 1:35 AM CDTSevere Thunderstorm WarningFWDMcLennan55 min
May 3, 2:00 AM CDTTornado WarningFWDLamar45 min
May 3, 2:10 AM CDTFlash Flood WarningFWDCoryell4 hr
May 3, 2:14 AM CDTFlash Flood WarningFWDBell4 hr
May 3, 2:43 AM CDTFlash Flood WarningFWDHill, McLennan4 hr
May 3, 2:53 AM CDTFlash Flood WarningFWDRed River3 hr
May 3, 3:42 AM CDTFlash Flood WarningFWDBosque3 hr
May 3, 3:43 AM CDTFlash Flood WarningFWDGrayson6 hr
May 3, 4:12 AM CDTFlash Flood WarningFWDKaufman6 hr
May 3, 4:12 AM CDTFlash Flood WarningFWDFannin6 hr
May 3, 4:12 AM CDTFlash Flood WarningFWDHopkins6 hr
May 3, 5:49 AM CDTFlash Flood WarningFWDHunt, Rains4 hr
May 3, 5:49 AM CDTFlash Flood WarningFWDRed River4 hr
May 3, 6:18 AM CDTFlash Flood WarningFWDBosque, Coryell, Hill, McLennan3 hr
May 3, 6:18 AM CDTFlash Flood WarningFWDBell3 hr
May 3, 7:24 AM CDTFlash Flood WarningFWDFreestone4 hr
May 3, 9:03 AM CDTFlash Flood WarningFWDDallas, Ellis4 hr
May 3, 9:32 AM CDTFlash Flood WarningFWDNavarro4 hr
May 3, 10:19 AM CDTFlash Flood WarningFWDFannin, Hunt4 hr
May 3, 10:19 AM CDTFlash Flood WarningFWDKaufman4 hr
May 3, 2:54 PM CDTFlash Flood WarningFWDHopkins, Wood4 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.