Alert archive / Texas / Flash Flood Warnings in 1990

Flash Flood Warning 10, NWS Fort Worth, TX

February 1, 1990Johnson County, Texas

NWS Fort Worth, TX issued this flash flood warning at Feb 1, 1990, 5:09 AM CST for Johnson County, Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Feb 1, 1990, 5:09 AM CST (11:09 UTC)
Expired
Feb 1, 1990, 9:15 AM CST
In force
4 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Johnson 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, 11.2 hours before the alert went out and 71 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 1990-02-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1990-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 289 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
597 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
289 m²/s²
0-3 km storm-relative helicity
270 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 011111
FFWFTW
TXC251-011515-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
509 AM CST THU FEB 1 1990
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  915 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTH CENTRAL TEXAS
          ...JOHNSON
 
AT 505 AM... THUNDERSTORMS PRODUCING MODERATE TO HEAVY RAINFALL WERE
MOVING THROUGH THE COUNTY THIS MORNING. THE JOHNSON COUNTY SHERIFF'S
OFFICE REPORTED HIGH WATER ACROSS THE COUNTY WITH UP TO ONE AND A
HALF FEET OF WATER IN PARTS OF ALVAREDO.  MANY ROADS IN THE COUNTY
ALREADY HAVE SOME WATER OVER THEM AND DITCHES AND SMALL STREAMS ARE
FULL.
 
 
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, Feb 1, 2:23 AM CST, 2 hours 46 minutes before
TXZ021-022-025-026-027-031-032-011000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
225 AM CST THU FEB 01 1990

...THUNDERSTORMS DEVELOPING OVER THE WESTERN PART OF NORTH TEXAS...

AT 220 AM CST...SCATTERED SHOWERS AND THUNDERSTORMS...SOME PRODUCING
HEAVY RAIN...CONTINUED TO DEVELOP OVER THE WESTERN PART OF NORTH TEXAS
IN AN AREA THAT EXTENDED FROM NEAR JUNCTION TO ALBANY TO WICHITA FALLS.
OTHER SCATTERED SHOWERS AND THUNDERSTORMS HAD ALSO DEVELOPED IN AN
AREA THAT REACHED FROM GATESVILLE TO STEPHENVILLE...THROUGH THE DALLAS/
FORT WORTH METROPLEX...TO THE RED RIVER AROUND SHERMAN AND PARIS.
MOVEMENT WAS GENERALLY TO THE NORTHEAST AT 40 MILES AN HOUR.

THUNDERSTORMS OVER SHACKELFORD AND CALLAHAN COUNTIES WERE APPROACHING
THE WESTERN PART OF STEPHENS AND EASTLAND COUNTIES.  PERSONS IN THE
COMMUNITES OF BRECKENRIDGE AND EASTLAND CAN EXPECT SOME HEAVY RAIN...
GUSTY THUNDERSTORM WINDS...DANGEROUS LIGHTNING AND PERHAPS SOME SMALL
HAIL.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO OR TV FOR THE LATEST
WEATHER INFORMATION.
Special weather statement, Feb 1, 3:17 AM CST, 1 hour 52 minutes before
TXZ031-011030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
310 AM CST THU FEB 1 1990

...SHOWERS AND THUNDERSTORMS INCREASING ACROSS CENTRAL TEXAS...

AT 3:00 AM CST...WACO RADAR SHOWED SCATTERED SHOWERS AND THUNDERSTORMS
DEVELOPING RAPIDLY IN HILL...BOSQUE...AND PORTIONS OF CORYELL AND
MCLENNAN COUNTIES. THE STRONGEST STORM WERE LOCATED NORTHEAST OF
CLIFTON IN BOSQUE COUNTY. WITH A MOVEMENT TOWARD THE NORTHEAST AT
40 MPH...THIS WILL BRING THE STORM ACROSS LAKE WHITNEY INTO HILL
COUNTY SHORTLY. ANOTHER THUNDERSTORM WITH HEAVY RAIN WAS IN EASTERN
HAMILTON COUNTY AND MOVING TOWARD SOUTHERN BOSQUE COUNTY.

THESE THUNDERSTORMS WERE PART OF A LARGER AREA OF SHOWERS AND
THUNDERSTORMS WHICH EXTENDED ALONG A LINE FROM DALLAS...TO WACO...
TO JOHNSON CITY...AND WESTWARD BEYOND 100 MILES.
<
PERSONS IN MCLENNAN AND SURROUNDING COUNTIES SHOULD EXPECT PERIODS
<OF VERY HEAVY RAIN ALONG WITH STRONG GUSTY WINDS AND DANGEROUS
LIGHTNI'NG WITH THESE STORMS.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER WEATHER INFORMATION.
Special weather statement, Feb 1, 3:31 AM CST, 1 hour 38 minutes before
TXZ021-022-025-026-027-031-032-011000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
330 AM CST THU FEB 01 1990

...SCATTERED SHOWERS AND THUNDERSTORMS INCREASING ACROSS NORTH TEXAS...

AT 325 AM CST...SCATTERED SHOWERS AND THUNDERSTORMS...SOME PRODUCING
HEAVY RAIN...CONTINUED TO DEVELOP AND SPREAD EASTWARD ACROSS THE WESTERN
HALF OF NORTH TEXAS.  A LINE OF STRONG THUNDERSTORMS WERE JUST SOUTH
OF WICHITA FALLS AND EXTENDED FROM NEAR HENRIETTA TO BETWEEN ARCHER
CITY AND JACKSBORO...TO GRAHAM AND BRECKENRIDGE.  MOVEMENT OF ALL
PRECIPITATION WAS GENERALLY TO THE NORTHEAST AT 40 MILES AN HOUR.

THE STRONGER THUNDERSTORMS ARE CAPABLE OF PRODUCING LOCALLY HEAVY RAINS
...GUSTY :SURFACE WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING AND PERHAPS
SOME SMALL HAIL.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO OR TV FOR THE LATEST
WEATHER INFORMATION.
Special weather statement, Feb 1, 4:06 AM CST, 1 hour 3 minutes before
TXZ021-022-025-026-011500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
355 AM CST THU FEB 01 1990

...DENSE FOG ADVISORY REVISED TO INCLUDE ONLY A SMALL PART OF NORTH
TEXAS UNTIL AROUND MID MORNING...

A DENSE FOG ADVISORY IS IN EFFECT FOR THE NORTH CENTRAL PART OF NORTH
TEXAS UNTIL MID MORNING.  THE CITIES OF BRECKENRIDGE...EASTLAND...
COMANCHE...DENTON...GAINESVILLE...SHERMAN...BONHAM...PARIS...GREENVILLE
...WEATHERFORD...WAXAHACHIE AND THE DALLAS/FORT WORTH METROPLEX ARE
INCLUDED IN THE DENSE FOG ADVISORY.

A SOUTHERLY WIND FLOW FROM THE GULF OF MEXICO CONTINUED TO INCREASE
THE MOISTURE FIELD OVER THE ADVISORY AREA...AND WAS RAISING RELATIVE
HUMIDITIES TO NEAR TOTAL SATURATION.  PATCHY DENSE FOG THIS MORNING
WILL RESTRICT VISIBILITIES TO LESS THAN 1/4 MILE IN MANY SECTIONS...
AND AT TIMES...VISIBILITIES MAY EVEN REACH NEAR ZERO IN SOME PLACES.

SHOWERS...LIGHT RAIN AND DRIZZLE WILL HELP TO MAKE ROADS SLICK CAUSING
HAZARDOUS DRIVING CONDITIONS.  EARLY MORNING TRAVELERS AND COMMUTERS
MAY WANT TO LEAVE HOME A LITTLE EARLY IN CASE OF TRAFFIC DELAYS.

MOTORISTS ARE ADVISED TO ALLOW PLENTY OF SPACE BETWEEN YOU AND THE
CAR AHEAD.  TAKE ALL SAFETY PRECAUTION`S SO THAT YOU MAY REACH YOUR
DESTINATION SAFELY.

ADDITIONAL STATEMENTS WILL BE ISSUED TO KEEP YOU INFORMED OF THE
CHANGING WEATHER CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 1, 6:33 AM CSTFlash Flood WarningFWDTarrant4 hr
Feb 1, 6:55 AM CSTFlash Flood WarningFWDDallas, Ellis4 hr
Feb 1, 7:52 AM CSTFlash Flood WarningFWDFannin4 hr
Feb 1, 7:58 AM CSTFlash Flood WarningFWDCollin4 hr
Feb 1, 8:20 AM CSTSevere Thunderstorm WarningFWDBrazos40 min
Feb 1, 9:10 AM CSTFlash Flood WarningFWDDenton2 hr
Feb 1, 4:06 PM CSTSevere Thunderstorm WarningFWDHamilton54 min
Feb 1, 4:36 PM CSTSevere Thunderstorm WarningFWDCoryell69 min
Feb 1, 5:09 PM CSTSevere Thunderstorm WarningFWDBosque, McLennan66 min
Feb 1, 5:09 PM CSTSevere Thunderstorm WarningFWDBell66 min
Feb 1, 5:50 PM CSTSevere Thunderstorm WarningFWDFalls, Limestone55 min
Feb 1, 5:50 PM CSTSevere Thunderstorm WarningFWDHill55 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.