Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 12, NWS Fort Worth, TX

February 19, 1997Collin County, Hunt County, Texas

NWS Fort Worth, TX issued this flash flood warning at Feb 19, 1997, 4:54 PM CST for Collin County, Hunt County, Texas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 19, 1997, 4:54 PM CST (22:54 UTC)
Expired
Feb 19, 1997, 7:00 PM CST
In force
2 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties

Counties Collin County, TX, Hunt County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 112 km from the middle of the area, began a volume at 22:58 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 10.9 hours before the alert went out and 97 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, Fort Worth, TX at 12:00Z on 1997-02-19Temperature 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, Fort Worth, TX at 12:00Z on 1997-02-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 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
505 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 192254
FFWFTW
TXC085-231-200100-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
454 PM CST WED FEB 19 1997
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  700 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...COLLIN COUNTY...HUNT COUNTY
 
NUMEROUS ROADS IN PLANO AND THROUGHOUT COLLIN COUNTIES ARE FLOODED AND
IMPASSABLE. BETWEEN 2 AND 3 INCHES OF RAIN HAS FALLEN OVER COLLIN AND
HUNT COUNTIES THIS AFTERNOON...WITH NEAR 4 INCHES INDICATED BY RADAR
OVER EASTERN COLLIN COUNTY.  AN ADDITIONAL 1 TO 2 INCHES OF RAIN IS
POSSIBLE LATE THIS AFTERNOON AND EARLY THIS EVENING.
 
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.  DO NOT BECOME A FLASH FLOOD STATISTIC!
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
 
 &
&

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 19, 1:45 PM CSTFlash Flood WarningFWDDallas, Rockwall5 hr
Feb 19, 3:28 PM CSTFlash Flood WarningFWDTarrant4 hr
Feb 19, 3:28 PM CSTFlash Flood WarningFWDHood, Johnson, Parker, Somervell4 hr
Feb 19, 4:36 PM CSTFlash Flood WarningFWDErath, Hamilton2 hr

Nearby

Flash Flood Warnings in Texas, 1997Every flash flood warning in 1997

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; radar from the NEXRAD Level II archive.