Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 129, NWS Fort Worth, TX

June 8, 1997Grayson County, Texas

NWS Fort Worth, TX issued this flash flood warning at Jun 8, 1997, 11:25 PM CDT for Grayson County, Texas. It was in force for 4 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
Jun 8, 1997, 11:25 PM CDT (04:25 UTC)
Expired
Jun 9, 1997, 3:30 AM CDT
In force
4 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Grayson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 131 km from the middle of the area, began a volume at 04:27 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 00:00Z, 4.4 hours before the alert went out and 105 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 00:00Z on 1997-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1501 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 00:00Z on 1997-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.1939Sfc1 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
1501 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
1088 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 090425
FFWFTW
TXC181-090830-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
1125 PM CDT SUN JUN 8 1997
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  330 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL TEXAS
 
   ...SOUTHERN GRAYSON COUNTY
 
RAINFALL AMOUNTS BETWEEN TWO AND FOUR INCHES HAVE FALLEN OVER THE
SOUTHWESTERN SECTIONS OF GRAYSON COUNTY DURING THE PAST TWO HOURS.
TRAVELLERS ALONG FM121 BETWEEN TIOGA AND GUNTER MAY EXPERIENCE WATER
FLOWING OVER OR COVERING THE ROAD...ESPECIALLY IN LOW SPOTS.
 
 
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, Jun 8, 5:33 PM CDT, 5 hours 52 minutes before
TXZ135-146>148-162-090030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
533 PM CDT SUN JUN 8 1997

EARLY THIS EVENING...THUNDERSTORMS WERE DEVELOPING BETWEEN CANTON AND
PALESTINE. THESE STORMS ARE THE RESULT OF THE COMBINATION OF DEEP
TROPICAL MOISTURE OVER THE REGION...AFTERNON HEATING...AND THE
ARRIVAL OF A WEAK DISTURBANCE IN THE UPPER ATMOSPHERE.

THESE STORMS WILL HAVE THE TENDENCY TO DEVELOP AND DISSIPATE OVER A
SHORT PERIOD OF TIME. SOME LOW HANGING CLOUDS MAY BE ASSOCIATED WITH
SOME OF THESE STORMS DUE TO THE INTERACTION OF SEVERAL WEAK
BOUNDARIES IN THE AREA. HOWEVER...DOPPLER RADAR INDICATES NO TORNADIC
CIRCULATION WITH ANY OF THESE STORMS. IN ADDITION...THE VERTICAL WIND
PROFILE OF THE ATMOSPHERE IS NOT FAVORABLE FOR THE DEVELOPMENT OF
SEVERE THUNDERSTORMS OR TORNADOES.

NATIONAL WEATHER SERVICE METEOROLOGISTS WILL CONTINUE TO MONITOR
THESE STORMS AND WILL ISSUE ADDITIONAL STATEMENTS IF CONDITIONS
REQUIRE.
Special weather statement, Jun 8, 5:35 PM CDT, 5 hours 50 minutes before
TXZ135-146>148-162-090030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
533 PM CDT SUN JUN 8 1997

EARLY THIS EVENING...THUNDERSTORMS WERE DEVELOPING BETWEEN CANTON AND
PALESTINE. THESE STORMS ARE THE RESULT OF THE COMBINATION OF DEEP
TROPICAL MOISTURE OVER THE REGION...AFTERNON HEATING...AND THE
ARRIVAL OF A WEAK DISTURBANCE IN THE UPPER ATMOSPHERE.

THESE STORMS WILL HAVE THE TENDENCY TO DEVELOP AND DISSIPATE OVER A
SHORT PERIOD OF TIME. SOME LOW HANGING CLOUDS MAY BE ASSOCIATED WITH
SOME OF THESE STORMS DUE TO THE INTERACTION OF SEVERAL WEAK
BOUNDARIES IN THE AREA. HOWEVER...DOPPLER RADAR INDICATES NO TORNADIC
CIRCULATION WITH ANY OF THESE STORMS. IN ADDITION...THE VERTICAL WIND
PROFILE OF THE ATMOSPHERE IS NOT FAVORABLE FOR THE DEVELOPMENT OF
SEVERE THUNDERSTORMS OR TORNADOES.

NATIONAL WEATHER SERVICE METEOROLOGISTS WILL CONTINUE TO MONITOR
THESE STORMS AND WILL ISSUE ADDITIONAL STATEMENTS IF CONDITIONS
REQ|UIRE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 6:50 PM CDTSevere Thunderstorm WarningFWDCooke, Montague55 min

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.