Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 72, NWS Fort Worth, TX

October 5, 1998Johnson County, Tarrant County, Texas

NWS Fort Worth, TX issued this flash flood warning at Oct 5, 1998, 4:53 PM CDT for Johnson County, Tarrant 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Oct 5, 1998, 4:53 PM CDT (21:53 UTC)
Expired: Oct 5, 1998, 7:00 PM CDT
In force: 2 hr
Issued by: NWS Fort Worth, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Johnson County, TX, Tarrant County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 15 km from the middle of the area, began a volume at 21:52 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, 9.9 hours before the alert went out and 16 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2857 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 752 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 215 m²/s²
0-3 km storm-relative helicity: 270 m²/s²
Significant tornado parameter: 2.5
Supercell composite: 21.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 052153
FFWFTW
TXC251-439-060045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
453 PM CDT MON OCT 5 1998

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

   * FLASH FLOOD WARNING FOR
     TARRANT COUNTY IN TEXAS
     JOHNSON COUNTY IN TEXAS


   * UNTIL 700 PM CDT

   * AT 453 PM CDT WEATHER SERVICE DOPPLER RADAR DETECTED VERY HEAVY
     RAIN BETWEEN GODLEY...BENBROOK...FORT WORTH...MANSFIELD AND BURLESON
     MOVING NORTHEAST AT 30 MILES PER HOUR.

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS
BRIDGES...DIPS...OR OTHER 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 HIGER GROUND.

LAT...LON 3300 9753 3221 9759 3230 9711 3298 9702

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, Oct 5, 1:10 PM CDT, 3 hours 43 minutes before

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-060200-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
110 PM CDT MON OCT 5 1998

...PARTICULARLY DANGEROUS SEVERE WEATHER EVENT IS POSSIBLE ACROSS
NORTH TEXAS THIS AFTERNOON...MAINLY IN THE CENTRAL AND EASTERN
SECTIONS LATE THIS AFTERNOON AND EVENING...

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS...THIS AFTERNOON AND
EVENING...MAINLY EAST OF A GAINESVILLE TO WACO LINE.  THE MODERATE
RISK INCLUDES DALLAS-FORT WORTH...WACO...DENTON...GREENVILLE...
CORSICANA...AND WAXAHACHIE. SURROUNDING THE MODERATE RISK..THERE IS A
SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE REMAINDER OF NORTH
TEXAS.

LARGE HAIL...VERY DAMAGING WINDS...AND ISOLATED TORNADOES ARE THE
MAIN THREATS WITHIN THE RISK AREAS. MOREOVER...FLASH FLOODING MAY
OCCUR THIS AFTERNOON AND TONIGHT MAINLY EAST OF A GAINESVILLE-
MERIDIAN LINE AND NORTH OF A MERIDIAN-CORSICANA-CARTHAGE LINE. A
FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR THIS AREA.

A VERY MOIST AND UNSTABLE AIRMASS WILL REMAIN IN PLACE ACROSS NORTH
TEXAS FOR THE REMAINDER OF THE AFTERNOON.  THESE CONDITIONS COUPLED
WITH A COLD FRONT MOVING SOUTHEAST ACROSS THE AREA AND AN EASTWARD
MOVING DRY LINE WILL PRODUCE THUNDERSTORM DEVELOPMENT THROUGHOUT THE
AFTERNOON.  THUNDERSTORMS SHOULD BECOME MORE NUMEROUS AHEAD OF THE
FRONT AND FORM A SQUALL LINE BY LATE THIS AFTERNOON.  THE MAIN THREAT
WITH THESE STORMS WILL BE HAIL AND HIGH WINDS.  ISOLATED
THUNDERSTORMS THAT DEVELOP NEAR AND EAST OF THE SQUALL LINE WILL BE
CAPEABLE OF PRODUCING A TORNADO.

EMERGENCY MANAGERS AND STORM SPOTTERS SHOULD CHECK THEIR SCHEDULES
AND BE PREPARED FOR ACTIVATION THIS AFTERNOON AND EVENING.

79

THIS PRODUCT IS ALSO AVAILABLE ON OUR INTERNET WEB PAGE AT
http://www.srh.noaa.gov/fwd/

Special weather statement, Oct 5, 1:10 PM CDT, 3 hours 43 minutes before

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-060200-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
110 PM CDT MON OCT 5 1998

...PARTICULARLY DANGEROUS SEVERE WEATHER EVENT IS POSSIBLE ACROSS
NORTH TEXAS THIS AFTERNOON...MAINLY IN THE CENTRAL AND EASTERN
SECTIONS LATE THIS AFTERNOON AND EVENING...

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS...THIS AFTERNOON AND
EVENING...MAINLY EAST OF A GAINESVILLE TO WACO LINE.  THE MODERATE
RISK INCLUDES DALLAS-FORT WORTH...WACO...DENTON...GREENVILLE...
CORSICANA...AND WAXAHACHIE. SURROUNDING THE MODERATE RISK..THERE IS A
SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE REMAINDER OF NORTH
TEXAS.

LARGE HAIL...VERY DAMAGING WINDS...AND ISOLATED TORNADOES ARE THE
MAIN THREATS WITHIN THE RISK AREAS. MOREOVER...FLASH FLOODING MAY
OCCUR THIS AFTERNOON AND TONIGHT MAINLY EAST OF A GAINESVILLE-
MERIDIAN LINE AND NORTH OF A MERIDIAN-CORSICANA-CARTHAGE LINE. A
FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR THIS AREA.

A VERY MOIST AND UNSTABLE AIRMASS WILL REMAIN IN PLACE ACROSS NORTH
TEXAS FOR THE REMAINDER OF THE AFTERNOON.  THESE CONDITIONS COUPLED
WITH A COLD FRONT MOVING SOUTHEAST ACROSS THE AREA AND AN EASTWARD
MOVING DRY LINE WILL PRODUCE THUNDERSTORM DEVELOPMENT THROUGHOUT THE
AFTERNOON.  THUNDERSTORMS SHOULD BECOME MORE NUMEROUS AHEAD OF THE
FRONT AND FORM A SQUALL LINE BY LATE THIS AFTERNOON.  THE MAIN THREAT
WITH THESE STORMS WILL BE HAIL AND HIGH WINDS.  ISOLATED
THUNDERSTORMS THAT DEVELOP NEAR AND EAST OF THE SQUALL LINE WILL BE
CAPEABLE OF PRODUCING A TORNADO.

EMERGENCY MANAGERS AND STORM SPOTTERS SHOULD CHECK THEIR SCHEDULES
AND BE PREPARED FOR ACTIVATION THIS AFTERNOON AND EVENING.

79

THIS PRODUCT IS ALSO AVAILABLE ON OUR INTERNET WEB PAGE AT
http://www.srh.noaa.gov/fwd/

Special weather statement, Oct 5, 1:15 PM CDT, 3 hours 38 minutes before

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-060200-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS...CORRECTED
NATIONAL WEATHER SERVICE FORT WORTH TX
115 PM CDT MON OCT 5 1998

...PARTICULARLY DANGEROUS SEVERE WEATHER EVENT IS POSSIBLE ACROSS
NORTH TEXAS THIS AFTERNOON...MAINLY IN THE CENTRAL AND EASTERN
SECTIONS LATE THIS AFTERNOON AND EVENING...

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS...THIS AFTERNOON AND
EVENING...MAINLY EAST OF A GAINESVILLE TO WACO LINE.  THE MODERATE
RISK INCLUDES DALLAS-FORT WORTH...WACO...DENTON...GREENVILLE...
CORSICANA...AND WAXAHACHIE. SURROUNDING THE MODERATE RISK..THERE IS A
SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE REMAINDER OF NORTH
TEXAS.

LARGE HAIL...VERY DAMAGING WINDS...AND ISOLATED TORNADOES ARE THE
MAIN THREATS WITHIN THE RISK AREAS. MOREOVER...FLASH FLOODING MAY
OCCUR THIS AFTERNOON AND TONIGHT MAINLY EAST OF A GAINESVILLE-
MERIDIAN LINE AND NORTH OF A MERIDIAN-CORSICANA-CARTHAGE LINE. A
FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR THIS AREA.

A VERY MOIST AND UNSTABLE AIRMASS WILL REMAIN IN PLACE ACROSS NORTH
TEXAS FOR THE REMAINDER OF THE AFTERNOON.  THESE CONDITIONS COUPLED
WITH A COLD FRONT MOVING SOUTHEAST ACROSS THE AREA AND AN EASTWARD
MOVING DRY LINE WILL PRODUCE THUNDERSTORM DEVELOPMENT THROUGHOUT THE
AFTERNOON.  THUNDERSTORMS SHOULD BECOME MORE NUMEROUS AHEAD OF THE
FRONT AND FORM A SQUALL LINE BY LATE THIS AFTERNOON.  THE MAIN THREAT
WITH THESE STORMS WILL BE HAIL AND HIGH WINDS.  ISOLATED
THUNDERSTORMS THAT DEVELOP NEAR AND EAST OF THE SQUALL LINE WILL BE
CAPABLE OF PRODUCING A TORNADO.

EMERGENCY MANAGERS AND STORM SPOTTERS SHOULD CHECK THEIR SCHEDULES
AND BE PREPARED FOR ACTIVATION THIS AFTERNOON AND EVENING.

79

THIS PRODUCT IS ALSO AVAILABLE ON OUR INTERNET WEB PAGE AT
http://www.srh.noaa.gov/fwd/

Special weather statement, Oct 5, 1:15 PM CDT, 3 hours 38 minutes before

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-060200-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS...CORRECTED
NATIONAL WEATHER SERVICE FORT WORTH TX
115 PM CDT MON OCT 5 1998

...PARTICULARLY DANGEROUS SEVERE WEATHER EVENT IS POSSIBLE ACROSS
NORTH TEXAS THIS AFTERNOON...MAINLY IN THE CENTRAL AND EASTERN
SECTIONS LATE THIS AFTERNOON AND EVENING...

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS...THIS AFTERNOON AND
EVENING...MAINLY EAST OF A GAINESVILLE TO WACO LINE.  THE MODERATE
RISK INCLUDES DALLAS-FORT WORTH...WACO...DENTON...GREENVILLE...
CORSICANA...AND WAXAHACHIE. SURROUNDING THE MODERATE RISK..THERE IS A
SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE REMAINDER OF NORTH
TEXAS.

LARGE HAIL...VERY DAMAGING WINDS...AND ISOLATED TORNADOES ARE THE
MAIN THREATS WITHIN THE RISK AREAS. MOREOVER...FLASH FLOODING MAY
OCCUR THIS AFTERNOON AND TONIGHT MAINLY EAST OF A GAINESVILLE-
MERIDIAN LINE AND NORTH OF A MERIDIAN-CORSICANA-CARTHAGE LINE. A
FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR THIS AREA.

A VERY MOIST AND UNSTABLE AIRMASS WILL REMAIN IN PLACE ACROSS NORTH
TEXAS FOR THE REMAINDER OF THE AFTERNOON.  THESE CONDITIONS COUPLED
WITH A COLD FRONT MOVING SOUTHEAST ACROSS THE AREA AND AN EASTWARD
MOVING DRY LINE WILL PRODUCE THUNDERSTORM DEVELOPMENT THROUGHOUT THE
AFTERNOON.  THUNDERSTORMS SHOULD BECOME MORE NUMEROUS AHEAD OF THE
FRONT AND FORM A SQUALL LINE BY LATE THIS AFTERNOON.  THE MAIN THREAT
WITH THESE STORMS WILL BE HAIL AND HIGH WINDS.  ISOLATED
THUNDERSTORMS THAT DEVELOP NEAR AND EAST OF THE SQUALL LINE WILL BE
CAPABLE OF PRODUCING A TORNADO.

EMERGENCY MANAGERS AND STORM SPOTTERS SHOULD CHECK THEIR SCHEDULES
AND BE PREPARED FOR ACTIVATION THIS AFTERNOON AND EVENING.

79

THIS PRODUCT IS ALSO AVAILABLE ON OUR INTERNET WEB PAGE AT
http://www.srh.noaa.gov/fwd/

Local storm report, Oct 5, 4:49 PM CDT, 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
449 PM CDT MON OCT 05 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0315 PM    WEATHERFORD               TX   1 INCH HAIL
10/05/98   PARKER                         QUARTER SIZE HAIL REPORTED
                                          BY SPOTTERS

0319 PM    WEATHERFORD               TX   .75 INCH HAIL
10/05/98   PARKER                         DIME HAIL REPORTED BY
                                          SPOTTERS.

0440 PM    SUNSET                    TX   .75 INCH HAIL
10/05/98   MONTAGUE                       DIME HAIL REPORTED BY
                                          STORM SPOTTER

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 5, 1:20 PM CDT	Severe Thunderstorm Warning	FWD	Eastland	40 min
Oct 5, 2:45 PM CDT	Severe Thunderstorm Warning	FWD	Parker	60 min
Oct 5, 3:20 PM CDT	Severe Thunderstorm Warning	FWD	Young	55 min
Oct 5, 3:29 PM CDT	Severe Thunderstorm Warning	FWD	Tarrant	61 min
Oct 5, 4:16 PM CDT	Severe Thunderstorm Warning	FWD	Jack	59 min
Oct 5, 4:33 PM CDT	Severe Thunderstorm Warning	FWD	Montague	57 min
Oct 5, 5:32 PM CDT	Severe Thunderstorm Warning	FWD	Lamar	28 min
Oct 5, 5:35 PM CDT	Severe Thunderstorm Warning	FWD	Ellis, Kaufman	55 min
Oct 5, 6:21 PM CDT	Flash Flood Warning	FWD	Kaufman	4 hr

Nearby

Flash Flood Warnings in Texas, 1998 Every flash flood warning in 1998

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.