Alert archive / Texas / Flash Flood Warnings in 2010

Flash Flood Warning 21, NWS Fort Worth, TX

June 2, 2010Denton County, Tarrant County, Wise County, Texas

NWS Fort Worth, TX issued this flash flood warning at Jun 2, 2010, 6:19 PM CDT for Denton County, Tarrant County, Wise County, Texas. It was in force for 116 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 2, 2010, 6:19 PM CDT (23:19 UTC)
Expired
Jun 2, 2010, 8:15 PM CDT
In force
116 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Flood severity
None

Counties Denton County, TX, Tarrant County, TX, Wise County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 51 km from the middle of the area, began a volume at 23:19 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, 11.3 hours before the alert went out and 25 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 2010-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1593 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 2010-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 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
1593 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
996 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-38 m²/s²
0-3 km storm-relative helicity
36 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.

567 
WGUS54 KFWD 022319
FFWFWD
TXC121-439-497-030115-
/O.NEW.KFWD.FF.W.0021.100602T2319Z-100603T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
619 PM CDT WED JUN 2 2010

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN DENTON COUNTY IN NORTH CENTRAL TEXAS
  NORTHWESTERN TARRANT COUNTY IN NORTH CENTRAL TEXAS
  SOUTHEASTERN WISE COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 815 PM CDT

* AT 619 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
  THUNDERSTORMS WITH HEAVY RAIN 6 MILES SOUTHWEST OF JUSTIN...MOVING
  NORTH AT 5 MPH. RADAR INDICATES THAT 2 TO 3 INCHES OF RAIN HAS
  ALREADY FALLEN. ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE THROUGH 815
  PM CDT.

* LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN   
INCLUDE...JUSTIN...NEWARK...NORTHLAKE AND CORRAL CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.

&&

LAT...LON 3294 9725 3291 9754 3299 9755 3300 9754
      3300 9755 3318 9757 3320 9717

$$


82/JLD
2 follow-up statements
935 
WGUS74 KFWD 030029
FFSFWD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
729 PM CDT WED JUN 2 2010

TXC121-439-497-030115-
/O.CON.KFWD.FF.W.0021.000000T0000Z-100603T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WISE TX-DENTON TX-TARRANT TX-
729 PM CDT WED JUN 2 2010

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR
NORTHWESTERN TARRANT...SOUTHWESTERN DENTON AND SOUTHEASTERN WISE
COUNTIES...

AT 727 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
  THUNDERSTORMS WITH HEAVY RAIN 3 MILES SOUTHEAST OF PECAN ACRES. THE
  STORM PRODUCING THE HEAVY RAINFALL WAS NEARLY STATIONARY. RADAR
  INDICATES THAT 2 TO 3 INCHES OF RAIN HAS ALREADY FALLEN. ANOTHER
  ONE INCH WILL BE POSSIBLE THROUGH 815 PM CDT.

SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN
INCLUDE ROANOKE...PECAN ACRES...NORTHLAKE...JUSTIN...HASLET...CORRAL
CITY AND AURORA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.

EXCESSIVE RUNOFF WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND
STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING
AREAS ARE SUBJECT TO FLASH FLOODING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR IS
OCCURRING. RESIDENTS LIVING ALONG STREAMS...CREEKS AND DRAINAGE
DITCHES SHOULD BE READY TO TAKE IMMEDIATE ACTION IF FLOODING IS
OBSERVED. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATER BY FOOT OR BY
AUTO...YOU MAY BE SWEPT AWAY BY THE STRONG CURRENT. IT ONLY TAKES TWO
FEET OF RUSHING WATER TO CARRY AWAY MOST SPORT UTILITY VEHICLES AND
PICKUPS. TAKE A DIFFERENT ROUTE TO REACH YOUR DESTINATION OR WAIT
UNTIL THE WATER RECEDES.

&&

LAT...LON 3294 9725 3291 9754 3299 9755 3300 9754
      3300 9755 3318 9757 3320 9717

$$
226 
WGUS74 KFWD 030117
FFSFWD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
817 PM CDT WED JUN 2 2010

TXC121-439-497-030130-
/O.EXP.KFWD.FF.W.0021.000000T0000Z-100603T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WISE TX-DENTON TX-TARRANT TX-
817 PM CDT WED JUN 2 2010

...THE FLASH FLOOD WARNING FOR NORTHWESTERN TARRANT...SOUTHWESTERN 
DENTON...AND SOUTHEASTERN WISE COUNTIES EXPIRED AT 815 PM CDT...

THE THUNDERSTORM ACTIVITY IS MOVING OUT OF THE PREVIOUSLY WARNED 
AREA. HOWEVER...VERY HEAVY RAIN FELL IN SOUTHEASTERN WISE COUNTY... 
AND THE RUNOFF MAY TAKE SOME TIME TO RECEDE. SOME LINGERING FLOODING 
ISSUES MAY CONTINUE...PARTICULARLY ALONG SWOLLEN CREEKS AND STREAMS.

MOTORISTS ARE URGED TO EXERCISE CAUTION. BE PARTICULARLY CAUTIOUS AT 
NIGHT WHEN IT IS MORE DIFFICULT TO DETERMINE THE DANGERS OF FLOODING.

TO REPORT PREVIOUS OR ONGOING FLOODING...HAVE THE NEAREST LAW 
ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE 
FORECAST OFFICE IN FORT WORTH.

LAT...LON 3294 9725 3291 9754 3299 9755 3300 9754
      3300 9755 3318 9757 3320 9717

$$


25

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 2:37 PM CDTSpecial Weather StatementFWDEastland23 min
Jun 2, 3:00 PM CDTSpecial Weather StatementFWDStephens30 min
Jun 2, 3:05 PM CDTSpecial Weather StatementFWDHood25 min
Jun 2, 3:31 PM CDTSpecial Weather StatementFWDStephens29 min
Jun 2, 4:03 PM CDTSpecial Weather StatementFWDEastland27 min
Jun 2, 4:11 PM CDTSevere Thunderstorm WarningFWDEastland64 min
Jun 2, 4:49 PM CDTSevere Thunderstorm WarningFWDComanche41 min
Jun 2, 4:52 PM CDTSpecial Weather StatementFWDWise23 min
Jun 2, 5:13 PM CDTSevere Thunderstorm WarningFWDDenton, Wise27 min
Jun 2, 5:24 PM CDTSpecial Weather StatementFWDTarrant36 min
Jun 2, 5:53 PM CDTSevere Thunderstorm WarningFWDDenton, Tarrant, Wise47 min
Jun 2, 5:57 PM CDTAreal Flood AdvisoryFWDDenton, Tarrant, Wise2 hr
Jun 2, 6:00 PM CDTSpecial Weather StatementFWDComanche60 min
Jun 2, 6:33 PM CDTSpecial Weather StatementFWDHamilton27 min
Jun 2, 6:36 PM CDTSevere Thunderstorm WarningFWDParker39 min
Jun 2, 6:42 PM CDTSpecial Weather StatementFWDLampasas, Mills63 min
Jun 2, 6:48 PM CDTSpecial Weather StatementFWDHood, Somervell27 min

Nearby

Flash Flood Warnings in Texas, 2010Every flash flood warning in 2010

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.