Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 14, NWS Fort Worth, TX

June 7, 20214 counties in Texas

NWS Fort Worth, TX issued this flash flood warning at Jun 7, 2021, 11:18 AM CDT for 4 counties in Texas. It was in force for 3 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 7, 2021, 11:18 AM CDT (16:18 UTC)
Expired
Jun 7, 2021, 2:15 PM CDT
In force
3 hr
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Flood severity
None

Counties Collin County, TX, Dallas County, TX, Denton County, TX, Tarrant County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 59 km from the middle of the area, began a volume at 16:19 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.

What was reported inside it

TimeReportWhereRemark
Jun 7, 11:44 AM CDTFLASH FLOOD2 Nne Garland, TXCLOSED FLOODGATES ON NAAMAN SCHOOL ROAD BETWEEN TWO SECTIONS OF BRAND ROAD AND MILES ROAD, BETWEEN PLEASANT VALLEY AND CASTLE.
Jun 7, 11:53 AM CDTFLASH FLOOD2 E Richardson, TXCLOSED FLOODGATES ON CAMPBELL RD AT ROWLETT CREEK.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 4.3 hours before the alert went out and 41 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 2021-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1851 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 2021-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
1851 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
635 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

614 
WGUS54 KFWD 071618
FFWFWD
TXC085-113-121-439-071915-
/O.NEW.KFWD.FF.W.0014.210607T1618Z-210607T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Fort Worth TX
1118 AM CDT Mon Jun 7 2021

The National Weather Service in Fort Worth has issued a

* Flash Flood Warning for...
  Southwestern Collin County in north central Texas...
  Northern Dallas County in north central Texas...
  Southeastern Denton County in north central Texas...
  Northeastern Tarrant County in north central Texas...

* Until 215 PM CDT.

* At 1118 AM CDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  1 and 3 inches of rain have fallen. Some locations across northern 
  Dallas County have received rainfall totals over 1 inch in the 
  last hour.  Additional rainfall amounts of 1 to 2 inches are 
  possible. Flash flooding is ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar and automated gauges.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets, and underpasses as well as other
           poor drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Dallas, Fort Worth, Arlington, Plano, Garland, Irving, Grand 
  Prairie, Mesquite, Carrollton, Frisco, Richardson, Lewisville, 
  Allen, Flower Mound, Rowlett, Euless, Bedford, Grapevine, Wylie 
  and Coppell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3311 9716 3312 9674 3311 9652 3280 9652
      3279 9668 3279 9713 3294 9718

FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL...1 INCH IN 1 HOUR

$$

Sanchez
2 follow-up statements
275 
WGUS74 KFWD 071655
FFSFWD

Flash Flood Statement
National Weather Service Fort Worth TX
1155 AM CDT Mon Jun 7 2021

TXC085-113-121-439-071915-
/O.CON.KFWD.FF.W.0014.000000T0000Z-210607T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Collin TX-Dallas TX-Denton TX-Tarrant TX-
1155 AM CDT Mon Jun 7 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM CDT THIS 
AFTERNOON FOR SOUTHWESTERN COLLIN, NORTHERN DALLAS, SOUTHEASTERN 
DENTON AND NORTHEASTERN TARRANT COUNTIES...

At 1155 AM CDT, local law enforcement officials were closing roads 
Naaman School Road between Brand and Miles Road. Campbell Road near 
Rowlett Creek is also being closed. Radar indicates that between 1 
and 3 inches of rain have fallen. The expected rainfall rate is 1 
inch in 1 hour. Additional rainfall amounts of 1 to 2 inches are 
possible. Flash flooding is highly probable...especially across 
northern Dallas and southern Collin counties.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Law enforcement reported.

IMPACT...Flooding of small creeks and streams, urban areas,
         highways, streets, and underpasses as well as other poor
         drainage and low lying areas.

Some locations that will experience flash flooding include...
  Dallas, Fort Worth, Arlington, Plano, Garland, Irving, Grand 
  Prairie, Mesquite, Carrollton, Frisco, Richardson, Lewisville, 
  Allen, Flower Mound, Rowlett, Euless, Bedford, Grapevine, Wylie 
  and Coppell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3311 9716 3312 9674 3311 9652 3280 9652
      3279 9668 3279 9713 3294 9718

FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...1 INCH IN 1 HOUR

$$

Bain
730 
WGUS74 KFWD 071912
FFSFWD

Flash Flood Statement
National Weather Service Fort Worth TX
212 PM CDT Mon Jun 7 2021

TXC085-113-121-439-071922-
/O.EXP.KFWD.FF.W.0014.000000T0000Z-210607T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Collin TX-Dallas TX-Denton TX-Tarrant TX-
212 PM CDT Mon Jun 7 2021

...FLASH FLOOD WARNING AT 215 PM CDT THIS AFTERNOON FOR SOUTHWESTERN 
COLLIN, NORTHERN DALLAS, SOUTHEASTERN DENTON AND NORTHEASTERN 
TARRANT COUNTIES HAS BEEN REPLACED WITH A FLOOD WARNING...

LAT...LON 3311 9716 3312 9674 3311 9652 3280 9652
      3279 9668 3279 9713 3294 9718

$$

Bonnette

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 4:51 AM CDTSpecial Weather StatementFWDJack39 min
Jun 7, 5:46 AM CDTSpecial Weather StatementFWDMontague44 min
Jun 7, 6:18 AM CDTSpecial Weather StatementFWDJack, Palo Pinto, Stephens, Young57 min
Jun 7, 6:54 AM CDTAreal Flood AdvisoryFWDPalo Pinto, Stephens, Young3 hr
Jun 7, 7:59 AM CDTSpecial Weather StatementFWDParker31 min
Jun 7, 8:07 AM CDTSpecial Weather StatementFWDEastland23 min
Jun 7, 8:20 AM CDTAreal Flood AdvisoryFWDPalo Pinto3 hr
Jun 7, 8:34 AM CDTSpecial Weather StatementFWDEastland26 min
Jun 7, 8:54 AM CDTAreal Flood AdvisoryFWDEastland3 hr
Jun 7, 9:23 AM CDTSpecial Weather StatementFWDJohnson37 min
Jun 7, 9:46 AM CDTAreal Flood AdvisoryFWDCollin, Denton3 hr
Jun 7, 10:01 AM CDTSpecial Weather StatementFWDHill29 min
Jun 7, 10:25 AM CDTAreal Flood AdvisoryFWDDallas, Tarrant5 hr
Jun 7, 10:32 AM CDTRiver Flood WarningFWDStephens28 hr
Jun 7, 10:37 AM CDTAreal Flood AdvisoryFWDBosque, Erath, Hamilton, Hill, Johnson, Somervell3 hr
Jun 7, 10:44 AM CDTSpecial Weather StatementFWDHamilton31 min
Jun 7, 11:31 AM CDTSpecial Weather StatementFWDHenderson, Van Zandt29 min
Jun 7, 11:49 AM CDTAreal Flood AdvisoryFWDFannin, Hunt3 hr
Jun 7, 11:57 AM CDTAreal Flood AdvisoryFWDFalls, Freestone, Limestone5 hr
Jun 7, 12:00 PM CDTSpecial Weather StatementFWDAnderson, Freestone, Henderson, Van Zandt45 min
Jun 7, 12:01 PM CDTRiver Flood WarningFWDPalo Pinto33 hr
Jun 7, 12:34 PM CDTRiver Flood WarningFWDDallas15 hr
Jun 7, 12:38 PM CDTRiver Flood WarningFWDDallas14 hr
Jun 7, 12:45 PM CDTAreal Flood AdvisoryFWDDelta, Hopkins, Lamar3 hr
Jun 7, 12:55 PM CDTFlash Flood WarningFWDFreestone, Leon, Limestone, Robertson3 hr
Jun 7, 1:07 PM CDTAreal Flood AdvisoryFWDCollin, Denton83 min
Jun 7, 1:45 PM CDTAreal Flood AdvisoryFWDLeon, Robertson3 hr
Jun 7, 1:49 PM CDTAreal Flood AdvisoryFWDMcLennan3 hr
Jun 7, 2:12 PM CDTAreal Flood WarningFWDCollin, Dallas, Denton, Tarrant3 hr
Jun 7, 2:12 PM CDTRiver Flood WarningFWDCollin24 hr
Jun 7, 2:12 PM CDTRiver Flood WarningFWDComanche, Erath4 days
Jun 7, 2:12 PM CDTRiver Flood WarningFWDDallas, Denton22 hr
Jun 7, 2:12 PM CDTRiver Flood WarningFWDDallas60 hr
Jun 7, 2:12 PM CDTRiver Flood WarningFWDLimestone46 hr
Jun 7, 2:12 PM CDTRiver Flood WarningFWDHenderson, Navarro11 days
Jun 7, 2:18 PM CDTRiver Flood WarningFWDHood, Parker21 days
Jun 7, 2:26 PM CDTSpecial Weather StatementFWDFalls34 min
Jun 7, 3:34 PM CDTFlash Flood WarningFWDFalls, Limestone, McLennan2 hr
Jun 7, 3:37 PM CDTSpecial Weather StatementFWDFalls23 min
Jun 7, 6:57 PM CDTRiver Flood WarningFWDDelta, Lamar24 hr

Nearby

Flash Flood Warnings in Texas, 2021Every flash flood warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.