Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 101, NWS Fort Worth, TX

November 7, 2016Dallas County, Texas

NWS Fort Worth, TX issued this flash flood warning at Nov 7, 2016, 9:08 PM CST for Dallas County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Nov 7, 2016, 9:08 PM CST (03:08 UTC)
Expired
Nov 8, 2016, 12:00 AM CST
In force
3 hr
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Flood severity
None

County Dallas County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 66 km from the middle of the area, began a volume at 03:10 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, 3.1 hours before the alert went out and 57 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 2016-11-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1033 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 00:00Z on 2016-11-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.193958Sfc1 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
1033 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
522 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

991 
WGUS54 KFWD 080308
FFWFWD
TXC113-080600-
/O.NEW.KFWD.FF.W.0101.161108T0308Z-161108T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
908 PM CST MON NOV 7 2016

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL DALLAS COUNTY IN NORTH CENTRAL TEXAS...

* UNTIL MIDNIGHT CST

* AT 907 PM CST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. ONE TO OVER 4 INCHES OF RAIN
  HAS ALREADY FALLEN ACROSS PARTS OF NORTHERN DALLAS COUNTY. THIS
  RAINFALL WILL LEAD TO EXCESSIVE WATER RUNOFF AND CAUSE FLASH
  FLOODING. LOW-LYING AREAS ARE MOST VULNERABLE TO RAPIDLY RISING
  WATER. SOME LOW-WATER CROSSINGS MAY FLOOD AND BECOME IMPASSABLE.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  DALLAS...GARLAND...IRVING...MESQUITE...CARROLLTON...RICHARDSON...
  ROWLETT...WYLIE...COPPELL...DUNCANVILLE...FARMERS BRANCH...BALCH
  SPRINGS...UNIVERSITY PARK...SACHSE...SEAGOVILLE...ADDISON...
  HIGHLAND PARK...HUTCHINS...COCKRELL HILL AND SUNNYVALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3298 9652 3269 9652 3264 9691 3299 9696

$$

58
2 follow-up statements
398 
WGUS74 KFWD 080402
FFSFWD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1002 PM CST MON NOV 7 2016

TXC113-080600-
/O.CON.KFWD.FF.W.0101.000000T0000Z-161108T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DALLAS TX-
1002 PM CST MON NOV 7 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST FOR
NORTHERN DALLAS COUNTY...

AT 1001 PM CST...DOPPLER RADAR INDICATED THUNDERSTORMS THAT WERE
PRODUCING HEAVY RAIN HAVE WEAKEND. HOWEVER...EXCESSIVE WATER RUNOFF
FROM THE EARLIER HEAVY RAIN WILL CONTINUE TO CAUSE FLASH FLOODING.
LOW-LYING AREAS ARE MOST VULNERABLE TO RAPIDLY RISING WATER. SOME
LOW-WATER CROSSINGS MAY FLOOD AND BECOME IMPASSABLE.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DALLAS...GARLAND...IRVING...MESQUITE...CARROLLTON...RICHARDSON...
ROWLETT...WYLIE...COPPELL...DUNCANVILLE...FARMERS BRANCH...BALCH
SPRINGS...UNIVERSITY PARK...SACHSE...SEAGOVILLE...ADDISON...HIGHLAND
PARK...COCKRELL HILL...SUNNYVALE AND BUCKINGHAM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3298 9652 3269 9652 3267 9691 3299 9696

$$

58
706 
WGUS74 KFWD 080555
FFSFWD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1155 PM CST MON NOV 7 2016

TXC113-080603-
/O.EXP.KFWD.FF.W.0101.000000T0000Z-161108T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DALLAS TX-
1155 PM CST MON NOV 7 2016

...THE FLASH FLOOD WARNING FOR NORTHERN DALLAS COUNTY WILL EXPIRE AT
MIDNIGHT CST...

NO ADDITIONAL FLOODING IS EXPECTED BUT SEVERAL ROADWAYS WILL REMAIN
FLOODED. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3298 9652 3269 9652 3267 9691 3299 9696

$$

58

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 7, 6:56 PM CSTFlash Flood WarningFWDCollin, Dallas, Denton, Tarrant3 hr
Nov 7, 7:28 PM CSTAreal Flood WarningFWDBell, Coryell, McLennan3 hr
Nov 7, 8:31 PM CSTRiver Flood WarningFWDDallas17 hr
Nov 7, 8:43 PM CSTAreal Flood AdvisoryFWDEastland3 hr
Nov 7, 8:54 PM CSTAreal Flood AdvisoryFWDDallas3 hr
Nov 7, 10:07 PM CSTAreal Flood AdvisoryFWDPalo Pinto3 hr
Nov 7, 10:29 PM CSTAreal Flood WarningFWDBell, Coryell3 hr
Nov 7, 11:37 PM CSTAreal Flood AdvisoryFWDErath3 hr
Nov 7, 11:56 PM CSTAreal Flood WarningFWDDallas3 hr
Nov 8, 12:25 AM CSTAreal Flood AdvisoryFWDBell, Coryell3 hr
Nov 8, 1:10 AM CSTAreal Flood AdvisoryFWDErath, Hood, Parker, Somervell3 hr
Nov 8, 2:34 AM CSTAreal Flood AdvisoryFWDBosque, Comanche, Erath, Hamilton3 hr
Nov 8, 6:09 AM CSTAreal Flood AdvisoryFWDBosque, Coryell, McLennan3 hr
Nov 8, 8:56 AM CSTAreal Flood AdvisoryFWDCollin, Hunt, Rockwall3 hr

Nearby

Flash Flood Warnings in Texas, 2016Every flash flood warning in 2016

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.