Alert archive / Texas / Flash Flood Warnings in 2012

Flash Flood Warning 21, NWS Fort Worth, TX

June 6, 2012Freestone County, Texas

NWS Fort Worth, TX issued this flash flood warning at Jun 6, 2012, 8:37 PM CDT for Freestone 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
Jun 6, 2012, 8:37 PM CDT (01:37 UTC)
Expired
Jun 6, 2012, 11:30 PM CDT
In force
3 hr
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Flood severity
None

County Freestone County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 152 km from the middle of the area, began a volume at 01:37 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

Shreveport, LA (KSHV), launched 00:00Z, 1.6 hours before the alert went out and 227 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, Shreveport, LA at 00:00Z on 2012-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Shreveport, LA at 00:00Z on 2012-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2040 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
58 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.

003 
WGUS54 KFWD 070137
FFWFWD
TXC161-070430-
/O.NEW.KFWD.FF.W.0021.120607T0137Z-120607T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
837 PM CDT WED JUN 6 2012

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

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

* UNTIL 1130 PM CDT

* AT 835 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED AN
  AREA OF HEAVY RAIN 6 MILES SOUTH OF TEAGUE...MOVING NORTHEAST AT 10
  MPH. RADAR INDICATES THAT UP TO 4 INCHES OF RAIN HAVE ALREADY      
  FALLEN IN BETWEEN FAIRFIELD AND TEAGUE...AND ADDITIONAL HEAVY      
  RAINFALL WILL RESULT IN FLASH FLOODING THROUGH 1130 PM CDT.

* LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN          
  INCLUDE...TEAGUE...FAIRFIELD AND FAIRFIELD LAKE STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
FLOOD WATERS MAY RISE RAPIDLY IN CREEKS OR STREAMS AND OTHER LOW
LYING AREAS. CAMPING NEAR STREAMS AND CREEKS MAY BECOME DANGEROUS. IF
RISING FLOOD WATERS ARE OBSERVED...ACT QUICKLY AND MOVE TO HIGHER
GROUND. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATER BY FOOT...YOU
MAY BE SWEPT AWAY BY THE STRONG CURRENT.

&&

LAT...LON 3141 9623 3179 9650 3201 9606 3195 9606
      3195 9603 3191 9600 3188 9603 3187 9597
      3185 9599 3179 9599 3177 9588 3174 9585
      3170 9588 3167 9580 3169 9579 3162 9579

$$


CAVANAUGH
2 follow-up statements
858 
WGUS74 KFWD 070239
FFSFWD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
939 PM CDT WED JUN 6 2012

TXC161-070430-
/O.CON.KFWD.FF.W.0021.000000T0000Z-120607T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREESTONE TX-
939 PM CDT WED JUN 6 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR
FREESTONE COUNTY...

AT 937 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED AN
AREA OF HEAVY RAIN 13 MILES SOUTHEAST OF TEAGUE. THE STORM PRODUCING 
THE HEAVY RAINFALL WAS MOVING EAST. VERY HEAVY RAINS HAVE ALREADY 
OCCURRED ACROSS THE WARNED AREA...AND ADDITIONAL MODERATE TO HEAVY 
RAINFALL COULD RESULT IN FLASH FLOODING THROUGH 1130 PM CDT.

SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN 
INCLUDE FAIRFIELD LAKE STATE PARK....TEAGUE AND FAIRFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLASH FLOODS. IT IS VERY DIFFICULT AT NIGHT TO TELL HOW
MUCH WATER IS ON THE ROADS OR IF THE ROAD HAS BEEN DAMAGED OR WASHED
AWAY. TAKE A DIFFERENT ROUTE TO REACH YOUR DESTINATION OR WAIT UNTIL
WATER RECEDES.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
FLOOD WATERS MAY RISE RAPIDLY IN CREEKS OR STREAMS AND OTHER LOW
LYING AREAS. CAMPING NEAR STREAMS AND CREEKS MAY BECOME DANGEROUS. IF
RISING FLOOD WATERS ARE OBSERVED...ACT QUICKLY AND MOVE TO HIGHER
GROUND. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATER BY FOOT...YOU
MAY BE SWEPT AWAY BY THE STRONG CURRENT.

&&

LAT...LON 3141 9623 3179 9650 3201 9606 3195 9606
      3195 9603 3191 9600 3188 9603 3187 9597
      3185 9599 3179 9599 3177 9588 3174 9585
      3170 9588 3167 9580 3169 9579 3162 9579

$$


82/JLD
776 
WGUS74 KFWD 070438
FFSFWD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1138 PM CDT WED JUN 6 2012

TXC161-070447-
/O.EXP.KFWD.FF.W.0021.000000T0000Z-120607T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREESTONE TX-
1138 PM CDT WED JUN 6 2012

...THE FLASH FLOOD WARNING FOR FREESTONE COUNTY EXPIRED AT 1130 PM
CDT...

THE HEAVY RAINFALL HAS ENDED ACROSS THE WARNED AREA...THEREFORE THE 
FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. ADDITIONAL STORMS 
WILL MOVE INTO THE COUNTY LATER TONIGHT AND THEY WILL BE CLOSELY 
MONITORED FOR POSSIBLE NEW ADVISORIES OR WARNINGS.

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

LAT...LON 3141 9623 3179 9650 3201 9606 3195 9606
      3195 9603 3191 9600 3188 9603 3187 9597
      3185 9599 3179 9599 3177 9588 3174 9585
      3170 9588 3167 9580 3169 9579 3162 9579

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 7:00 PM CDTSpecial Weather StatementFWDRockwall30 min
Jun 6, 7:12 PM CDTSpecial Weather StatementFWDDelta, Hopkins33 min
Jun 6, 7:20 PM CDTSpecial Weather StatementFWDNavarro25 min
Jun 6, 7:29 PM CDTSpecial Weather StatementFWDRains, Van Zandt61 min
Jun 6, 7:43 PM CDTSpecial Weather StatementFWDFreestone32 min
Jun 6, 7:50 PM CDTSevere Thunderstorm WarningFWDVan Zandt40 min
Jun 6, 8:29 PM CDTSpecial Weather StatementFWDLimestone31 min
Jun 6, 9:09 PM CDTAreal Flood AdvisoryFWDAnderson3 hr
Jun 6, 9:52 PM CDTSpecial Weather StatementFWDBosque23 min
Jun 6, 10:50 PM CDTSpecial Weather StatementFWDHill25 min

Nearby

Flash Flood Warnings in Texas, 2012Every flash flood warning in 2012

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.