Alert archive / Texas / Flash Flood Warnings in 2006

Flash Flood Warning 13, NWS Brownsville, TX

June 20, 2006Jim Hogg County, Texas

NWS Brownsville, TX issued this flash flood warning at Jun 20, 2006, 7:37 PM CDT for Jim Hogg County, Texas. It was in force for 53 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 20, 2006, 7:37 PM CDT (00:37 UTC)
Expired
Jun 20, 2006, 8:30 PM CDT
In force
53 min
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

County Jim Hogg County, TX

The radar

The Corpus Christi radar (KCRP), 138 km from the middle of the area, began a volume at 00:39 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

Corpus Christi, TX (KCRP), launched 00:00Z, 0.6 hours before the alert went out and 152 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, Corpus Christi, TX at 00:00Z on 2006-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2541 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, Corpus Christi, TX at 00:00Z on 2006-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
2541 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
743 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
145 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.

000 
WGUS54 KBRO 210037
FFWBRO
TXC247-210130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
737 PM CDT TUE JUN 20 2006

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTH CENTRAL JIM HOGG COUNTY IN DEEP SOUTH TEXAS
  THIS INCLUDES THE CITY OF HEBBRONVILLE

* UNTIL 830 PM CDT

* AT 733 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* THE STORM PRODUCING FLASH FLOODING WILL OTHERWISE REMAIN OVER
  MAINLY RURAL AREAS OF THE INDICATED COUNTY.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

LAT...LON 2710 9893 2722 9859 2742 9856 2744 9890

$$

PHILO
2 follow-up statements
000 
WGUS74 KBRO 210112
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
808 PM CDT TUE JUN 20 2006

TXC247-210130-
JIM HOGG TX-
808 PM CDT TUE JUN 20 2006

...A FLASH FLOOD WARNING CONTINUES UNTIL 830 PM CDT FOR NORTH CENTRAL
JIM HOGG COUNTY...

AT 808 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING OVER THE WARNED 
AREA. ALTHOUGH THIS CONVECTION IS QUICKLY DISSIPATING...RAINFALL 
CONTINUES TO FALL IN THE WARNED AREA AT A RATE OF AROUND 1 INCH AN 
HOUR. RAINFALL TOTALS IN NORTHERN JIM HOGG COUNTY SHOW ESTIMATES OF 
NEARLY 7 INCHES OF RAIN RECEIVED JUST WEST OF HEBBRONVILLE. STREET 
FLOODING WAS REPORTED IN THE CITY OF HEBBRONVILLE WITH FLOODING OF 
LOW LYING AREAS AND MINOR CREEK FLOODING. THIS ADDITIONAL RAINFALL 
WILL KEEP FLASH FLOODING POSSIBLE THROUGH 8:30 PM CDT.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HEBBRONVILLE.

LAT...LON 2710 9893 2722 9859 2742 9856 2744 9890

$$

PHILO
000 
WGUS74 KBRO 210132
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
830 PM CDT TUE JUN 20 2006

TXC247-210159-
JIM HOGG TX-
830 PM CDT TUE JUN 20 2006

...THE FLASH FLOOD WARNING FOR NORTH CENTRAL JIM HOGG COUNTY EXPIRED
AT 830 PM CDT...

THUNDERSTORMS WITH HEAVY RAINFALL HAVE DECREASED OVER THE WARNED 
AREA NOW. THEREFORE...THE FLASH FLOOD WARNING FOR NORTHERN JIM HOGG 
COUNTY HAS BEEN ALLOWED TO EXPIRE AT 830 PM CDT. AN URBAN AND SMALL 
STREAM FLOOD ADVISORY CONTINUES FOR THIS AREA...AS RESIDUAL RAINS 
WILL CAUSE ROADWAY PONDING FOR THE NEXT HOUR. DRIVE WITH EXTREME 
CAUTION IN THE AREA JUST WEST OF HEBBRONVILLE AND IN THE CITY OF 
HEBBRONVILLE TONIGHT. REMEMBER...NEVER DRIVE YOUR VEHICLE INTO 
WATERS OF UNKNOWN DEPTH. TURN AROUND...DONT DROWN.

LAT...LON 2710 9893 2722 9859 2742 9856 2744 9890

$$

PHILO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 7:17 PM CDTSevere Thunderstorm WarningBROJim Hogg28 min
Jun 20, 7:27 PM CDTSevere Thunderstorm WarningBROZapata22 min

Nearby

Flash Flood Warnings in Texas, 2006Every flash flood warning in 2006

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.