Alert archive / Texas / Flash Flood Warnings in 2007

Flash Flood Warning 430, NWS Austin/San Antonio, TX

July 27, 2007Fayette County, Lee County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 27, 2007, 12:02 PM CDT for Fayette County, Lee 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 counties it named.

The facts

Issued
Jul 27, 2007, 12:02 PM CDT (17:02 UTC)
Expired
Jul 27, 2007, 3:00 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Fayette County, TX, Lee County, TX

The radar

The Ft Hood radar (KGRK), 82 km from the middle of the area, began a volume at 17:06 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 12:00Z, 5.0 hours before the alert went out and 266 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 12:00Z on 2007-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 899 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 12:00Z on 2007-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
899 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
725 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
40 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 KEWX 271704
FFWEWX
TXC149-287-272000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1202 PM CDT FRI JUL 27 2007

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FAYETTE COUNTY IN SOUTH CENTRAL TEXAS...
  THIS INCLUDES THE CITIES OF...SCHULENBURG...LA GRANGE...FLATONIA...
  LEE COUNTY IN SOUTH CENTRAL TEXAS...
  THIS INCLUDES THE CITIES OF...LEXINGTON...GIDDINGS...

* UNTIL 300 PM CDT

* AT NOON CDT...THE NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  HEAVY RAINFALL ACROSS SOUTHERN LEE AND NORTHERN FAYETTE COUNTIES.
  DUE TO GROUNDS BEING SATURATED FROM PREVIOUS RAINS...ANY ADDITIONAL
  RAINFALL WILL BE QUICK TO RUNOFF AND MAY CAUSE FLASH FLOODING. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  TANGLEWOOD...FEDOR AND DIME BOX

WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE THROUGH FLOODED
AREAS...ESPECIALLY AT NIGHT. STAY TUNED TO NOAA WEATHER RADIO OR
LOCAL NEWS MEDIA FOR THE LATEST FLOOD INFORMATION.

LAT...LON 2964 9689 2963 9714 2979 9732 3002 9706
      3009 9703 3026 9708 3042 9731 3045 9717
      3056 9697 3033 9674 3031 9665 3017 9680
      3014 9677 3016 9670 3015 9666 2997 9658

$$
2 follow-up statements
000 
WGUS74 KEWX 271813
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
112 PM CDT FRI JUL 27 2007

TXC149-287-272000-
LEE TX-FAYETTE TX-
112 PM CDT FRI JUL 27 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
FAYETTE AND LEE COUNTIES...

AT 112 PM CDT...THE STRONGEST OF THE STORMS OVER LEE AND FAYETTE 
COUNTIES HAVE MOVED TO THE EAST. HOWEVER...ADDITIONAL DEVELOPMENT OF 
SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH THE AFTERNOON. ANY 
RAINFALL FROM THESE STORMS WILL BE QUICK TO RUNOFF AND MAY CAUSE 
FLASH FLOODING PROBLEMS. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TANGLEWOOD...
LEXINGTON...GIDDINGS...FEDOR AND DIME BOX.

LAT...LON 2964 9689 2963 9714 2979 9732 3002 9706
      3009 9703 3026 9708 3042 9731 3045 9717
      3056 9697 3033 9674 3031 9665 3017 9680
      3014 9677 3016 9670 3015 9666 2997 9658

$$
000 
WGUS74 KEWX 271901
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
200 PM CDT FRI JUL 27 2007

TXC149-287-271910-
LEE TX-FAYETTE TX-
200 PM CDT FRI JUL 27 2007

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR FAYETTE AND LEE
COUNTIES...

THE STRONGEST OF THE SHOWERS AND THUNDERSTORMS OVER FAYETTE AND LEE 
COUNTIES HAVE MOVED TO THE WEST. HOWEVER...THERE IS AN ONGOING 
CHANCE THROUGH THIS EVENING FOR ADDITIONAL DEVELOPMENT OF SHOWERS 
AND THUNDERSTORMS. ANY OF THESE STORMS MAY PRODUCE LOCALLY HEAVY 
RAINFALL WHICH WILL BE QUICK TO RUNOFF AND MAY CAUSE FLASH FLOODING.

LAT...LON 2964 9689 2963 9714 2979 9732 3002 9706
      3009 9703 3026 9708 3042 9731 3045 9717
      3056 9697 3033 9674 3031 9665 3017 9680
      3014 9677 3016 9670 3015 9666 2997 9658

$$

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 27, 2:54 AM CDTRiver Flood WarningEWXDeWitt55 hr
Jul 27, 8:41 AM CDTRiver Flood WarningEWXBexar24 hr
Jul 27, 2:12 PM CDTFlash Flood WarningEWXTravis2 hr

Nearby

Flash Flood Warnings in Texas, 2007Every flash flood warning in 2007

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.