Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 30, NWS Austin/San Antonio, TX

June 10, 2003Bandera County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 10, 2003, 4:33 AM CDT for Bandera 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 10, 2003, 4:33 AM CDT (09:33 UTC)
Expired
Jun 10, 2003, 7:30 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Bandera County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 9.6 hours before the alert went out and 149 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, Del Rio, TX at 00:00Z on 2003-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2129 joules per kilogram.LCLEL10008507005003002001001 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, Del Rio, TX at 00:00Z on 2003-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 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
2129 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
2096 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
32 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 100936
FFWSAT
TXC019-101230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
433 AM CDT TUE JUN 10 2003

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  BANDERA

* UNTIL 730 AM CDT

* AT 433 AM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
  FROM BANDERA TO TARPLEY AND VANDERPOOL...MOVING EAST AT 5 MPH.
  RAINFALL RATES OF 1.5 TO 2.5 INCHES PER HOUR WERE NOTED.  THIS RAIN
  WILL PERSIST FOR THE NEXT COUPLE OF HOUR.  

THESE RAINS WILL AFFECT THE PIPE CREEK AND UPPER MEDINA RIVER 
WATERSHEDS.    

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

LAT...LON 2992 9960 2966 9961 2964 9889 2991 9920

$$
1 follow-up statement
000 
WGUS74 KEWX 101136
FFSSAT
TXC019-101330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
624 AM CDT TUE JUN 10 2003

...A FLASH FLOOD WARNING CONTINUES FOR BANDERA COUNTY UNTIL 730 AM
CDT...

DOPPLER RADAR HAS ESTIMATED 2 TO 4 INCHES OF RAIN HAD FALLEN 
AREAWIDE OVER WESTERN BANDERA COUNTY.    

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL 
CREEKS AND STREAMS FEEDING THE MEDINA RIVER. LOW WATER CROSSINGS AND 
COUNTRY ROADS..NORMALLY DRY WASHES...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS MAY BE FLOODED.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO
HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST
WEATHER INFORMATION.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 12:03 AM CDTSevere Thunderstorm WarningEWXVal Verde57 min
Jun 10, 12:56 AM CDTSevere Thunderstorm WarningEWXKinney64 min
Jun 10, 3:22 AM CDTFlash Flood WarningEWXReal3 hr
Jun 10, 4:24 AM CDTSevere Thunderstorm WarningEWXDimmit, Zavala66 min
Jun 10, 5:42 AM CDTSevere Thunderstorm WarningEWXDimmit48 min
Jun 10, 6:42 AM CDTFlash Flood WarningEWXReal2 hr
Jun 10, 7:23 AM CDTFlash Flood WarningEWXBandera3 hr
Jun 10, 8:44 AM CDTFlash Flood WarningEWXReal61 min

Nearby

Flash Flood Warnings in Texas, 2003Every flash flood warning in 2003

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.