Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 92, NWS Austin/San Antonio, TX

October 11, 20039 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Oct 11, 2003, 11:16 PM CDT for 9 counties in Texas. It was in force for 4 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
Oct 11, 2003, 11:16 PM CDT (04:16 UTC)
Expired
Oct 12, 2003, 3:00 AM CDT
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Dimmit County, TX, Edwards County, TX, Frio County, TX, Kinney County, TX, Maverick County, TX, Real County, TX, Uvalde County, TX, Val Verde County, TX, Zavala County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 4.3 hours before the alert went out and 81 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 2003-10-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 76 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2003-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
76 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
596 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
-42 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 120421
FFWSAT
TXC127-137-163-271-323-385-463-465-507-120800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1116 PM CDT SAT OCT 11 2003

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  EDWARDS
  VAL VERDE
  REAL
  UVALDE
  KINNEY
  FRIO
  ZAVALA
  MAVERICK
  DIMMIT

* UNTIL 300 AM CDT

* AT 1116 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
OCCURRING OVER THESE COUNTIES. RAINFALL AMOUNTS ARE AVERAGING AROUND 
ONE QUARTER TO ONE HALF INCH AN HOUR WITH ISOLATED AMOUNTS UP TO TWO 
INCHES ALSO OCCURRING. 

EXCESSIVE RUNOFF FROM THESE STORMS IS FLOODING SMALL CREEKS AND 
STREAMS...HIGHWAYS...UNDERPASSES AND COUNTRY ROADS. 

LAT...LON 2826 10019 2825 9944 2868 9945 2868 9885
          2906 9884 2903 9945 2958 9946 2959 9963
          2988 9965 2987 9975 3005 9973 3008 9981
          3026 9981 3023 10172 2984 10169 2981 10139
          2915 10064 2870 10046

$$
1 follow-up statement
000 
WGUS74 KEWX 120624
FFSSAT
TXC127-137-163-271-323-385-463-465-507-120800-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
125 AM CDT SUN OCT 12 2003

...A FLASH FLOOD WARNING CONTINUES FOR EDWARDS...VAL VERDE...REAL...
UVALDE...KINNEY...FRIO...ZAVALA...MAVERICK AND DIMMIT COUNTIES UNTIL
300 AM CDT...

AT 125 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LARGE 
AREA OF LIGHT TO OCCASIONALLY MODERATE RAIN OVER ALL OF 
MAVERICK...DIMMIT...ZAVALA...FRIO AND UVALDE COUNTIES. RAINFALL 
RATES OF ONE QUARTER TO ONE HALF INCH PER HOUR WILL CONTINUE IN THE 
WARNING AREA THROUGH 3 AM. THE HEAVIEST RAIN WILL LIKELY OCCUR FROM 
AN EL INDIO TO BIG WELLS TO PEARSALL LINE.

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED WIDESPREAD RAINFALL 
TOTALS OF 2 TO 4 INCHES WITH LOCALIZED AMOUNTS UP TO 5 INCHES HAVE 
FALLEN SINCE YESTERDAY MORNING ACROSS PORTIONS OF THE WARNED AREA. 
ADDITIONAL RAINFALL WILL ONLY AGGRAVATE AN ALREADY SATURATED 
GROUND...LEADING TO FURTHER PROBLEMS WITH RIVERS AND STREAMS FLOWING 
OUT OF BANKS.

RIVER FLOOD WARNINGS REMAIN IN EFFECT ALONG THE RIO GRANDE AND PECOS 
RIVERS NEAR LANGTRY...PAFFORD CROSSING AND PANDALE. HEAVY RAINS HAVE 
ALSO LED TO FLOODING OF ROADS AND LOW WATER CROSSINGS...WHICH LED TO 
NUMEROUS CLOSURES ACROSS PORTIONS OF THE NORTHWEST HILL COUNTRY.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODS AND FLASH FLOODS. TRAVEL ACROSS THE NORTHWEST HILL 
COUNTRY AND RIO GRANDE AREA IS HIGHLY DISCOURAGED. IF FLASH FLOODING 
IS OBSERVED ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD 
WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS 
RISING.

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.

$$

KW

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 11, 7:24 PM CDTFlash Flood WarningEWXEdwards, Kinney, Maverick, Real, Uvalde, Val Verde4 hr
Oct 11, 8:23 PM CDTFlash Flood WarningEWXKerr3 hr
Oct 12, 2:14 AM CDTFlash Flood WarningEWXAtascosa4 hr
Oct 12, 2:56 AM CDTFlash Flood WarningEWXReal64 min
Oct 12, 3:02 AM CDTFlash Flood WarningEWXDimmit, Frio, Maverick, Medina, Uvalde, Zavala3 hr

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.