Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 16, NWS Austin/San Antonio, TX

March 22, 2003Bandera County, Medina County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Mar 22, 2003, 3:37 PM CST for Bandera County, Medina 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
Mar 22, 2003, 3:37 PM CST (21:37 UTC)
Expired
Mar 22, 2003, 6:30 PM CST
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Bandera County, TX, Medina County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 9.6 hours before the alert went out and 157 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 12:00Z on 2003-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2003-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.1939587897Sfc1 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
896 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
93 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 222142
FFWSAT
TXC019-325-230030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
337 PM CST SAT MAR 22 2003

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

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

* UNTIL 630 PM CST

* AT 337 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
  6 MILES SOUTH OF TARPLEY...MOVING SOUTHEAST AT 30 MPH. RAINFALL    
  RATES OF UP TO 1.5 INCHES PER HOUR ARE POSSIBLE WITH THESE STORMS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.


LAT...LON 2982 9944 2915 9935 2918 9890 2983 9906

$$
3 follow-up statements
000 
WGUS74 KEWX 222236
FFSSAT
TXC019-325-222330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
434 PM CST SAT MAR 22 2003

...A FLASH FLOOD WARNING CONTINUES FOR BANDERA AND MEDINA COUNTIES   
   UNTIL 630 PM CST...

AT 430 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL LOCATED OVER MEDINA 
COUNTY.  MOVEMENT IS SOUTHEAST AT 30 MPH.  THE HEAVIEST RAINS WERE 
OCCURRING FROM CASTROVILLE TO YANCEY.  RAINFALL RATES WERE ESTIMATED 
AT 1 INCH AN HOUR.

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

$$
000 
WGUS74 KEWX 222321
FFSSAT
TXC019-325-230015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
519 PM CST SAT MAR 22 2003

...A FLASH FLOOD WARNING CONTINUES FOR BANDERA AND MEDINA COUNTIES
UNTIL 630 PM CST...

AT 515 PM...DOPPLER RADAR INDICATED THAT THE HEAVY RAINS HAVE EXITED 
THE WARNED COUNTIES.  HOWEVER RUNOFF MAY STILL CAUSE FLASH FLOODING.

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.

$$
000 
WGUS74 KEWX 230000
FFSSAT
TXC019-325-230030-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 PM CST SAT MAR 22 2003

...THE FLASH FLOOD WARNING FOR BANDERA AND MEDINA COUNTIES HAS BEEN
CANCELLED...

NATIONAL WEATHER SERVICE RADAR INDICATED THE RAINFALL HAD ENDED
ACROSS THE WARNED AREA...AND THE FLOOD THREAT WAS DIMINISHING. SOME
MINOR FLOODING MAY CONTINUE...BUT THE THREAT OF SERIOUS FLOODING HAS
ENDED...AND THE FLASH FLOOD WARNING HAS BEEN CANCELLED.

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
Mar 22, 12:15 AM CSTSevere Thunderstorm WarningEWXKinney, Val Verde60 min
Mar 22, 2:26 PM CSTFlash Flood WarningEWXReal3 hr
Mar 22, 2:29 PM CSTFlash Flood WarningEWXKerr3 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.