Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 231, NWS Austin/San Antonio, TX

October 8, 20026 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Oct 8, 2002, 9:14 AM CDT for 6 counties in 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
Oct 8, 2002, 9:14 AM CDT (14:14 UTC)
Expired
Oct 8, 2002, 12:00 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Bandera County, TX, Edwards County, TX, Kerr County, TX, Kinney County, TX, Real County, TX, Val Verde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 2.2 hours before the alert went out and 91 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 2002-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 147 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, Del Rio, TX at 12:00Z on 2002-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
147 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
615 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KEWX 081414
FFWSAT
TXC019-137-265-271-385-465-081700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
910 AM CDT TUE OCT 8 2002

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  EDWARDS
  KERR
  VAL VERDE
  REAL
  BANDERA
  KINNEY

* UNTIL 1200 PM CDT

* AT 910 AM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY 
RAINS FROM NORTHERN MAVERICK COUNTY ALONG THE RIO GRANDE RIVER NORTH 
AND NORTHEAST TO ENCOMPASS MUCH OF KINNEY...VAL VERDE... EDWARDS... 
REAL...KERR AND BANDERA COUNTIES.  AN ESTIMATED 6 TO 8 INCHES OF 
RAIN HAS ALREADY FALLEN OVER PORTIONS OF THE RIO GRANDE VALLEY IN 
THE PAST 24 HOURS WITH 3 TO 5 INCHES OVER CENTRAL AND WESTERN 
PORTIONS OF THE HILL COUNTRY. RAINFALL RATES OF AN INCH TO AN INCH 
AND A HALF PER HOUR CONTINUE TH1S MORNING. 

OVER BANDERA COUNTY...CAMPERS AND RIVER RECREATIONISTS SHOULD MOVE 
AWAY FROM THE MEDINA RIVER.  A SIGNIFICANT RISE COULD BE MOVING 
DOWNSTREAM DURING THE NEXT FEW HOURS. ADDITIONAL HEAVY RAINS AND 
THUNDERSTORMS WILL MOVE THROUGH THE AREA THE NEXT ONE TO TWO 
HOURS...INCREASING RAINFALL AMOUNTS AND FLOODING.  CAMPERS IN 
JELLYSTONE RV PARK SHOULD MONITOR RAINFALL AND FLOOD FORECASTS. IF 
SERIOUS FLOODING DEVELOPS...RV CAMPERS SHOULD BE PREPARED TO MOVE AS 
EMERGENCY OFFICIALS ADVISE. 
       
OVER EDWARDS COUNTY...DOPPLER RADAR INDICATES PERIODS OF ADDITIONAL 
HEAVY RAIN THE NEXT ONE TO TWO HOURS OVER EDWARDS COUNTY.  CAMPERS 
SHOULD REMOVE AUTOS...RV CAMPERS...AND EQUIPMENT FROM THE NUECES 
RIVER FLOOD PLAIN ABOVE BARKSDALE TO ABOVE UVALDE. 

OVER REAL COUNTY...LOW WATER CROSSINGS ALONG FM 337 AND OTHER 
SECONDARY ROADS WILL QUICKLY FLOOD AND BE VERY DANGEROUS THE NEXT 
FEW HOURS. MOTORISTS SHOULD APPROACH DRAWS AND CROSSINGS VERY SLOWLY 
AND IN NO CIRCUMSTANCES ENTER FLOODED ROAD CROSSINGS. 
   
OVER MAVERICK COUNTY...
LIVESTOCK...EQUIPMENT AND PUMPS SHOULD BE REMOVED FROM FLOOD PRONE 
AREAS OF LAS MORAS...ELM...AND PICOSA CREEKS.  LIVESTOCK WILL 
GENERALLY MOVE TO HIGH GROUND WHEN THEY SEE A RIVER RISE 
APPROACHING.  IN THE RIO GRANDE...THE HIGH GROUND IS OFTEN AN 
ISLAND.  RANCHERS WITH LIVESTOCK AND EQUIPMENT IN THE RIO GRANDE 
RIVER CHANNEL SHOULD MONITOR NEWS REPORTS FOR FLOOD WARNINGS. 

A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH 6 AM WEDNESDAY MORNING 
FOR THESE AREAS. 
 
EXCESSIVE RUNOFF FROM THESE HEAVY RAINS WILL CAUSE FLASH 
FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY 
WASHES AND ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS 
AND STREAMS.

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID
CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 7, 9:39 PM CDTFlash Flood WarningEWXGillespie, Kendall, Kerr111 min
Oct 7, 10:16 PM CDTFlash Flood WarningEWXVal Verde3 hr
Oct 8, 12:34 AM CDTFlash Flood WarningEWXEdwards, Kinney, Val Verde5 hr
Oct 8, 3:32 AM CDTFlash Flood WarningEWXBandera, Edwards, Kerr, Kinney, Maverick, Real and 1 more3 hr
Oct 8, 4:58 AM CDTFlash Flood WarningEWXVal Verde4 hr
Oct 8, 6:55 AM CDTFlash Flood WarningEWXBandera, Edwards, Kerr, Kinney, Maverick, Real and 1 more2 hr
Oct 8, 11:54 AM CDTFlash Flood WarningEWXBandera, Edwards, Gillespie, Kerr, Kinney, Maverick and 3 more3 hr
Oct 8, 11:56 AM CDTTornado WarningEWXUvalde49 min
Oct 8, 12:46 PM CDTTornado WarningEWXUvalde44 min
Oct 8, 5:32 PM CDTSevere Thunderstorm WarningEWXComal, Hays58 min
Oct 8, 5:50 PM CDTTornado WarningEWXCaldwell, Hays55 min
Oct 8, 6:06 PM CDTSevere Thunderstorm WarningEWXGuadalupe54 min

Nearby

Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002

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.