Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 126, NWS Austin/San Antonio, TX

July 13, 2002Kendall County, Kerr County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 13, 2002, 1:42 PM CDT for Kendall County, Kerr County, Texas. It was in force for 2 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
Jul 13, 2002, 1:42 PM CDT (18:42 UTC)
Expired
Jul 13, 2002, 4:00 PM CDT
In force
2 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Kendall County, TX, Kerr County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 6.7 hours before the alert went out and 188 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 2002-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 569 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 2002-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
569 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
1571 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
3 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 131842
FFWSAT
TXC259-265-132100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
138 PM CDT SAT JUL 13 2002

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  KERR
  KENDALL

* UNTIL 400 PM CDT

* AT 138 PM...WEATHER SERVICE DOPPLER RADAR INDICATED AREAS OF
VERY HEAVY RAIN FORMING OVER PARTS OF KERR AND KENDALL COUNTIES.
RAIN...HEAVY AT TIMES...FROM SHOWERS AND THUNDERSTORMS WILL CONTINUE
OVER PARTS OF KENDALL AND KERR COUNTIES THE NEXT 1 TO 2 HOURS.

EXCESSIVE RUNOFF FROM THIS STORM 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.

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. LAT...LON
2997 9965 3000 9913 2977 9873 2995 9850
          3003 9854 3007 9857 3011 9862 3011 9883
          3010 9936 3025 9937 3023 9966

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 1:32 PM CDTFlash Flood WarningEWXBandera2 hr
Jul 13, 3:19 PM CDTFlash Flood WarningEWXGillespie3 hr
Jul 13, 3:20 PM CDTFlash Flood WarningEWXMedina, Uvalde3 hr
Jul 13, 3:59 PM CDTFlash Flood WarningEWXBurnet, Llano, Williamson2 hr
Jul 13, 4:28 PM CDTFlash Flood WarningEWXReal3 hr
Jul 13, 5:59 PM CDTFlash Flood WarningEWXBandera, Kendall, Kerr, Medina, Uvalde91 min
Jul 13, 6:06 PM CDTFlash Flood WarningEWXWilliamson114 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.