Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 130, NWS Austin/San Antonio, TX

July 13, 2002Real County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 13, 2002, 4:28 PM CDT for Real 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
Jul 13, 2002, 4:28 PM CDT (21:28 UTC)
Expired
Jul 13, 2002, 7:30 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Real County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 9.5 hours before the alert went out and 107 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 132128
FFWSAT
TXC385-140015-

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

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

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

* UNTIL 730 PM CDT

* AT 422 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
ALONG THE FRIO RIVER FROM 10 MILES SOUTH OF LEAKEY TO 20 MILES NORTH 
OF LEAKEY.  MOVEMENT OF THE RAIN AREA WAS WEST AT 10 MPH.  
THUNDERSTORMS WERE PRODUCING RAINFALL RATES OF 1 TO 2 INCHES PER 
HOUR.  


CAMPERS ALONG THE FRIO RIVER SHOULD MOVE TO HIGHER GROUND 
IMMEDIATELY.  

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 2966 9999 2967 9965 3001 9973 3006 9994

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, 1:42 PM CDTFlash Flood WarningEWXKendall, Kerr2 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, 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.