Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 157, NWS Austin/San Antonio, TX

July 14, 2002Maverick County, Zavala County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 14, 2002, 7:07 PM CDT for Maverick County, Zavala County, Texas. It was in force for 53 min. 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 14, 2002, 7:07 PM CDT (00:07 UTC)
Expired
Jul 14, 2002, 8:00 PM CDT
In force
53 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Maverick County, TX, Zavala County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 0.1 hours before the alert went out and 85 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 2002-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 567 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 2002-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -86 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
567 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
861 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-86 m²/s²
0-3 km storm-relative helicity
-33 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-0.6

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KEWX 150007
FFWSAT
TXC323-507-150100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
706 PM CDT SUN JUL 14 2002

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  ZAVALA
  MAVERICK

* UNTIL 800 PM CDT

* AT 706 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
  FROM QUEMADO TO LA PRYOR TO BATESVILLE......MOVING NORTH AT 5 MPH.
  RAINFALL RATES OF 1 TO 2 INCHES PER WERE NOTED.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

LAT...LON 2868 10048 2865 9984 2908 9968 2906 10065

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 7:19 PM CDTFlash Flood WarningEWXFrio, Karnes101 min
Jul 14, 8:56 PM CDTFlash Flood WarningEWXAtascosa, Karnes2 hr
Jul 15, 8:30 AM CDTFlash Flood WarningEWXFrio3 hr
Jul 15, 8:40 AM CDTFlash Flood WarningEWXFayette, Lavaca3 hr
Jul 15, 10:09 AM CDTFlash Flood WarningEWXBandera, Comal, Kendall2 hr
Jul 15, 12:15 PM CDTFlash Flood WarningEWXDimmit, Maverick, Zavala105 min
Jul 15, 12:33 PM CDTFlash Flood WarningEWXFrio87 min
Jul 15, 12:37 PM CDTFlash Flood WarningEWXDeWitt, Karnes83 min
Jul 15, 1:41 PM CDTFlash Flood WarningEWXDimmit, Frio, Maverick, Zavala3 hr
Jul 15, 6:31 PM CDTFlash Flood WarningEWXWilliamson119 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.