Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 165, NWS Austin/San Antonio, TX

July 15, 2002DeWitt County, Karnes County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 15, 2002, 12:37 PM CDT for DeWitt County, Karnes County, Texas. It was in force for 83 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 15, 2002, 12:37 PM CDT (17:37 UTC)
Expired
Jul 15, 2002, 2:00 PM CDT
In force
83 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties DeWitt County, TX, Karnes County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 5.6 hours before the alert went out and 138 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, Corpus Christi, TX at 12:00Z on 2002-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1885 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, Corpus Christi, TX at 12:00Z on 2002-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 square meters per square second.19395878Sfc1 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
1885 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
623 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
389 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 151737
FFWSAT
TXC123-255-151900-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1236 PM CDT MON JUL 15 2002

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  DEWITT
  KARNES

* UNTIL 200 PM CDT

* WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS
  MOVING ACROSS DEWITT AND KARNES COUNTIES. RAINFALL AMOUNTS OF
  TWO TO FOUR INCHES ARE OCCURRING. 

RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS...
STREAMS AND ROADS THAT ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.


LAT...LON 2868 9782 2895 9744 2891 9733 2911 9703
          2935 9726 2909 9763 2921 9774 2889 9814
          2872 9799 2874 9791

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 7:07 PM CDTFlash Flood WarningEWXMaverick, Zavala53 min
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, 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.