Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 237, NWS Austin/San Antonio, TX

October 8, 2002Kinney County, Val Verde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Oct 8, 2002, 10:59 PM CDT for Kinney County, Val Verde 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
Oct 8, 2002, 10:59 PM CDT (03:59 UTC)
Expired
Oct 9, 2002, 2:00 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Kinney County, TX, Val Verde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 4.0 hours before the alert went out and 5 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 2002-10-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1904 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2002-10-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
1904 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
764 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.7

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KEWX 090359
FFWSAT
TXC271-465-090700-

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

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  VAL VERDE
  KINNEY

* UNTIL 200 AM CDT

* AT 11 PM...WEATHER SERVICE DOPPLER RADAR INDICATED NUMEROUS      
  THUNDERSTORMS...WITH VERY HEAVY RAINFALL...MOVING NORTHEAST AT 20  
  MPH INTO VAL VERDE AND KINNEY COUNTIES FROM MEXICO.

WITH ALREADY SATURATED SOILS AND SWOLLEN CREEKS AND STREAMS FROM 
PREVIOUS RAINS...THIS ADDITIONAL RAINFALL WILL CAUSE RAPID RISES IN 
SAN FELIPE CREEK...SYCAMORE CREEK...AND THE SURROUNDING TRIBUTARIES.
LOW WATER CROSSINGS...ARROYOS...AND POOR DRAINAGE AREAS IN THE DEL 
RIO AND BRACKETTVILLE AREAS WILL ALSO BECOME DANGEROUS FROM THE 
RAPIDLY RISING WATER.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.


LAT...LON 2925 10102 2913 10088 2960 10022 2962 10081

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 8, 8:00 PM CDTFlash Flood WarningEWXGuadalupe4 hr
Oct 8, 8:47 PM CDTFlash Flood WarningEWXAtascosa, Wilson3 hr
Oct 8, 9:22 PM CDTSevere Thunderstorm WarningEWXAtascosa, Wilson53 min
Oct 8, 9:32 PM CDTFlash Flood WarningEWXCaldwell4 hr
Oct 8, 10:32 PM CDTFlash Flood WarningEWXBexar3 hr
Oct 8, 11:51 PM CDTFlash Flood WarningEWXGuadalupe114 min
Oct 9, 1:02 AM CDTFlash Flood WarningEWXBandera, Bexar, Kinney, Maverick, Medina, Real and 1 more4 hr
Oct 9, 1:27 AM CDTFlash Flood WarningEWXBastrop, Caldwell, Fayette, Gonzales, Guadalupe, Wilson4 hr
Oct 9, 3:17 AM CDTFlash Flood WarningEWXAtascosa3 hr
Oct 9, 4:57 AM CDTFlash Flood WarningEWXCaldwell, Gonzales, Guadalupe, Wilson2 hr
Oct 9, 10:16 AM CDTFlash Flood WarningEWXFrio, Zavala3 hr

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.