Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 228, NWS Austin/San Antonio, TX

October 8, 20027 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Oct 8, 2002, 3:32 AM CDT for 7 counties in 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, 3:32 AM CDT (08:32 UTC)
Expired
Oct 8, 2002, 7:00 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Bandera County, TX, Edwards County, TX, Kerr County, TX, Kinney County, TX, Maverick County, TX, Real County, TX, Uvalde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 8.5 hours before the alert went out and 91 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 2002-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 737 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 00:00Z on 2002-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -50 square meters per square second.193958Sfc1 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
737 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
1533 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-50 m²/s²
0-3 km storm-relative helicity
57 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 080832
FFWSAT
TXC019-137-265-271-323-385-463-081200-

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

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  EDWARDS
  KERR
  REAL
  BANDERA
  UVALDE
  KINNEY
  MAVERICK

* UNTIL 700 AM CDT

* AT 325 AM...WEATHER SERVICE DOPPLER RADAR INDICATED NUMEROUS
  THUNDERSTORMS...SOME PRODUCING TWO TO FOUR INCHES OF RAIN...
  MOVING NORTHEAST ACROSS THE EFFECTED COUNTIES.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL 
CREEKS...STREAMS...HIGHWAYS...UNDERPASSES AND COUNTRY ROADS.
IN ADDITION TO ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW 
LYING AREAS.

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 2824 10016 2913 10016 2912 9948 2968 9948
          2967 9896 3010 9896 3009 9927 3027 9938
          3026 10064 2935 10067 2921 10084 2892 10059

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 7, 9:39 PM CDTFlash Flood WarningEWXGillespie, Kendall, Kerr111 min
Oct 7, 10:16 PM CDTFlash Flood WarningEWXVal Verde3 hr
Oct 8, 12:34 AM CDTFlash Flood WarningEWXEdwards, Kinney, Val Verde5 hr
Oct 8, 4:58 AM CDTFlash Flood WarningEWXVal Verde4 hr
Oct 8, 6:55 AM CDTFlash Flood WarningEWXBandera, Edwards, Kerr, Kinney, Maverick, Real and 1 more2 hr
Oct 8, 9:14 AM CDTFlash Flood WarningEWXBandera, Edwards, Kerr, Kinney, Real, Val Verde3 hr
Oct 8, 11:54 AM CDTFlash Flood WarningEWXBandera, Edwards, Gillespie, Kerr, Kinney, Maverick and 3 more3 hr
Oct 8, 11:56 AM CDTTornado WarningEWXUvalde49 min
Oct 8, 12:46 PM CDTTornado WarningEWXUvalde44 min
Oct 8, 5:32 PM CDTSevere Thunderstorm WarningEWXComal, Hays58 min
Oct 8, 5:50 PM CDTTornado WarningEWXCaldwell, Hays55 min
Oct 8, 6:06 PM CDTSevere Thunderstorm WarningEWXGuadalupe54 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.