Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 232, NWS Austin/San Antonio, TX

October 8, 20029 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Oct 8, 2002, 11:54 AM CDT for 9 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 counties it named.

The facts

Issued
Oct 8, 2002, 11:54 AM CDT (16:54 UTC)
Expired
Oct 8, 2002, 3:00 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Bandera County, TX, Edwards County, TX, Gillespie County, TX, Kerr County, TX, Kinney County, TX, Maverick County, TX, Real County, TX, Uvalde County, TX, Val Verde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 4.9 hours before the alert went out and 96 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 2002-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 147 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 2002-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
147 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
615 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KEWX 081654
FFWSAT
TXC019-137-171-265-271-323-385-463-465-081945-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1150 AM CDT TUE OCT 8 2002

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

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

* UNTIL 3 PM CDT

* AT 1150 AM...WEATHER SERVICE DOPPLER RADAR INDICATED WIDESPREAD 
MODERATE TO HEAVY RAINS FROM UVALDE COUNTY NORTHEASTWARD TO 
ENCOMPASS MUCH OF THE TEXAS HILL COUNTRY...MOVING NORTHEAST AT 20 
MPH.

RUNOFF FROM PREVIOUS HEAVY RAINS THIS MORNING CONTINUE TO BE A 
PROBLEM ACROSS WESTERN PORTIONS OF THE HILL COUNTRY AND THE MIDDLE 
RIO GRANDE PLAINS WITH NUMEROUS ROAD CLOSURES IN EFFECT.     

EXCESSIVE RUNOFF FROM THESE RAINS WILL CAUSE FLASH FLOODING OF SMALL 
CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND 
ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

IN ADDITION...ACROSS THE HILL COUNTRY.. EXCESSIVE RUNOFF WILL CAUSE 
FLASH FLOODING OF CREEKS AND STREAMS...ROADS AND ROADSIDE CULVERTS. 
THE HEAVY RAINS COULD ALSO TRIGGER ROCK AND MUDSLIDES IN STEEP 
TERRAIN.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.
1 follow-up statement
000 
WGUS74 KEWX 081958
FFSSAT
TXC019-137-171-265-271-323-385-463-465-082045-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
248 PM CDT TUE OCT 8 2002

...A FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 3 PM CDT...
...A FLASH FLOOD WATCH CONTINUES THROUGH TONIGHT ALONG AND WEST OF A
LINE FROM LEE COUNTY TO ATASCOSA COUNTY.  THIS INCLUDES AN AREA FROM 
LEXINGTON AND TAYLOR TO PLEASANTON...THEN WEST TO AUSTIN...SAN 
ANTONIO...AND DEL RIO... 
 
ONLY LIGHT TO MODERATE SHOWERS REMAIN OVER THE WARNED AREA WITH NO 
SIGNIFICANT FLOOD PRODUCING RAINS INDICATED...THEREFORE THE FLASH 
FLOOD WARNING ISSUED EARLIER FOR THE FOLLOWING COUNTIES WILL BE 
ALLOWED TO EXPIRE AT 3 PM...

GILLESPIE...EDWARDS...KERR...VAL VERDE...REAL...BANDERA...UVALDE
...KINNEY...MAVERICK

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.

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, 3:32 AM CDTFlash Flood WarningEWXBandera, Edwards, Kerr, Kinney, Maverick, Real and 1 more3 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, 11:56 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.