Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 264, NWS Austin/San Antonio, TX

November 4, 20028 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Nov 4, 2002, 9:44 PM CST for 8 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
Nov 4, 2002, 9:44 PM CST (03:44 UTC)
Expired
Nov 5, 2002, 12:45 AM CST
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Bastrop County, TX, Caldwell County, TX, DeWitt County, TX, Fayette County, TX, Gonzales County, TX, Guadalupe County, TX, Lavaca County, TX, Lee County, TX

The radar

The Austin/San Antonio radar (KEWX), 71 km from the middle of the area, began a volume at 03:46 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 3.7 hours before the alert went out and 345 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 2002-11-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2002-11-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
608 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
54 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 050344
FFWSAT
TXC021-055-123-149-177-187-285-287-050645-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
944 PM CST MON NOV 4 2002

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  LEE
  BASTROP
  FAYETTE
  CALDWELL
  GUADALUPE
  GONZALES
  LAVACA
  DEWITT

* UNTIL 1245 AM CST

* AT 939 PM...WEATHER SERVICE DOPPLER RADAR INDICATED WIDESPREAD RAIN
  AND SCATTERED SHOWERS ALONG AND EAST OF A LINE FROM YORKTOWN TO 
  SEGUIN TO LEXINGTON...MOVING EAST AT 15 MPH.  RAINFALL RATES OF
  ONE HALF TO ONE INCH WERE NOTED.  

ESPECIALLY IMPACTED WILL BE CEDAR AND WILBARGER CREEK IN BASTROP 
COUNTY...PLUM CREEK IN CALDWELL COUNTY...AS WELL AS TRIBUTARIES THAT 
FEED INTO THE GUADALUPE RIVER FROM NEAR SEGUIN SOUTHEAST AND THE 
COLORADO RIVER FROM UTLEY SOUTHEAST.

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 2967 9810 2889 9730 2937 9664 2998 9663
          3059 9700
2 follow-up statements
000 
WGUS74 KEWX 050549
FFSSAT
TXC021-055-123-149-177-187-285-287-050645-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1141 PM CST MON NOV 4 2002

...A FLASH FLOOD WARNING CONTINUES FOR LEE...BASTROP...FAYETTE...
CALDWELL...GUADALUPE...GONZALES...LAVACA AND DEWITT COUNTIES UNTIL
1245 AM CST...

SHOWERS CONTINUE TO MOVE EASTWARD INTO SOUTHEAST TEXAS.  THE SHOWERS 
WERE OCCURRING EAST OF A LINE FROM LEXINGTON TO YOAKUM.  RAINFALL 
RATES WERE AVERAGING AROUND ONE QUARTER INCH AN HOUR.  

RUNOFF FROM RAINS OVER THE NEXT FEW HOURS WILL CONTINUE TO CAUSE 
FLOODING OF CREEKS...STREAMS AND HIGHWAY UNDERPASSES.  ALSO FARM TO 
MARKET ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND 
OTHER LOW LYING AREAS WILL BE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO
HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST
WEATHER INFORMATION.

THE WATCH IS IN EFFECT UNTIL 6 AM CST TUESDAY MORNING AND INCLUDES 
THE FOLLOWING COUNTIES...

BASTROP... BEXAR... CALDWELL... DEWITT... FAYETTE... GONZALES... 
GUADALUPE... KARNES... LAVACA... LEE... AND WILSON.
000 
WGUS74 KEWX 050551 CCA
FFSSAT
TXC021-055-123-149-177-187-285-287-050645-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1141 PM CST MON NOV 4 2002

...A FLASH FLOOD WARNING CONTINUES FOR LEE...BASTROP...FAYETTE...
CALDWELL...GUADALUPE...GONZALES...LAVACA AND DEWITT COUNTIES UNTIL
1245 AM CST...

SHOWERS CONTINUE TO MOVE EASTWARD INTO SOUTHEAST TEXAS.  THE SHOWERS 
WERE OCCURRING EAST OF A LINE FROM LEXINGTON TO YOAKUM.  RAINFALL 
RATES WERE AVERAGING AROUND ONE QUARTER INCH AN HOUR.  

RUNOFF FROM RAINS OVER THE NEXT FEW HOURS WILL CONTINUE TO CAUSE 
FLOODING OF CREEKS...STREAMS AND HIGHWAY UNDERPASSES.  ALSO FARM TO 
MARKET ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND 
OTHER LOW LYING AREAS WILL BE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO
HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST
WEATHER INFORMATION.

THE WATCH IS IN EFFECT UNTIL 6 AM CST TUESDAY MORNING AND INCLUDES 
THE FOLLOWING COUNTIES...

BASTROP... CALDWELL... DEWITT... FAYETTE... GONZALES... GUADALUPE... 
KARNES... LAVACA... LEE... AND WILSON.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 4, 6:44 PM CSTFlash Flood WarningEWXBastrop, Bexar, Caldwell, Comal, DeWitt, Fayette and 8 more3 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; radar from the NEXRAD Level II archive.