Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 80, NWS Austin/San Antonio, TX

July 3, 2002Burnet County, Williamson County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 3, 2002, 11:54 AM CDT for Burnet County, Williamson 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
Jul 3, 2002, 11:54 AM CDT (16:54 UTC)
Expired
Jul 3, 2002, 3:00 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Burnet County, TX, Williamson County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 4.9 hours before the alert went out and 244 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, Fort Worth, TX at 12:00Z on 2002-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 828 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, Fort Worth, TX at 12:00Z on 2002-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.1939Sfc1 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
828 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
505 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
132 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 031654
FFWSAT
TXC053-491-032000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1154 AM CDT WED JUL 3 2002

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  BURNET
  WILLIAMSON

* UNTIL 300 PM CDT

* AT 1154 AM...WEATHER SERVICE DOPPLER RADAR INDICATED MODERATE
  RAIN ACROSS EASTERN BURNET AND WESTERN WILLIAMSON WITH RAINFALL
  RATES OF AN INCH PER HOUR...MOVING NORTH AT 15 MPH.  THIS RAIN
  WILL ADD TO ONGOING FLASH FLOOD PROBLEMS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

LAT...LON 3050 9828 3066 9802 3051 9771 3082 9754
          3103 9791 3103 9837
1 follow-up statement
000 
WGUS74 KEWX 031828
FFSSAT
TXC053-491-032030-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
128 PM CDT WED JUL 3 2002

...THE FLASH FLOOD WARNING FOR BURNET AND WILLIAMSON COUNTIES HAS
BEEN CANCELLED...

NATIONAL WEATHER SERVICE RADAR INDICATED THE RAINFALL WAS ENDED 
ACROSS THE WARNED AREA...AND THE FLOOD THREAT WAS DIMINISHING. SOME 
MINOR FLOODING MAY CONTINUE...BUT THE THREAT OF SERIOUS FLOODING HAS 
ENDED...AND THE FLASH FLOOD WARNING HAS BEEN CANCELLED.

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 office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 7:45 PM CDTFlash Flood WarningEWXBexar, Medina4 hr
Jul 2, 8:23 PM CDTFlash Flood WarningEWXKendall3 hr
Jul 2, 8:30 PM CDTFlash Flood WarningEWXFrio3 hr
Jul 2, 9:32 PM CDTSevere Thunderstorm WarningEWXFrio58 min
Jul 2, 10:50 PM CDTFlash Flood WarningEWXDimmit, Zavala3 hr
Jul 2, 11:27 PM CDTFlash Flood WarningEWXBandera, Bexar, Medina4 hr
Jul 3, 1:57 AM CDTFlash Flood WarningEWXDimmit, Zavala4 hr
Jul 3, 3:05 AM CDTFlash Flood WarningEWXAtascosa, Bandera, Bexar, Blanco, Comal, Frio and 2 more4 hr
Jul 3, 5:12 AM CDTFlash Flood WarningEWXAtascosa, Bandera, Bexar, Blanco, Comal, Dimmit and 9 more7 hr
Jul 3, 9:06 AM CDTFlash Flood WarningEWXBurnet, Williamson3 hr
Jul 3, 9:47 AM CDTFlash Flood WarningEWXReal2 hr
Jul 3, 11:51 AM CDTFlash Flood WarningEWXDimmit, Zavala3 hr
Jul 3, 12:46 PM CDTSevere Thunderstorm WarningEWXVal Verde59 min
Jul 3, 1:16 PM CDTFlash Flood WarningEWXBandera, Medina119 min
Jul 3, 2:38 PM CDTFlash Flood WarningEWXKendall, Kerr3 hr
Jul 3, 2:52 PM CDTFlash Flood WarningEWXReal, Uvalde3 hr
Jul 3, 3:19 PM CDTFlash Flood WarningEWXBandera, Medina2 hr
Jul 3, 5:38 PM CDTFlash Flood WarningEWXComal3 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.