Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 118, NWS Austin/San Antonio, TX

July 5, 200224 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 5, 2002, 11:47 AM CDT for 24 counties in Texas. It was in force for 4 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 5, 2002, 11:47 AM CDT (16:47 UTC)
Expired
Jul 5, 2002, 4:00 PM CDT
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text
All 24 counties

Atascosa County, TX, Bandera County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, Dimmit County, TX, Edwards County, TX, Frio County, TX, Gillespie County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, Llano County, TX, Medina County, TX, Real County, TX, Travis County, TX, Uvalde County, TX, Williamson County, TX, Wilson County, TX, Zavala County, TX

The radar

The Austin/San Antonio radar (KEWX), 75 km from the middle of the area, began a volume at 16:51 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 12:00Z, 4.8 hours before the alert went out and 204 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 2002-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1186 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 2002-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
1186 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
131 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 051647
FFWSAT
TXC013-019-029-031-053-055-091-127-137-163-171-187-209-255-259-265-
299-325-385-453-463-491-493-507-052100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1145 AM CDT FRI JUL 5 2002

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  BURNET
  LLANO
  WILLIAMSON
  TRAVIS
  GILLESPIE
  BLANCO
  HAYS
  EDWARDS
  KERR
  KENDALL
  REAL
  CALDWELL
  COMAL
  BANDERA
  GUADALUPE
  BEXAR
  MEDINA
  UVALDE
  WILSON
  ATASCOSA
  KARNES
  FRIO
  ZAVALA
  DIMMIT

* UNTIL 400 PM CDT

* AT 1145 AM...SHOWERS AND SOME EMBEDDED THUNDERSTORMS CONTINUED 
ROUGHLY FROM CATARINA TO HONDO TO MEDINA TO KERRVILLE TO CASTELL.  
RAINFALL RATES WERE UP TO 2 TO 4 INCHES PER HOUR IN THE STRONGER
SHOWERS AND THUNDERSTORMS.  ALTHOUGH RAINS HAVE SLACKENED EAST OF 
I35 LATE THIS MORNING...RUNOFF FROM HEAVY RAINS EARLIER TODAY AND 
THE THREAT OF ADDITIONAL RAINS THIS AFTERNOON WILL CONTINUE TO CAUSE 
EXTREME AND DANGEROUS FLOODING AT LOW WATER CROSSINGS AND OTHER LOW 
LYING AREAS.   MANY CREEKS...STREAMS...AND RIVERS ARE IN FLOOD...SOME
AT RECORD LEVELS.    

DRIVING IS STRONGLY DISCOURAGED IN THIS DANGEROUS...LIFE-THREATENING
SITUATION.  


LAT...LON 2827 10010 2880 9770 2942 9787 2967 9766
          2986 9793 3016 9775 3046 9742 3085 9757
          3090 9794 3098 9806 3089 9892 3045 9927
          3009 9973 3008 9999 2969 10007 2913 10011
          2893 10008
1 follow-up statement
000 
WGUS74 KEWX 051744
FFSSAT
TXC013-019-029-031-053-055-091-127-137-163-171-187-209-255-259-265-
299-325-385-453-463-491-493-507-052100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1245 PM CDT FRI JUL 5 2002

...FLASH FLOOD WARNING UNTIL 400 PM TODAY...JULY 5TH FOR 
BURNET...LLANO...WILLIAMSON...TRAVIS...GILLESPIE...BLANCO...HAYS
...KERR...KENDALL...REAL...CALDWELL...COMAL...BANDERA...GUADALUPE...
BEXAR...MEDINA...UVALDE...WILSON...ATASCOSA...KARNES...FRIO...DIMMIT
...AND ZAVALA COUNTIES... 

LATEST COMPUTER PROJECTIONS SUGGEST A GRADUAL DECREASE IN RAINFALL 
THIS AFTERNOON AND TONIGHT.  HOWEVER...THE RAIN AREA WILL REMAIN 
MUCH THE SAME AS THAT WHICH RECEIVED HEAVY AMOUNTS OVERNIGHT AND FOR 
THE PAST SEVERAL DAYS.  IN GENERAL...AN ADDITIONAL ONE HALF TO ONE 
INCH OF RAIN WILL OCCUR THROUGH MIDNIGHT WITH 2 TO 4 INCH AMOUNTS IN 
SPOTS.  FLOODING AND FLASH FLOODING WILL PERSIST IN THIS
DANGEROUS...LIFE THREATENING SITUATION.  

TRAVEL IS STRONGLY DISCOURAGED.


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 4, 11:10 PM CDTFlash Flood WarningEWXBexar3 hr
Jul 4, 11:36 PM CDTFlash Flood WarningEWXKendall3 hr
Jul 5, 12:30 AM CDTFlash Flood WarningEWXBlanco, Burnet, Comal4 hr
Jul 5, 12:35 AM CDTFlash Flood WarningEWXGillespie3 hr
Jul 5, 12:48 AM CDTFlash Flood WarningEWXWilson3 hr
Jul 5, 2:01 AM CDTFlash Flood WarningEWXBexar, Kendall, Llano119 min
Jul 5, 2:53 AM CDTFlash Flood WarningEWXBandera, Kerr, Medina4 hr
Jul 5, 3:00 AM CDTFlash Flood WarningEWXAtascosa, Karnes4 hr
Jul 5, 3:41 AM CDTFlash Flood WarningEWXBexar, Blanco, Burnet, Comal, Gillespie, Kendall and 2 more3 hr
Jul 5, 3:52 AM CDTFlash Flood WarningEWXHays3 hr
Jul 5, 3:54 AM CDTFlash Flood WarningEWXHays3 hr
Jul 5, 4:47 AM CDTFlash Flood WarningEWXGuadalupe, Real2 hr
Jul 5, 5:49 AM CDTFlash Flood WarningEWXCaldwell, Travis3 hr
Jul 5, 6:26 AM CDTFlash Flood WarningEWXAtascosa, Bandera, Bexar, Blanco, Burnet, Caldwell and 15 more6 hr
Jul 5, 7:53 AM CDTFlash Flood WarningEWXDimmit, Zavala4 hr
Jul 5, 3:31 PM CDTFlash Flood WarningEWXAtascosa, Bandera, Bexar, Blanco, Burnet, Caldwell and 17 more4 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.