Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 119, NWS Austin/San Antonio, TX

July 5, 200223 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 5, 2002, 3:31 PM CDT for 23 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, 3:31 PM CDT (20:31 UTC)
Expired
Jul 5, 2002, 8:00 PM CDT
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text
All 23 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, 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), 23 km from the middle of the area, began a volume at 20:34 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

Corpus Christi, TX (KCRP), launched 12:00Z, 8.5 hours before the alert went out and 248 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, Corpus Christi, TX at 12:00Z on 2002-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1219 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, Corpus Christi, TX at 12:00Z on 2002-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
1219 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
854 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
108 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 052031
FFWSAT
TXC013-019-029-031-053-055-091-127-163-171-187-209-255-259-265-299-
325-385-453-463-491-493-507-060200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
330 PM 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
  KERR
  KENDALL
  REAL
  CALDWELL
  COMAL
  BANDERA
  GUADALUPE
  BEXAR
  MEDINA
  UVALDE
  WILSON
  ATASCOSA
  KARNES
  FRIO
  ZAVALA
  DIMMIT

* UNTIL 800 PM CDT

THE CHANCE OF ADDITIONAL RAIN CONTINUES HIGH FOR LATE THIS AFTERNOON
AND INTO THE EVENING.  WITH THE GROUND SO SATURATED...JUST MODERATE 
SHOWERS WILL PRODUCE FURTHER RUNOFF AND AGGRAVATE FLASH FLOODING OF 
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.   

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



LAT...LON 2826 10011 2829 9943 2887 9769 2903 9784
          2937 9788 2972 9771 2982 9744 3000 9773
          3010 9770 3073 9733 3081 9751 3085 9762
          3086 9768 3095 9782 3106 9842 2997 9982
2 follow-up statements
000 
WGUS74 KEWX 052107
FFSSAT
TXC013-019-029-031-053-055-091-127-163-171-187-209-255-259-265-299-
325-385-453-463-491-493-507-060200-

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

...FLASH FLOOD WARNING UNTIL 800 PM THIS EVENING 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... 

A FLASH FLOOD WATCH CONTINUES FOR THESE COUNTIES THROUGH TONIGHT.  

SHOWER ACTIVITY HAS BEEN SPOTTY THIS AFTERNOON.  RAINFALL RATES HAVE 
BEEN GENERALLY .5 TO 1 INCH BUT BUT TROPICAL DOWN POURS ARE STILL 
OCCURRING WITH RATES OF 2 TO 3 INCHES IN HEAVY SHOWERS AND A FEW 
THUNDERSTORMS.

THE CHANCE OF ADDITIONAL RAIN REMAINS HIGH THROUGH THE EVENING... 
CONTINUING THE THREAT OF FLASH FLOODING GIVEN THE SATURATED GROUND. 
 
LATEST COMPUTER PROJECTIONS INDICATE A DECREASE IN SHOWER ACTIVITY
FOR LATER TONIGHT AND SATURDAY WHICH WOULD LOWER THE THREAT FOR  
FLASH FLOODING.  HOWEVER...MANY RIVERS WILL REMAIN IN FLOOD FOR 
SEVERAL DAYS.  

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.
000 
WGUS74 KEWX 060057
FFSSAT
TXC013-019-029-031-053-055-091-127-163-171-187-209-255-259-265-299-
325-385-453-463-491-493-507-060145-

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

...THE FLASH FLOOD WARNING FOR BURNET...LLANO...WILLIAMSON...
TRAVIS...GILLESPIE...BLANCO...HAYS...KERR...KENDALL...REAL...
CALDWELL...COMAL...BANDERA...GUADALUPE...BEXAR...MEDINA...UVALDE...
WILSON...ATASCOSA...KARNES...FRIO...ZAVALA AND DIMMIT COUNTIES HAS 
BEEN ALLOWED TO EXPIRE...

NATIONAL WEATHER SERVICE RADAR INDICATED THE HEAVY RAINFALL HAS 
ENDED...AND THE WARNINGS HAVE BEEN ALLOWED TO EXPIRE.  A SMALL 
CLUSTER OF STORMS WAS MOVING NORTH OUT OF BURNET AND WILLIAMSON 
COUNTY WITH RAINFALL RATES OF ONE HALF PER HOUR.  

A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TONIGHT FOR ALL OF 
SOUTH CENTRAL TEXAS AND THE HILL COUNTRY DUE TO THE THREAT OF 
THUNDERSTORMS WITH HEAVY RAINFALL DEVELOPING TONIGHT.  

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, 11:47 AM CDTFlash Flood WarningEWXAtascosa, Bandera, Bexar, Blanco, Burnet, Caldwell and 18 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.