Flash Flood Warning 275, NWS Austin/San Antonio, TX

Issued

Jul 5, 2002, 6:26 AM CDT (11:26 UTC)

Expired

Jul 5, 2002, 12:00 PM CDT

In force

6 hr

Issued by

NWS Austin/San Antonio, TX

Area

Whole counties

The Austin/San Antonio radar (KEWX), 52 km from the middle of the area, began a volume at 11:29 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.

000 
WGUS54 KEWX 051135
FFWSAT
TXC013-019-029-031-053-055-091-163-171-187-209-255-259-265-299-325-
385-453-463-491-493-051700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
626 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
  KERR
  KENDALL
  REAL
  CALDWELL
  COMAL
  BANDERA
  GUADALUPE
  BEXAR
  MEDINA
  UVALDE
  WILSON
  ATASCOSA
  KARNES
  FRIO

* UNTIL 12 NOON TODAY...JULY 5TH...2002

* AT 625 AM...WEATHER SERVICE DOPPLER RADAR INDICATED AREAS OF 
WIDESPREAD RAIN OVER PARTS OF SOUTH CENTRAL TEXAS...SOME RAIN HEAVY 
AT TIMES...IN WAKE OF VERY HEAVY RAINS SINCE JUNE 30TH.  THESE
ADDITIONAL RAINS...SOME HEAVY AT TIMES...WILL CAUSE FLOODING AT
LOW WATER CROSSINGS AND LOW LYING AREAS.  THE RAINS...WITH 
SHOWERS AND THUNDERSTORMS IS EXPECTED TO CONTINUE THE NEXT
FEW HOURS....AND EVEN IF RAIN STOPS THE RUNOFF WILL CONTINUE
FOR A FEW MORE HOURS.  FLOODING WILL BE EXTREME AND DANGEROUS...
BECAUSE THE RAINS THIS MORNING ARE COMING AFTER VERY HEAVY RAINS
SINCE JUNE 30TH.   

MANY CREEKS...STREAMS AND RIVERS ARE IN FLOOD.  MOTORISTS SHOULD
AVOID LOW WATER CROSSINGS AND LOW LYING AREAS...WHERE RUNOFF
FROM RAINS AND ON GOING FLOODING WILL MAKE DRIVING CONDITIONS
HAZARDOUS.
  
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

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.

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.

NWS Austin/San Antonio, TX wrote its last area forecast discussion before this flash flood warning went out at Jul 5, 4:00 AM CDT, 2 hours 26 minutes earlier.

SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
400 AM CDT FRI JUL 05 2002

BREAK IN SUBTROPICAL HIGH ALOFT EXPECTED TO CONTINUE TODAY AS
LOW ALOFT TO THE NW ATTEMPTS TO DRIFT SLOWLY NORTHWARD.  AS H7 TO H5
TROF PULLS LOW NORTHWARD LATER TODAY...CHC OF RAIN EXPECTED TO
FALL SOME TONIGHT AND THEN CONT FALLING ON SAT.  WILL KEEP POPS
20 PCT FOR SATURDAY...IN CASE DAYTIME HEATING SETS OFF A FEW
DAYTIME SHRA.  BY SAT NIGHT MORE STABLE CONDS SIGNAL VERY LOW
POPS.  COMPOSITE SOLUTIONS SHOW HIGH NORTH OF S CNTRL TX ON SUNDAY
WITH PSBL S/W TROF COMING FM THE EAST OVR AREA IN A PATTERN THAT
MAY SUPPORT SLIGHT COOLING ALOFT.  AS A RESULT WILL SHOW CHC OF
SHRA FOR SUNDAY AND CONTINUE THIS MONDAY.  THE TUESDAY WX PATTERN
SHOWS SAME WEAKNESS IN HEIGHT FIELD ALOFT FROM EITHER WK WX SYSTEMS
THAT COME IN FROM THE E OR NE.  COMPOSITE SOLUTIONS THEN SHOW GRADUAL
INCREASE IN SUBSIDENCE IN A WED TO FRI AND SAT OF NEXT WEEK TIME
FRAME.  AS A RESULT WILL SHOW SLOWLY FALLING POPS WED AND THU.

WILL SHOW FFA TODAY FOR TEXAS HILL COUNTRY AND LARGE PART OF
SOUTH CENTRAL TEXAS DUE TO AREA OF RAIN MOVING ACROSS AREA
TODAY IN WAKE OF RECENT HEAVY RAINS.

PRELIMINARY NUMBERS...
AUS 087/073 091/073 091 7221
DRT 087/073 092/075 093 7531
SAT 086/074 091/074 091 7321

.EWX...FLASH FLOOD TODAY FOR THE HILL COUNTRY AND PARTS OF
SOUTH CENTRAL TEXAS...GENERALLY ALONG AND WEST OF A GEORGETOWN
TO KARNES CITY LINE.

08/19/WR

Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002

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.