Flash Flood Warning 211, NWS Austin/San Antonio, TX

Issued

Oct 18, 1998, 11:28 AM CDT (16:28 UTC)

Expired

Oct 18, 1998, 3:00 PM CDT

In force

4 hr

Issued by

NWS Austin/San Antonio, TX

Area

Whole counties

Counties Blanco County, TX, Caldwell County, TX, Hays County, TX, Travis County, TX

000 
TTAA00 KSAT 181630
FFWSAT
TXC013-021-029-031-055-091-163-187-209-287-325-453-463-491-182000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1128 AM CDT SUN OCT 18 1998

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WILLIAMSON IN TEXAS
  BLANCO IN TEXAS
  TRAVIS IN TEXAS
  BASTROP IN TEXAS
  LEE IN TEXAS
  COMAL IN TEXAS
  HAYS IN TEXAS
  CALDWELL IN TEXAS
  UVALDE IN TEXAS
  MEDINA IN TEXAS
  BEXAR IN TEXAS
  GUADALUPE IN TEXAS
  ATASCOSA IN TEXAS
  FRIO IN TEXAS

* UNTIL 300 PM CDT

* AT 1120 AM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN ALONG AND EAST OF A LAGRANGE
  TO SAN ANTONIO TO CRYSTAL CITY LINE... MOVING EAST NORTHEAST AT 15
  MPH.  RAIN AND LIGHT TO MODERATE SHOWERS COVERED THE REMAINDER OF
  SOUTH CENTRAL TEXAS...AGAIN MOVING TOWARD THE EAST NORTHEAST AT
15 MPH.

* HEAVY RAIN CONTINUING BETWEEN SAN ANTONIO...HONDO AND UVALDE AS
  WELL AS WELL AS SOUTH AND EAST OF A LINE FROM HALLETTSVILLE TO
  CUERO AND BEEVILLE WILL CAUSE FLASH FLOODING TO PERSIST INTO THE
MID AFTERNOON.

  AREA CREEKS AND STREAMS ALSO REMAIN FLOODED OVER SOUTH CENTRAL
TEXAS AND ALL MOTORISTS MUST USE EXTRA CAUTION WHEN TRAVELING NEAR
THEM.  ALSO...PARENTS MUST KEEP CHILDREN AWAY FROM FLOODED
STREAM... DITCHES AND CULVERTS BECAUSE OF THE EXTREME DANGER.

REMEMBER...DON'T DRIVE ACROSS FLOODED ROADTS! MOST FLASH FLOOD DEATHS
OCCUR IN AUTOMOBILES.

LHE

NWS Austin/San Antonio, TX wrote its last area forecast discussion before this flash flood warning went out at Oct 17, 8:20 PM CDT, 15 hours 8 minutes earlier.

COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
820 PM CDT SAT OCT 17 1998

MSTR CONTINUES TO ADVECT FM MADELINE ACRS MEXICO INTO TX. THIS MSTR
COMBINED WITH THE SFC FNT TO THE NORTH AND UPR DYNAMICS TO GENERATE
COPIOUS RAIN/TSTMS TDA JUST NORTH OF OUR CWA. NEVERTHELESS...
SCATTERED SHOWERS AND THUNDERSTORMS HAVE AFFECTED MAINLY THE CNTRL
AND ERN CWA TDA IN PART DUE TO THE RRQ OF THE UPR JET STREAK. THIS
STREAK IS PROGD BY ALL MODELS TO LIFT NEWD. THE AVN IS PREFERRED
ATTM SINCE COMPARISON WITH LAPS INDICATES THAT IT IS BETTER THAN NGM
AND ETA IN FCSTG THE SFC PRES FIELD OVR THE WRN CWA. THE AVN PROGD A
SFC LOW TO DVLP FM 00 TO 06 UTC OVR THE WRN CWA AND LAPS PRES PTNS
INDICATES SUCH. THUS EXPECT PCPN TO DVLP OVR THE WRN CWA TNGT.
WSR-88D IS BEGINNING TO INDICATE SUCH. AVN PROGS THE WRN CWA LOW TO
DMSH YET DRAGS THE SFC FNT INTO THE CWA SUN...AND KEEPS IT
QUASI-STATIONARY...WHICH WL ENHANCE CHANCE FOR SHOWERS AND
THUNDERSTORMS. SFC THETA-E VALUES ARE ALREADY GREATER THAN THAT
PROGD BY THE NGM/ETA/AVN. HIGH LOW LVL AND MID LVL MSTR WL LIKELY
RESULT IN COPIOUS RAINS OVR PTNS OF THE CWA SUN. NO CHGS TO CURRENT
PERIOD ATTM...HWR SUGGEST MENTION OF PSBL HVY RAIN IN THE ZNS FOR
SUN...AND CONSIDER PSBL ISSUANCE OF FFA.

87

Flash Flood Warnings in Texas, 1998Every flash flood warning in 1998

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.