Alert archive / Texas / Flash Flood Warnings in 1991

Flash Flood Warning 39, NWS Austin/San Antonio, TX

September 19, 1991Real County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Sep 19, 1991, 8:01 PM CDT for Real County, Texas. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Sep 19, 1991, 8:01 PM CDT (01:01 UTC)
Expired
Sep 20, 1991, 2:00 AM CDT
In force
6 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Real County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 1.0 hours before the alert went out and 111 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 00:00Z on 1991-09-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Del Rio, TX at 00:00Z on 1991-09-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
669 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
175 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 
TTAA00 KSAT 200108
FFWSAT
TXC385-200700-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
801 PM CDT THU SEP 19 1991
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  200 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH TEXAS
          ...REAL
 
HONDO RADAR INDICATED THAT RAIN CONTINUES TO FALL OVER REAL COUNTY. RAINAMOUNTS OVER ONE INCH HAVE BEEN REPORTED NEAR LEAKEY AND ONE HALF INCH
AMOUNTS HAVE BEEN OBSERVED IN MANY AREAS SINCE NOON TODAY. HIGHWAY 336
NORTH OF LEAKEY HAS BEEN CLOSED AND DITCHES ALONG THE ROADSIDES OVER
MUCH OF REAL COUNTY ARE FULL OF WATER.
 
INDICATIONS ARE THAT RAINFALL OVER REAL COUNTY WILL CONTINUE FOR THE
REMAINDER OF THIS EVENING.  THE GROUND IS SATURATED AND ANY ADDITIONAL
RAINFALL WILL RUNOFF INTO ALREADY SWOLLEN RIVERS AND CREEKS WHICH COULDOVERFLOW AND CAUSE ADDITIONAL FLOOD PROBLEMS THIS EVENING AND INTO TONIG 
PERSONS IN REAL COUNTY SHOULD STAY INFORMED AND MOTORISTS EXPECIALLY
SHOULD EXERCISE CAUTION ESPECIALLY WHEN APPROACHING LOW LYING AREAS
AND LOW WATER CROSSINGS.
 
PLEASE LISTEN TO YOUR LOCAL RADIO...TV OR NOAA WEATHER RADIO STATION
FOR LATER STATEMENTS OR WARNINGS REGARDING THIS POTENTIALLY DANGEROUS
WEATHER EVENT.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Sep 19, 5:29 PM CDT, 2 hours 32 minutes before
TXZ034>035-192330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
525 PM CDT THU SEP 19 1991

...THE FLASH FLOOD WATCH FOR BURNET...LLANO...GILLISPIE AND BLANCO
COUNTIES IN NO LONGER IN EFF ECT...

ONLY SCATTERED MOSTLY LIGHT RAINS REMAIN OVER CENTRAL TEXAS AND THE
THREAT OF HEAVY RAINFALL HAS DIMINISHED ENDED.
Special weather statement, Sep 19, 5:30 PM CDT, 2 hours 31 minutes before
TXZ034>035-192330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
525 PM CDT THU SEP 19 1991

...THE FLASH FLOOD WATCH FOR BURNET...LLANO...GILLISPIE AND BLANCO
COUNTIES IN NO LONGER INR EFFECT...

ONLY SCATTERED MOSTLY LIGHT RAINS REMAIN OVER CENTRAL TEXAS AND THE
THREAT OF HEAVY RAINFALL HAS ENDED.
PJL

Nearby

Flash Flood Warnings in Texas, 1991Every flash flood warning in 1991

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.