Alert archive / Texas / Flash Flood Warnings in 1991

Flash Flood Warning 33, NWS Austin/San Antonio, TX

September 14, 1991Real County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Sep 14, 1991, 2:12 PM CDT for Real County, Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Sep 14, 1991, 2:12 PM CDT (19:12 UTC)
Expired
Sep 14, 1991, 6:00 PM CDT
In force
4 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 12:00Z, 7.2 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 12:00Z on 1991-09-14Temperature 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 12:00Z on 1991-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 square meters per square second.193958Sfc1 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
782 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
149 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 141913
FFWSAT
TXC385-142300-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
212 PM CDT SAT SEP 14 1991
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH TEXAS
          ...REAL
 
THE SHERIFF'S DEPARTMENT IN LEAKEY REPORTS THAT FLASH FLOODING HAS
CONTINUED ALONG FM 337 BETWEEN LEAKEY AND CAMP WOOD. THAT ROAD REMAINS
CLOSED DUE TO HIGH WATER. FLASH FLOODING HAS BECOME WORSE IN THE PAST
HOUR ALONG FM 335 BETWEEN VANCE AND SH 41. ALTHOUGH THE ROAD HAS
FLOODING AT 3 LOCATIONS...IT HAD BEEN PASSABLE UNTIL THE PAST HOUR. IT
IS EXPECTED TO BE CLOSED MOMENTARILY. BOTH ROADS ARE EXTREMELY
DANGEROUS AND SHOULD BE AVOIDED. FOR THIS REASON...THE NATIONAL
WEATHER SERVICE HAS EXTENDED THE WARNING ISSUED EARLIER THIS MORNING
FOR REAL COUNTY.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN
REPORTED.
 
REMEMBER...DEATHS DURING FLASH FLOODING ARE FREQUENTLY RELATED TO
MOTORISTS DRIVING INTO FLOODED LOW WATER CROSSINGS OR FROM CHILDREN
PLAYING NEAR FLOODED STREAMS OR DRAINAGE AREAS.
 
PLEASE LISTEN TO YOUR LOCAL RADIO...TV OR NOAA WEATHER RADIO STATION
FOR LATER STATEMENTS OR WARNINGS REGARDING THIS SEVERE 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 14, 12:14 PM CDT, 1 hour 58 minutes before
TXZ034>036-141830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
1210 PM CDT SAT SEP 14 1991

...SHOWERS AND THUNDERSTORM SOME WITH BRIEF HEAVY RAIN BECOMING MORE
   NUMEROUS OVER CENTRAL TEXAS...

AT 12 PM CDT RADAR SHOWED SHOWERS AND A FEW THUNDERSTOMS SOME WITH
BRIEF HEAVY RAIN FROM SAN ANTONIO TO LULING NORTHWARD THROUGH JOHNSON
CITY...AUSTIN...GEORGETOWN...BURNET AND TEMPLE.

THE HEAVIER RAIN AREAS WERE NOTED OVER LAKE TRAVIS...JUST SOUTH OF
SAN MARCOS AND EAST OF LOCKHART.

MOVEMENT OF THE RAIN WAS TO THE NORTH AT 15 MPH.

RESIDENTS IN CENTRAL TEXAS CAN EXPECT BRIEF HEAVY RAINS...GUSTY WINDS
AND DANGEROUS LIGHTNING AS THE THUNDERSTORMS MOVE THROUGH THE AREA
THIS AFTERNOON.

SHOWERS AND THUNDERSTORMS WILL TO CONTINUE TO DEVELOP WITH THE
ABUNDANCE OF TROPICAL MOISTURE IN PLACE COMBINED WITH AFTERNOON
HEATING.

PERSONS PLANNING OUTDOOR ACTIVIES...ESPECIALLY THOSE ON AREA LAKES
SHOULD WATCH FOR RAPIDLY CHANGING WEATHER CONDITIONS AND SEEK SAFE
GROUND WHEN A STORM APPROCHES.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER INFORMATION.

LUNA

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 14, 1:20 AM CDTFlash Flood WarningEWXVal Verde3 hr
Sep 14, 9:07 AM CDTFlash Flood WarningEWXReal5 hr

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.