Alert archive / Texas / Flash Flood Warnings in 1994

Flash Flood Warning 20, NWS Austin/San Antonio, TX

September 7, 1994Kerr County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Sep 7, 1994, 7:40 PM CDT for Kerr County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Sep 7, 1994, 7:40 PM CDT (00:40 UTC)
Expired
Sep 7, 1994, 10:45 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Kerr County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 0.7 hours before the alert went out and 163 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 1994-09-08Temperature 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 1994-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -26 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
3066 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
16 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 080040
FFWSAT
TXC265-080345-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
740 PM CDT WED SEP 7 1994
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1045 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH TEXAS
 
   ...KERR COUNTY
 
...AT 735 PM NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED VERY HEAVY
RAIN IN KERR COUNTY. THE HEAVIEST RAINS WERE NEAR THE CITY OF KERRVILLE
AND IN THE WESTERN PART OF KERR COUNTY NEAR CAMP STEWARD.
 
SOME AREAS IN THE IN THE WESTERN PART OF KERR COUNTY HAVE TOTALED 4
INCHES OF RAIN WITH DOPPLER RADAR SHOWING ESTIMATED AMOUNTS AS HIGH AS 6
INCHES IN EXTREME NORTHERN KERR COUNTY.
 
CAMPERS AND SWIMMERS SHOULD MOVE TO HIGHER GROUND IMMEDIATELY.
 
RAIN WILL LIKELY CONTINUE OVER KERR COUNTY UNTIL 10 PM.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS OBSERVED
ACT QUICKLY.  MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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 7, 5:45 PM CDT, 1 hour 55 minutes before
TXZ184>189-204>206-080000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
545 PM CDT WED SEP 7 1994

...STRONG SHOWERS AND THUNDERSTORMSHAVE DEVELOPED OVER THE HILL COUNTRY...

AT 540 PM THE LEADING EDGE OF SHOWERS AND THUNDERSTORMS WAS LOCATED FROM
NORTH OF LEAKY NORTHEAST TO FREDRICKSBURG.  THE STRONGER STORMS WERE
LOCATED JUST NORTH OF BOERNE AND FROM NORTHERN REAL COUNTY INTO NORTHWESTERN
KERR COUNTY.  MOVEMENT WAS SLOWLY TO THE NORTHEAST.

PEOPLE IN THE PATH OF THESE STORMS CAN EXPECT HEAVY RAIN...DANGEROUS
LIGHTNING AND GUSTY WINDS.  LOCALIZED FLOODING OF LOW WATER CROSSINGS IS
POSSIBLE WITH THESE STORMS.
Special weather statement, Sep 7, 5:46 PM CDT, 1 hour 54 minutes before
TXZ184>189-204>206-080000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
545 PM CDT WED SEP 7 1994

...STRONG SHOWERS AND THUNDERSTORMSHAVE DEVELOPED OVER THE HILL COUNTRY...

AT 540 PM THE LEADING EDGE OF SHOWERS AND THUNDERSTORMS WAS LOCATED FROM
NORTH OF LEAKY NORTHEAST TO FREDRICKSBURG.  THE STRONGER STORMS WERE
LOCATED JUST NORTH OF BOERNE AND FROM NORTHERN REAL COUNTY INTO NORTHWESTERN
KERR COUNTY.  MOVEMENT WAS SLOWLY TO THE NORTHEAST.

PEOPLE IN THE PATH OF THESE STORMS CAN EXPECT HEAVY RAIN...DANGEROUS
LIGHTNING AND GUSTY WINDS.  LOCALIZED FLOODING OF LOW WATER CROSSINGS IS
POSSIBLE WITH THESE STORMS.
Special weather statement, Sep 7, 6:22 PM CDT, 1 hour 18 minutes before
TXZ187-205-184-189-186-204-185-203-080130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
622 PM CDT WED SEP 7 1994

...STRONG THUNDERSTORMS WITH VERY HEAVY RAINS IN KENDALL...KERR AND
BANDERA COUNTIES...

...AT 617 PM THUNDERSTORMS WITH HEAVY RAIN WERE FROM BOERNE TO BANDERA
WEST TO KERRVILLE....VANDERPOOL AND JUNCTION.  THE STRONGEST STORMS WERE
JUST EAST OF BANDERA AND WEST OF KERRVILLE.  MOVEMENT OF THE
PRECIPITATION WAS TOWARD THE EAST AT 10 MPH.

THE STRONGEST THUNDERSTORMS WILL PRODUCE RAINFALL RATES UP TO 2 INCHES
PER HOUR...FREQUENT DANGEROUS LIGHTNING...GUSTY WINDS UP TO 40 MPH AND
FLOODING OF LOW-WATER CROSSINGS.

THE THUNDERSTORM ACTIVITY WILL CONTINUE TO AFFECT KERR...KENDELL AND
BANDERA COUNTIES AND MAY AFFECT THE SURROUNDING COUNTIES UNTIL 9 PM.

KEEP UP WITH THE LATEST WEATHER DEVELOPMENTS BY LISTENING TO NOAA
WEATHER RADIO.

LUNA
Special weather statement, Sep 7, 6:23 PM CDT, 1 hour 17 minutes before
TXZ187-205-184-189-186-204-185-203-080130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
622 PM CDT WED SEP 7 1994

...STRONG THUNDERSTORMS WITH VERY HEAVY RAINS IN KENDALL...KERR AND
BANDERA COUNTIES...

...AT 617 PM THUNDERSTORMS WITH HEAVY RAIN WERE FROM BOERNE TO BANDERA
WEST TO KERRVILLE....VANDERPOOL AND JUNCTION.  THE STRONGEST STORMS WERE
JUST EAST OF BANDERA AND WEST OF KERRVILLE.  MOVEMENT OF THE
PRECIPITATION WAS TOWARD THE EAST AT 10 MPH.

THE STRONGEST THUNDERSTORMS WILL PRODUCE RAINFALL RATES UP TO 2 INCHES
PER HOUR...FREQUENT DANGEROUS LIGHTNING...GUSTY WINDS UP TO 40 MPH AND
FLOODING OF LOW-WATER CROSSINGS.

THE THUNDERSTORM ACTIVITY WILL CONTINUE TO AFFECT KERR...KENDELL AND
BANDERA COUNTIES AND MAY AFFECT THE SURROUNDING COUNTIES UNTIL 9 PM.

KEEP UP WITH THE LATEST WEATHER DEVELOPMENTS BY LISTENING TO NOAA
WEATHER RADIO.

LUNA
Special weather statement, Sep 7, 6:39 PM CDT, 1 hour 1 minute before
TXZ188-080045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
639 PM CDT WED SEP 7 1994

...STRONG THUNDERSTORMS MOVE ACROSS THE HILL COUNTRY...

AT 636 PM...THUNDERSTORMS WITH VERY HEAVY RAIN WERE NORTHWEST OF
KERRVILLE IN SOUTHWEST GILLESPIE COUNTY...MOVING EAST AT 10 MILES
AN HOUR.  THESE STORMS WILL SPREAD INTO WESTERN GILLESPIE COUNTY
AND PRODUCE HEAVY RAIN IN SOME AREAS.

PEOPLE IN WESTERN GILLESPIE COUNTY SHOULD PREPARE FOR HEAVY RAIN...
DANGEROUS LIGHTNING AND GUSTY WIND.  DELUGES OF RAIN MAY CAUSE
LOCALIZED FLOODING OF LOW WATER CROSSING AND LOW SPOTS IN ROADS.
PEEK
Special weather statement, Sep 7, 7:25 PM CDT, 15 minutes before
TXZ155-171-188-080130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
725 PM CDT WED SEP 7 1994

...STRONG THUNDERSTORMS CONTINUE OVER THE HILL COUNTRY...

AT 715 PM...STRONG THUNDERSTORMS WERE WEST THROUGH NORTHWEST OF LLANO
AND WEST OF FREDERICKSBURG NEAR HARPER.  MOVEMENT WAS EAST AT 15 MILES
AN HOUR.

SHORTLY AFTER 7 PM...THE HILL COUNTRY HAM RADIO WEATHER NET REPORTED
BETWEEN 2 AND 2 1/2 INCHES OF RAIN IN 45 MINUTES AT INTERSTATE 10 AND
FM ROAD 479...THIS IS LOCATED IN THE SOUTHWEST CORNER OF GILLESPIE
COUNTY.

PEOPLE IN LLANO...EXTREME SOUTHERN SAN SABA AND WESTERN GILLESPIE
COUNTIES SHOULD REMAIN ALERT TO STRONG THUNDERSTORMS WITH HEAVY RAIN.
PEEK

&

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 8, 6:15 AM CDTSevere Thunderstorm WarningEWXTravis, Williamson31 min
Sep 8, 10:10 AM CDTFlash Flood WarningEWXVal Verde110 min

Nearby

Flash Flood Warnings in Texas, 1994Every flash flood warning in 1994

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.