Alert archive / Texas / Flash Flood Warnings in 1995

Flash Flood Warning 50, NWS Austin/San Antonio, TX

September 21, 1995Gillespie County, Kerr County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Sep 21, 1995, 9:07 AM CDT for Gillespie County, Kerr County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Sep 21, 1995, 9:07 AM CDT (14:07 UTC)
Expired
Sep 21, 1995, 11:15 AM CDT
In force
2 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Gillespie County, TX, Kerr County, TX

The radar

The Austin/San Antonio radar (KEWX), 121 km from the middle of the area, began a volume at 14:06 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.

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 2.1 hours before the alert went out and 187 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 1995-09-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 806 joules per kilogram.LCLLFCEL10008507005003002001001 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 1995-09-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
806 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
552 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
53 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 211409
FFWSAT
TXC171-265-211615-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
907 AM CDT THU SEP 21 1995
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1115 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...GILLESPIE COUNTY...KERR COUNTY
 
AT 905 AM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS FROM CAMP
WOOD NORTHEASTWARD TO MOUNTAIN HOME AND CHERRY SPRING. THESE
THUNDERSTORMS WERE PRODUCING RAINFALL RATES OF 1.5 INCHES AN HOUR.
MOVEMENT WAS TOWARDS THE EAST AND NORTHEAST AT 15 TO 20 MPH.
 
 
AVOID ALREADY FLOODED AREAS.  TRAVELERS SHOULD NOT ATTEMPT0 TO
CROSS FLOODED ROADS.  IF YOUR VEHICLE STALLS...LEAVE IT AND MOVE
IMMEDIATELY TO HIGHER GROUND.

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 21, 5:40 AM CDT, 3 hours 27 minutes before
TXZ171>173-183>194-202>209-217>225-228>230-239-221200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 AM CDT THU SEP 21 1995

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WATCH THIS
AFTERNOON AND TONIGHT FOR MOST OF THE TEXAS HILL COUNTRY...THE
EDWARDS PLATEAU AND A SMALL PORTION OF SOUTH CENTRAL TEXAS.

THIS WATCH MEANS FLOODING IS POSSIBLE WITHIN THE WATCH AREA.  HEAVY
RAIN MAY CAUSE THE RAPID RISE OF STREAMS AND RIVERS...FLOODING LOW
LYING AREAS AND LOW WATERS CROSSINGS.  OVER FLATTER TERRAIN THE RAINS
WILL CAUSE PONDING WHICH MAY FLOOD LOW LYING AREAS AND ROADWAYS.

RAINFALL OF 2 TO 4 INCHES WITH NEARLY 7 INCHES IN SOME LOCATIONS
OCCURRED OVER THE HILL COUNTRY AND NEARBY SOUTH CENTRAL TEXAS EARLY
TUESDAY NIGHT AND WEDNESDAY MORNING.  ADDITIONAL HEAVY RAIN MAY
DEVELOP LATE THIS AFTERNOON OR TONIGHT AS A STRONG COLD FRONT MOVES
SOUTHWARD ACROSS THE AREA TRIGGERING SCATTERED TO NUMEROUS SHOWERS
AND THUNDERSTORMS WITH VERY HEAVY RAIN.

RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL PRODUCE FLOODING OVER
AREAS ALREADY SOAKED FROM HEAVY RAINFALL OF PREVIOUS STORMS.  STORM
RAINFALL TOTALS COULD REACH 2 TO 4 INCHES OVER SOME AREAS TONIGHT
IF THIS RAIN SHOULD FALL IN A SHORT PERIOD OF TIME FLOODING AND
RUNOFF PROBLEMS WILL OCCUR.

THE HAZARDOUS WEATHER OUTLOOK IS NOT UPDATED.  ANY CHANGES IN THE
FORECAST WEATHER WILL BE ACCOMPLISHED THROUGH WATCHES...WARNINGS...
STATEMENTS AND/OR FORE0CAST PRODUCTS.
Special weather statement, Sep 21, 6:00 AM CDT, 3 hours 7 minutes before
TXZ171>173-183>194-202>209-217>225-228>230-239-221200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 AM CDT THU SEP 21 1995

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WATCH THIS
AFTERNOON AND TONIGHT FOR MOST OF THE TEXAS HILL COUNTRY...THE
EDWARDS PLATEAU AND A SMALL PORTION OF SOUTH CENTRAL TEXAS.

THIS WATCH MEANS FLOODING IS POSSIBLE WITHIN THE WATCH AREA.  HEAVY
RAIN MAY CAUSE THE RAPID RISE OF STREAMS AND RIVERS...FLOODING LOW
LYING AREAS AND LOW WATERS CROSSINGS.  OVER FLATTER TERRAIN THE RAINS
WILL CAUSE PONDING WHICH MAY FLOOD LOW LYING AREAS AND ROADWAYS.

RAINFALL OF 2 TO 4 INCHES WITH NEARLY 7 INCHES IN SOME LOCATIONS
OCCURRED OVER THE HILL COUNTRY AND NEARBY SOUTH CENTRAL TEXAS EARLY
TUESDAY NIGHT AND WEDNESDAY MORNING.  ADDITIONAL HEAVY RAIN MAY
DEVELOP LATE THIS AFTERNOON OR TONIGHT AS A STRONG COLD FRONT MOVES
SOUTHWARD ACROSS THE AREA TRIGGERING SCATTERED TO NUMEROUS SHOWERS
AND THUNDERSTORMS WITH VERY HEAVY RAIN.

RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL PRODUCE FLOODING OVER
AREAS ALREADY SOAKED FROM HEAVY RAINFALL OF PREVIOUS STORMS.  STORM
RAINFALL TOTALS COULD REACH 2 TO 4 INCHES OVER SOME AREAS TONIGHT
IF THIS RAIN SHOULD FALL IN A SHORT PERIOD OF TIME FLOODING AND
RUNOFF PROBLEMS WILL OCCUR.

THE HAZARDOUS WEATHER OUTLOOK IS NOT UPDATED.  ANY CHANGES IN THE
FORECAST WEATHER WILL BE ACCOMPLISHED THROUGH WATCHES...WARNINGS...
STATEMENTS AND/OR FORECAST PRODUCTS.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 21, 9:34 AM CDTFlash Flood WarningEWXBandera, Real3 hr
Sep 21, 11:17 AM CDTFlash Flood WarningEWXGillespie, Kerr103 min
Sep 21, 12:54 PM CDTFlash Flood WarningEWXBandera66 min
Sep 21, 4:42 PM CDTSevere Thunderstorm WarningEWXUvalde63 min

Nearby

Flash Flood Warnings in Texas, 1995Every flash flood warning in 1995

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; radar from the NEXRAD Level II archive.