Alert archive / Texas / Flash Flood Warnings in 1994

Flash Flood Warning 21, NWS Austin/San Antonio, TX

September 8, 1994Val Verde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Sep 8, 1994, 10:10 AM CDT for Val Verde County, Texas. It was in force for 110 min.

The area

The counties it named.

The facts

Issued
Sep 8, 1994, 10:10 AM CDT (15:10 UTC)
Expired
Sep 8, 1994, 12:00 PM CDT
In force
110 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Val Verde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 3.2 hours before the alert went out and 66 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 1994-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1642 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 1994-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 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
1642 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
829 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
222 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 KDRT 081514
FFWDRT
TXC465-081600-

BULLETIN - EBS ACTIVITATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DEL RIO TX
1010 AM CDT THU SEP 8 1994

THE NATIONAL WEATHER SERVICE HAS CANCELLED FLASH FLOOD WARNING THAT WAS
EFFECTIVE UNTIL 1200 PM  FOR PEOPLE IN THE FOLLOWING COUNTY IN

SOUTHCENTRAL TEXAS...VAL VERDE.

AT 1015 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IN BRACKETVILLE
INDICATED SHOWERS AND THUNDERSTORMS HAVE DECREASED OVER VAL VERDE
COUNTY...ALTHOUGH ANOTHER AREA OVER EDWARD COUNTY IS MOVING SOUTHEAST
AT 35 MILES. THIS AREA WILL LIKELY MOVE INTO PORTIONS OF VAL VERDE
COUNTY LATER.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV OR RADIO FOR FURTHER
DETAILS AS THEY DEVELOP.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 7:40 PM CDTFlash Flood WarningEWXKerr3 hr
Sep 8, 6:15 AM CDTSevere Thunderstorm WarningEWXTravis, Williamson31 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.