Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 9, NWS Austin/San Antonio, TX

May 19, 2000Frio County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 19, 2000, 9:17 PM CDT for Frio County, Texas. It was in force for 103 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 19, 2000, 9:17 PM CDT (02:17 UTC)
Expired
May 19, 2000, 11:00 PM CDT
In force
103 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Frio County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 2.3 hours before the alert went out and 177 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 2000-05-20Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2000-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 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
620 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
379 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KEWX 200218
FFWEWX
TXC163-200400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
917 PM CDT FRI MAY 19 2000

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  FRIO COUNTY

* UNTIL 1100 PM CDT

AT 915 PM CDT...DOPPLER WEATHER RADAR INDICATED VERY HEAVY RAINS
CONTINUING...IN THE 1 TO 3 INCH PER HOUR RANGE...ACROSS MUCH OF FRIO
COUNTY...WITH THESE THUNDERSTORMS MOVING VERY SLOWLY TO THE EAST.

SMALL STREAMS AND CREEKS WILL BE OUT OF BANKS AND FLOODING LOWLYING
AREAS.  SOME SECONDARY ROADS AND CROSSINGS FLOOD....MAKING THEM VERY
DANGEROUS TO AUTOMOBILE TRAFFIC.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND
ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 7:00 PM CDTSevere Thunderstorm WarningEWXZavala60 min
May 19, 7:33 PM CDTTornado WarningEWXBexar, Medina42 min
May 19, 7:40 PM CDTSevere Thunderstorm WarningEWXFrio65 min
May 19, 7:55 PM CDTTornado WarningEWXWilson50 min
May 19, 8:11 PM CDTTornado WarningEWXBexar, Medina64 min
May 19, 8:43 PM CDTSevere Thunderstorm WarningEWXFrio62 min
May 19, 8:49 PM CDTSevere Thunderstorm WarningEWXGonzales56 min
May 19, 8:50 PM CDTFlash Flood WarningEWXBexar100 min
May 19, 10:55 PM CDTFlash Flood WarningEWXAtascosa2 hr

Nearby

Flash Flood Warnings in Texas, 2000Every flash flood warning in 2000

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.