Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 32, NWS Austin/San Antonio, TX

June 18, 20005 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 18, 2000, 5:15 PM CDT for 5 counties in Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Jun 18, 2000, 5:15 PM CDT (22:15 UTC)
Expired
Jun 18, 2000, 8:00 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Edwards County, TX, Kinney County, TX, Real County, TX, Uvalde County, TX, Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 49 km from the middle of the area, began a volume at 22:18 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, 10.3 hours before the alert went out and 57 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 2000-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 313 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2000-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
313 J/kg
Mixed-layer CIN
-138 J/kg
Mixed-layer LCL
1137 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
83 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 
WGUS54 KEWX 182220
FFWEWX
TXC137-271-385-463-465-190100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
515 PM CDT SUN JUN 18 2000

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  REAL COUNTY
  EDWARDS COUNTY
  KINNEY COUNTY
  UVALDE COUNTY
  VAL VERDE COUNTY

* UNTIL 800 PM CDT

* AT 515 PM CDT...RADAR INDICATED A BAND OF MODERATE TO HEAVY RAIN
MOVING NORTH ACROSS UVALDE COUNTY INTO REAL COUNTY AND ANOTHER BAND
ABOUT TO MOVE INTO KINNEY COUNTY AND THEN INTO VAL VERDE COUNTY.

LAW ENFORCEMENT REPORTS THAT THE FOLLOWING ROADS ARE CLOSED...IN VAL
VERDE COUNTY...STATE ROAD 163...IN EDWARDS COUNTY 674...2630 AND
2995...IN KINNEY COUNTY...674...IN REAL COUNTY...STATE ROAD 55.
IN EDWARDS COUNTY...55 NORTH AND 377 SOUTH HAVE REOPENED.

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 IMMINENT. IT IS
IMPORTANT TO KNOW WHERE YOU ARE RwELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID
CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.


LAT...LON 2946 10061 2930 9994 3006 9981 3024 10098

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 12:35 AM CDTFlash Flood WarningEWXVal Verde3 hr
Jun 18, 5:00 AM CDTFlash Flood WarningEWXVal Verde4 hr
Jun 18, 1:00 PM CDTFlash Flood WarningEWXEdwards, Kinney, Real, Uvalde, Val Verde4 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; radar from the NEXRAD Level II archive.