Alert archive / Texas / Flash Flood Warnings in 2005

Flash Flood Warning 72, NWS Austin/San Antonio, TX

August 6, 2005Real County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Aug 6, 2005, 1:43 PM CDT for Real County, 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 as issued.

The facts

Issued
Aug 6, 2005, 1:43 PM CDT (18:43 UTC)
Expired
Aug 6, 2005, 4:45 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Real County, TX

The radar

The Laughlin AFB radar (KDFX), 72 km from the middle of the area, began a volume at 18:47 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, 6.7 hours before the alert went out and 105 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 2005-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1059 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 2005-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 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
1059 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
635 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
-7 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 061851
FFWEWX
TXC385-062145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
143 PM CDT SAT AUG 6 2005

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  REAL

* UNTIL 445 PM CDT

* AT 134 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN OVER NORTHWEST REAL COUNTY EAST OF FM335.

* THIS STORM IS STATIONARY WITH RAINFALL RATES OF 1 TO 1.5 INCHES
  PER HOUR. THIS RAIN IS FALLEN INTO THE EAST PRONG OF THE NUECES
  RIVER. 

HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND 
STREAMS...COUNTRY ROADS...AND FARMLAND ALONG THE BANKS OF CREEKS AND 
STREAMS.

LAT...LON 2970 10003 2970 9969 2997 9974 3001 9993

$$
3 follow-up statements
000 
WGUS74 KEWX 061935
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
232 PM CDT SAT AUG 6 2005

TXC385-062145-
REAL TX-
232 PM CDT SAT AUG 6 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 445 PM CDT FOR REAL
COUNTY...

AT 221 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN OVER THE WARNED
AREA.

RAINFALL RATES OF 1 TO 1.5 INCHES PER HOUR ARE FALLING OVER THE EAST 
PRONG OF THE NUECES RIVER. HEAVY RAINFALL WILL CAUSE FLOODING OF 
SMALL CREEKS AND STREAMS...COUNTRY ROADS...AND FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS.

FLASH FLOODING IS OCCURRING OR IS IMMINENT. DO NOT ATTEMPT TO CROSS 
WATER COVERED AREAS. A LITTLE OVER A FOOT OF WATER CAN CARRY AWAY 
MOST CARS AND TRUCKS. TURN AROUND DONT DROWN.


LAT...LON 2970 10003 2970 9969 2997 9974 3001 9993

$$
000 
WGUS74 KEWX 062030
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
330 PM CDT SAT AUG 6 2005

TXC385-062145-
REAL TX-
330 PM CDT SAT AUG 6 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 445 PM CDT FOR REAL
COUNTY...

AT 330 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER REAL COUNTY.

ADDITIONAL THUNDERSTORMS ARE DEVELOPING ACROSS THE COUNTRY WITH 
RAINFALL AMOUNTS OF 1 TO 1.5 INCHES LOCATED OVER HIGHWAY 83 AND 
FM337 AND NEAR THE TOWN OF LEAKEY. HEAVY RAINS WILL CAUSE FLOODING 
OF SMALL CREEKS AND STREAMS...COUNTY ROAD.

FLASH FLOODING IS OCCURRING OR IS IMMINENT. DO NOT ATTEMPT TO CROSS 
WATER COVERED AREAS. A LITTLE OVER A FOOT OF WATER CAN CARRY AWAY 
MOST CARS AND TRUCKS. TURN AROUND DONT DROWN.

LAT...LON 2970 10003 2970 9969 2997 9974 3001 9993

$$
000 
WGUS74 KEWX 062148
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
446 PM CDT SAT AUG 6 2005

TXC385-062156-
REAL TX-
446 PM CDT SAT AUG 6 2005

...THE FLASH FLOOD WARNING FOR REAL COUNTY EXPIRED AT 445 PM CDT...

ONLY LIGHT TO MODERATE RAINFALL CONTINUES ACROSS REAL COUNTY. 
RESIDENTS AND MOTORISTS SHOULD REMAIN ALERT FOR WATER THAT IS 
DRAINING FROM EARLIER STORMS. CREEKS AND STREAMS MAY STILL BE 
FLOWING RAPIDLY AND SHOULD NOT BE CROSSED. LOW WATER CROSSING MAY 
ALSO STILL BE FLOODED. TURN AROUND DONT DROWN.

LAT...LON 2970 10003 2970 9969 2997 9974 3001 9993

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 5:18 AM CDTFlash Flood WarningEWXVal Verde3 hr
Aug 6, 6:30 AM CDTFlash Flood WarningEWXKinney3 hr
Aug 6, 7:49 AM CDTFlash Flood WarningEWXVal Verde101 min

Nearby

Flash Flood Warnings in Texas, 2005Every flash flood warning in 2005

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.