Alert archive / Texas / Flash Flood Warnings in 2005

Flash Flood Warning 113, NWS Austin/San Antonio, TX

October 13, 2005Maverick County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Oct 13, 2005, 3:46 PM CDT for Maverick County, Texas. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Oct 13, 2005, 3:46 PM CDT (20:46 UTC)
Expired: Oct 13, 2005, 6:45 PM CDT
In force: 3 hr
Issued by: NWS Austin/San Antonio, TX
Area: Counties, with a storm outline in the text

County Maverick County, TX

The radar

The Laughlin AFB radar (KDFX), 81 km from the middle of the area, began a volume at 20:49 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.

What was reported inside it

Time	Report	Where	Remark
Oct 13, 3:50 PM CDT	FLOOD	20 N Eagle Pass, TX	HIGHWAY 131, HIGHWAY 277 NORTH, PLUS MANY SMALLER FARM TO MARKET ROARDS ARE CLOSED DUE TO WATER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 8.8 hours before the alert went out and 107 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1078 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 583 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: -34 m²/s²
0-3 km storm-relative helicity: 43 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KEWX 132051
FFWEWX
TXC323-132345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
346 PM CDT THU OCT 13 2005

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS EXTENDED THE

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

* UNTIL 645 PM CDT

* AT 338 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS OVER NORTHERN MAVERICK COUNTY.
  MOVEMENT IS NORTHEAST AT 15 MPH. THE HEAVIEST RAINFALL IS OCCURRING
  NORTH OF STATE HIGHWAY 57. RAINFALL RATES OF 1 TO 2 INCHES AN HOUR
  WERE BEING ESTIMATED BY RADAR. FLOODING WAS OCCURRING ACROSS THE
  NORTHWEST CORNER OF THE COUNTY.  THERE ARE ROAD CLOSURES ON 131
  AND HIGHWAY 277 NORTH OF EAGLE PASS. 

* THE STORMS PRODUCING VERY HEAVY RAIN WILL OTHERWISE REMAIN OVER
  OVER THE NORTHERN HALF OF THE COUNTY.

LAT...LON 2819 10026 2824 10012 2904 10016 2905 10062

$$

2 follow-up statements

000 
WGUS74 KEWX 132146
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
442 PM CDT THU OCT 13 2005

TXC323-132345-
MAVERICK TX-
442 PM CDT THU OCT 13 2005

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
MAVERICK COUNTY...

AT 430 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN OVER NORTHERN 
MAVERICK COUNTY.  ANOTHER CLUSTER OF THUNDERSTORMS WILL MOVE EAST 
INTO MAVERICK COUNTY, BRINGING WIDESPREAD 2 TO 4 INCHES OF RAIN TO 
THE COUNTY.  THIS IS A DANGEROUS SITUATION.

FLASH FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD DEATHS OCCUR 
IN AUTOMOBILES. 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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND. DO NOT STAY IN FLOOD PRONE AREAS.


REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.

LAT...LON 2819 10026 2824 10012 2904 10016 2905 10062

$$

000 
WGUS74 KEWX 132259
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
554 PM CDT THU OCT 13 2005

TXC323-132345-
MAVERICK TX-
554 PM CDT THU OCT 13 2005

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
MAVERICK COUNTY...

AT 547 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS MOVING EAST ACROSS THE RIO GRANDE INTO 
MAVERICK COUNTY PRODUCING VERY HEAVY RAIN FROM QUEMADO TO EL INDO.  
RAINFALL RATES ARE APPROACHING TWO INCHES AN HOUR OVER THE WESTERN 
HALF OF MAVERICK COUNTY.  THESE RAINS WILL SPREAD OVER MAVERICK 
COUNTY IN THE NEXT HALF HOUR.  THIS IS A DANGEROUS SITUATION.  AN 
ESTIMATED 4 INCHES OF RAIN HAS FALLEN OVER QUEMADO AND NORMANDY.  AN 
ADDITIONAL ONE TO TWO INCHES OF RAIN IS POSSIBLE. 

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

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND. DO NOT STAY IN FLOOD PRONE AREAS.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. 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.

REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.

LAT...LON 2819 10026 2824 10012 2904 10016 2905 10062

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 10:13 AM CDT	Flash Flood Warning	EWX	Val Verde	3 hr
Oct 13, 10:45 AM CDT	Flash Flood Warning	EWX	Kinney	3 hr
Oct 13, 11:34 AM CDT	Flash Flood Warning	EWX	Edwards	3 hr
Oct 13, 12:47 PM CDT	Flash Flood Warning	EWX	Kinney, Val Verde	3 hr
Oct 13, 1:33 PM CDT	Flash Flood Warning	EWX	Maverick	3 hr
Oct 13, 3:36 PM CDT	Flash Flood Warning	EWX	Kinney, Val Verde	3 hr
Oct 13, 4:38 PM CDT	Flash Flood Warning	EWX	Edwards, Real	4 hr
Oct 13, 6:19 PM CDT	Flash Flood Warning	EWX	Kinney, Maverick	3 hr

Nearby

Flash Flood Warnings in Texas, 2005 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.