Alert archive / Texas / Flash Flood Warnings in 2015

Flash Flood Warning 86, NWS Austin/San Antonio, TX

May 25, 20155 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 25, 2015, 7:52 PM CDT for 5 counties in Texas. It was in force for 4 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
May 25, 2015, 7:52 PM CDT (00:52 UTC)
Expired
May 26, 2015, 12:15 AM CDT
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Emergency
Flash flood emergency
Flood severity
None

Counties Bastrop County, TX, Caldwell County, TX, Lee County, TX, Travis County, TX, Williamson County, TX

The radar

The Ft Hood radar (KGRK), 55 km from the middle of the area, began a volume at 00:52 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

Corpus Christi, TX (KCRP), launched 00:00Z, 0.9 hours before the alert went out and 278 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, Corpus Christi, TX at 00:00Z on 2015-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3543 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, Corpus Christi, TX at 00:00Z on 2015-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 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
3543 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
843 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
2.3
Supercell composite
11.7

Open this sounding in Storm Lab

The text

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

830 
WGUS54 KEWX 260052
FFWEWX
TXC021-055-287-453-491-260515-
/O.NEW.KEWX.FF.W.0086.150526T0052Z-150526T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
752 PM CDT MON MAY 25 2015

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CALDWELL COUNTY IN SOUTH CENTRAL TEXAS...
  TRAVIS COUNTY IN SOUTH CENTRAL TEXAS...
  BASTROP COUNTY IN SOUTH CENTRAL TEXAS...
  WILLIAMSON COUNTY IN SOUTH CENTRAL TEXAS...
  LEE COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 1215 AM CDT

* AT 751 PM CDT...EMERGENCY MANAGEMENT REPORTED AREAS OF FLASH 
  FLOODING ACROSS THE WARNED COUNTIES. FLASH FLOODING IS ALREADY 
  OCCURRING AND WILL CONTINUE THROUGH 1215 AM CDT.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  AUSTIN...ROUND ROCK...CEDAR PARK...GEORGETOWN...PFLUGERVILLE...SAN
  MARCOS...TAYLOR...LOCKHART...ELGIN...BASTROP...LULING...GIDDINGS...
  SMITHVILLE...GRANGER...LEXINGTON...TANGLEWOOD FOREST...ANDERSON
  MILL...WINDEMERE...SERENADA AND AUSTIN BERGSTROM INT AP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT
TO FLOODING WHEN WATER BEGINS RISING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3011 9685 3004 9702 3005 9703 2978 9732
      2963 9760 2969 9774 2978 9783 2984 9785
      2986 9790 3003 9771 3036 9817 3079 9796
      3091 9781 3087 9762 3074 9727 3046 9715
      3056 9696 3054 9692 3032 9674 3029 9664

$$

ZEITLER
3 follow-up statements
860 
WGUS74 KEWX 260056
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
756 PM CDT MON MAY 25 2015

TXC021-055-287-453-491-260515-
/O.CON.KEWX.FF.W.0086.000000T0000Z-150526T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALDWELL TX-TRAVIS TX-BASTROP TX-WILLIAMSON TX-LEE TX-
756 PM CDT MON MAY 25 2015

...THIS IS A FLASH FLOOD EMERGENCY TAKE ACTION NOW!...

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR
CALDWELL...TRAVIS...BASTROP...WILLIAMSON AND LEE COUNTIES...

AT 755 PM CDT...EMERGENCY MANAGEMENT REPORTED AREAS OF FLOODING IN 
ALL OF THE COUNTIES IN THE WARNING. THIS FLOODING WILL CONTINUE 
THROUGH 1215 AM CDT. 
 
THIS IS A FLASH FLOOD EMERGENCY! SEEK HIGHER GROUND NOW!

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
AUSTIN...ROUND ROCK...CEDAR PARK...GEORGETOWN...PFLUGERVILLE...SAN
MARCOS...TAYLOR...LOCKHART...ELGIN...BASTROP...LULING...GIDDINGS...
SMITHVILLE...GRANGER...LEXINGTON...TANGLEWOOD FOREST...ANDERSON
MILL...WINDEMERE...SERENADA AND AUSTIN BERGSTROM INT AP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. THIS IS AN EXTREMELY DANGEROUS AND LIFE
THREATENING SITUATION. DO NOT ATTEMPT TO TRAVEL UNLESS YOU ARE
FLEEING AN AREA SUBJECT TO FLOODING OR UNDER AN EVACUATION ORDER.

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3011 9685 3004 9702 3005 9703 2978 9732
      2963 9760 2969 9774 2978 9783 2984 9785
      2986 9790 3003 9771 3036 9817 3079 9796
      3091 9781 3087 9762 3074 9727 3046 9715
      3056 9696 3054 9692 3032 9674 3029 9664

$$

ZEITLER
530 
WGUS74 KEWX 260146
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
846 PM CDT MON MAY 25 2015

TXC021-055-287-453-491-260515-
/O.CON.KEWX.FF.W.0086.000000T0000Z-150526T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALDWELL TX-TRAVIS TX-BASTROP TX-WILLIAMSON TX-LEE TX-
846 PM CDT MON MAY 25 2015

...THIS IS A FLASH FLOOD EMERGENCY ACT QUICKLY NOW...

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR
CALDWELL...SOUTHEASTERN TRAVIS...BASTROP...EASTERN WILLIAMSON AND LEE
COUNTIES...

AT 843 PM CDT...EMERGENCY MANAGEMENT REPORT FLASH FLOODING ONGOING 
IN THE WARNED AREAS. WATERS WILL RECEDE OVER THE NEXT FEW HOURS.

THIS IS A FLASH FLOOD EMERGENCY! SEEK HIGHER GROUND NOW!

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... 
TAYLOR...LOCKHART...ELGIN...BASTROP...LULING... 
GIDDINGS...SMITHVILLE...LEXINGTON...MARTINDALE...UHLAND...MUSTANG 
RIDGE...THRALL...NIEDERWALD...COUPLAND...FEDOR...ROSANKY...PAIGE... 
CEDAR CREEK AND CIRCLE D-KC ESTATE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. THIS IS AN EXTREMELY DANGEROUS AND LIFE
THREATENING SITUATION. DO NOT ATTEMPT TO TRAVEL UNLESS YOU ARE
FLEEING AN AREA SUBJECT TO FLOODING OR UNDER AN EVACUATION ORDER.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3011 9685 3004 9702 3005 9703 2978 9732
      2963 9760 2969 9774 2978 9783 2984 9785
      2986 9790 3003 9771 3011 9782 3016 9761
      3036 9750 3079 9741 3074 9727 3046 9715
      3056 9696 3054 9692 3032 9674 3029 9664

$$

ZEITLER
905 
WGUS74 KEWX 260525
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1225 AM CDT TUE MAY 26 2015

TXC021-055-287-453-491-260532-
/O.EXP.KEWX.FF.W.0086.000000T0000Z-150526T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALDWELL TX-TRAVIS TX-BASTROP TX-WILLIAMSON TX-LEE TX-
1225 AM CDT TUE MAY 26 2015

...THE FLASH FLOOD WARNING FOR CALDWELL...SOUTHEASTERN TRAVIS...
BASTROP...EASTERN WILLIAMSON AND LEE COUNTIES HAS EXPIRED...

THE RAINS HAVE ENDED...AND FLASH FLOODING IS NO LONGER EXPECTED TO 
POSE A THREAT TO LIFE OR PROPERTY. HOWEVER...NUMEROUS SMALL STREAMS 
REMAIN IN FLOOD FROM RAINS UP TO 7 INCHES THAT FELL ON MEMORIAL DAY. 
THE SMALL STREAMS WILL REMAIN IN FLOOD FOR THE NEXT FEW HOURS. THIS 
IS IN ADDITION TO THE ONGOING RIVER FLOODING FROM RAINS OVER THE 
LAST SEVERAL DAYS. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES.

LAT...LON 3011 9685 3004 9702 3005 9703 2978 9732
      2963 9760 2969 9774 2978 9783 2984 9785
      2986 9790 3003 9771 3011 9782 3016 9761
      3036 9750 3079 9741 3074 9727 3046 9715
      3056 9696 3054 9692 3032 9674 3029 9664

$$

CP

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 7:14 PM CDTTornado WarningEWXFayette10 min
May 25, 7:21 PM CDTTornado WarningEWXGonzales, Karnes, Wilson24 min
May 25, 7:27 PM CDTRiver Flood WarningEWXTravis19 hr
May 25, 7:27 PM CDTRiver Flood WarningEWXBastrop46 hr
May 25, 7:30 PM CDTSevere Thunderstorm WarningEWXDeWitt, Fayette, Gonzales, Karnes, Lavaca, Wilson60 min
May 25, 8:10 PM CDTTornado WarningEWXDeWitt, Karnes35 min
May 25, 8:35 PM CDTSevere Thunderstorm WarningEWXDeWitt, Gonzales, Lavaca55 min
May 25, 8:36 PM CDTFlash Flood WarningEWXDeWitt, Karnes, Lavaca3 hr
May 25, 8:59 PM CDTRiver Flood WarningEWXBastrop, Fayette58 hr
May 25, 8:59 PM CDTRiver Flood WarningEWXFayette71 hr
May 25, 9:03 PM CDTTornado WarningEWXDeWitt, Karnes42 min
May 25, 9:19 PM CDTSevere Thunderstorm WarningEWXDeWitt, Karnes56 min
May 25, 9:27 PM CDTSevere Thunderstorm WarningEWXDeWitt, Lavaca48 min
May 25, 9:33 PM CDTRiver Flood WarningEWXDeWitt4 days
May 25, 10:16 PM CDTSpecial Weather StatementEWXDeWitt44 min
May 25, 11:38 PM CDTAreal Flood AdvisoryEWXDeWitt, Karnes, Lavaca3 hr
May 25, 11:54 PM CDTAreal Flood AdvisoryEWXBlanco, Comal, Hays, Kendall3 hr
May 26, 12:03 AM CDTSpecial Weather StatementEWXHays57 min
May 26, 4:10 AM CDTAreal Flood AdvisoryEWXBastrop, Fayette3 hr
May 26, 4:50 AM CDTFlash Flood WarningEWXFayette3 hr

Nearby

Flash Flood Warnings in Texas, 2015Every flash flood warning in 2015

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.