Alert archive / Texas / Flash Flood Warnings in 2014

Flash Flood Warning 13, NWS Austin/San Antonio, TX

May 26, 20147 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 26, 2014, 11:20 AM CDT for 7 counties in Texas. It was in force for 4 hr. 6 reports 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
May 26, 2014, 11:20 AM CDT (16:20 UTC)
Expired
May 26, 2014, 3:15 PM CDT
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Flood severity
None

Counties Bandera County, TX, Bexar County, TX, Blanco County, TX, Comal County, TX, Kendall County, TX, Medina County, TX, Uvalde County, TX

The radar

The Austin/San Antonio radar (KEWX), 96 km from the middle of the area, began a volume at 16:20 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

TimeReportWhereRemark
May 26, 11:28 AM CDTFLASH FLOODN Leon Valley, TXSEVERAL LOW WATER CROSSING... FLOODED. HUEBNER CREEK.
May 26, 11:28 AM CDTHEAVY RAIN 2.562 S Spring Branch, TX2.56 INCHES OF RAINFALL IN THE PAST 2.5 HOURS.
May 26, 11:30 AM CDTHEAVY RAIN 4.422 W Utopia, TX4.42 INCHES OF RAINFALL IN THE PAST 2.5 HOURS.
May 26, 11:47 AM CDTFLASH FLOOD3 Nnw Lackland Afb, TXLOW WATER CROSSING AT HWY 151 AND LOOP 410 UNDERPASS CLOSED AND HIGH WATER RESCUES IN PROGRESS.
May 26, 12:05 PM CDTHEAVY RAIN 2.852 Wsw Grey Forest, TX2.85 INCHES OF RAINFALL.
May 26, 12:10 PM CDTFLASH FLOODLeon Valley, TXLEON VALLEY PARK AT EVERS ROAD FLOODED.

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 (KDLF), launched 12:00Z, 4.3 hours before the alert went out and 178 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 2014-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 416 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 2014-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 298 square meters per square second.19395878Sfc1 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
416 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
298 m²/s²
0-3 km storm-relative helicity
372 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.1

Open this sounding in Storm Lab

The text

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

243 
WGUS54 KEWX 261620
FFWEWX
TXC019-029-031-091-259-325-463-262015-
/O.NEW.KEWX.FF.W.0013.140526T1620Z-140526T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1120 AM CDT MON MAY 26 2014

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN BANDERA COUNTY...
  NORTHWESTERN BEXAR COUNTY...
  EXTREME SOUTH CENTRAL BLANCO COUNTY...
  WESTERN COMAL COUNTY...
  SOUTHERN KENDALL COUNTY...
  NORTHERN MEDINA COUNTY...
  NORTHEASTERN UVALDE COUNTY...

* UNTIL 315 PM CDT

* AT 1111 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
  DETERMINED THAT RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  KREUTZBERG...BANDERA FALLS...TIMBERWOOD PARK...THE DOMINION...LEON
  SPRINGS...FAIR OAKS RANCH...CROSS MOUNTAIN...PIPE CREEK...SPRING
  BRANCH...SMITHSON VALLEY...GUADALUPE RIVER STATE PARK...BULVERDE
  AND BERGHEIM

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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. MOVE TO HIGHER GROUND.

&&

LAT...LON 2950 9961 2967 9960 2975 9898 2999 9834
      2991 9827 2934 9859 2930 9916

$$
1 follow-up statement
434 
WGUS74 KEWX 261659
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1159 AM CDT MON MAY 26 2014

TXC019-029-031-091-259-325-463-262015-
/O.CON.KEWX.FF.W.0013.000000T0000Z-140526T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KENDALL TX-MEDINA TX-UVALDE TX-BLANCO TX-BEXAR TX-BANDERA TX-COMAL 
TX-
1159 AM CDT MON MAY 26 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR
WESTERN COMAL...SOUTHERN BANDERA...NORTHWESTERN BEXAR...EXTREME SOUTH
CENTRAL BLANCO...NORTHEASTERN UVALDE...NORTHERN MEDINA AND SOUTHERN
KENDALL COUNTIES...

AT 1146 AM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT SLOW MOVING  
THUNDERSTORMS CAPABLE OF PRODUCING FLASH FLOODING GENERALLY ALONG 
AND 15 MILES EITHER SIDE OF A LINE FROM TARPLEY TO LEON SPRINGS TO 
GUADALUPE STATE PARK.  

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO KREUTZBERG...
BANDERA FALLS...TIMBERWOOD PARK...THE DOMINION...LEON SPRINGS...FAIR
OAKS RANCH...CROSS MOUNTAIN...PIPE CREEK...BANDERA...SPRING BRANCH...
SMITHSON VALLEY...GUADALUPE RIVER STATE PARK...BULVERDE...BOERNE AND 
BERGHEIM.

NUMEROUS PUBLIC REPORTS OF HEAVY RAINFALL AMOUNTS OF 2 TO 2 1/2 
INCHES HAVE BEEN RECEIVED SINCE 8 AM THIS MORNING ACROSS THE WARNING 
AREA. DOPPLER RADAR ESTIMATES SUGGEST THAT A FEW LOCATIONS MAY HAVE 
RECEIVED UP TO 4 INCHES DURING THIS PERIOD. THESE HEAVY RAINS WILL 
LIKELY COMBINE WITH EARLIER HEAVY RAINS RECEIVED WITHIN THE PAST 24 
HOURS TO PRODUCE FLOODING OF NORMALLY DRY WASHES AS WELL AS SOME 
LARGER CREEKS AND STREAMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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. MOVE TO HIGHER GROUND.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

&&

LAT...LON 2950 9961 2967 9960 2975 9898 2999 9834
      2991 9827 2934 9859 2930 9916

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 7:05 PM CDTAreal Flood AdvisoryEWXReal115 min
May 25, 7:19 PM CDTSpecial Weather StatementEWXKerr26 min
May 25, 7:38 PM CDTFlash Flood WarningEWXReal3 hr
May 25, 8:00 PM CDTSevere Thunderstorm WarningEWXKinney, Maverick, Uvalde, Zavala60 min
May 25, 8:07 PM CDTSpecial Weather StatementEWXReal23 min
May 25, 8:19 PM CDTSpecial Weather StatementEWXBandera26 min
May 25, 8:26 PM CDTAreal Flood AdvisoryEWXBandera, Kerr2 hr
May 25, 8:31 PM CDTAreal Flood AdvisoryEWXUvalde119 min
May 25, 8:42 PM CDTSpecial Weather StatementEWXKerr33 min
May 25, 8:58 PM CDTFlash Flood WarningEWXBandera, Kerr, Medina, Uvalde5 hr
May 25, 10:00 PM CDTSpecial Weather StatementEWXBandera30 min
May 25, 10:03 PM CDTSpecial Weather StatementEWXKinney27 min
May 25, 10:26 PM CDTSpecial Weather StatementEWXKinney34 min
May 25, 10:51 PM CDTAreal Flood AdvisoryEWXBandera, Bexar, Comal, Kendall, Kerr, Medina3 hr
May 25, 11:02 PM CDTRiver Flood WarningEWXBandera4 hr
May 25, 11:06 PM CDTAreal Flood AdvisoryEWXKinney, Maverick, Uvalde, Zavala114 min
May 25, 11:08 PM CDTSpecial Weather StatementEWXMaverick52 min
May 25, 11:22 PM CDTSpecial Weather StatementEWXUvalde23 min
May 26, 12:18 AM CDTSpecial Weather StatementEWXUvalde, Zavala57 min
May 26, 12:20 AM CDTSpecial Weather StatementEWXZavala55 min
May 26, 12:54 AM CDTSpecial Weather StatementEWXZavala66 min
May 26, 1:40 AM CDTRiver Flood WarningEWXKerr4 hr
May 26, 1:59 AM CDTAreal Flood AdvisoryEWXBandera, Kerr, Medina, Real, Uvalde3 hr
May 26, 2:28 AM CDTSpecial Weather StatementEWXFrio32 min
May 26, 2:37 AM CDTSevere Thunderstorm WarningEWXAtascosa, Frio53 min
May 26, 3:29 AM CDTSevere Thunderstorm WarningEWXAtascosa, Wilson46 min
May 26, 3:35 AM CDTAreal Flood AdvisoryEWXBexar115 min
May 26, 3:57 AM CDTSpecial Weather StatementEWXVal Verde48 min
May 26, 4:14 AM CDTSevere Thunderstorm WarningEWXAtascosa, Karnes, Wilson46 min
May 26, 4:43 AM CDTAreal Flood WarningEWXMedina3 hr
May 26, 4:55 AM CDTSevere Thunderstorm WarningEWXDeWitt, Gonzales, Karnes, Wilson50 min
May 26, 4:56 AM CDTSpecial Weather StatementEWXVal Verde49 min
May 26, 5:08 AM CDTAreal Flood AdvisoryEWXBandera, Kerr, Medina, Real, Uvalde112 min
May 26, 5:45 AM CDTSpecial Weather StatementEWXDeWitt45 min
May 26, 5:50 AM CDTSpecial Weather StatementEWXVal Verde40 min
May 26, 6:08 AM CDTSevere Thunderstorm WarningEWXDeWitt, Karnes52 min
May 26, 6:28 AM CDTSpecial Weather StatementEWXEdwards47 min
May 26, 6:55 AM CDTSevere Thunderstorm WarningEWXDeWitt50 min
May 26, 7:13 AM CDTSpecial Weather StatementEWXEdwards47 min
May 26, 8:07 AM CDTAreal Flood AdvisoryEWXDeWitt113 min
May 26, 8:40 AM CDTAreal Flood AdvisoryEWXBandera, Kerr, Real, Uvalde3 hr
May 26, 9:17 AM CDTAreal Flood AdvisoryEWXBandera, Gillespie, Kerr, Llano3 hr
May 26, 9:44 AM CDTSpecial Weather StatementEWXMedina61 min
May 26, 9:54 AM CDTSevere Thunderstorm WarningEWXBandera, Medina51 min
May 26, 10:10 AM CDTSpecial Weather StatementEWXBurnet50 min
May 26, 10:16 AM CDTSpecial Weather StatementEWXComal44 min
May 26, 11:01 AM CDTSpecial Weather StatementEWXBexar59 min
May 26, 11:10 AM CDTSpecial Weather StatementEWXTravis50 min
May 26, 11:48 AM CDTSpecial Weather StatementEWXLee42 min
May 26, 12:06 PM CDTSpecial Weather StatementEWXWilson39 min
May 26, 12:55 PM CDTSpecial Weather StatementEWXKarnes50 min
May 26, 1:10 PM CDTAreal Flood AdvisoryEWXAtascosa, Bexar, Comal, Guadalupe, Wilson110 min
May 26, 1:36 PM CDTRiver Flood WarningEWXMedina7 hr
May 26, 2:39 PM CDTFlash Flood WarningEWXDeWitt, Karnes3 hr
May 26, 3:58 PM CDTFlash Flood WatchEWXBandera, Bastrop, Bexar, Blanco, Burnet, Caldwell and 19 more20 hr
May 26, 4:26 PM CDTRiver Flood WarningEWXUvalde4 hr

Nearby

Flash Flood Warnings in Texas, 2014Every flash flood warning in 2014

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.