Alert archive / Texas / Flash Flood Warnings in 2013

Flash Flood Warning 7, NWS Austin/San Antonio, TX

May 24, 2013Real County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 24, 2013, 5:01 AM CDT for Real 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
May 24, 2013, 5:01 AM CDT (10:01 UTC)
Expired
May 24, 2013, 8:00 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Flood severity
None

County Real County, TX

The radar

The Laughlin AFB radar (KDFX), 84 km from the middle of the area, began a volume at 10:00 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 24, 6:16 AM CDTFLASH FLOOD15 N Leakey, TXRANCH ROAD 336 BETWEEN 83 AND FM3235 CLOSED DUE TO HIGH 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 00:00Z, 10.0 hours before the alert went out and 118 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 00:00Z on 2013-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2671 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 00:00Z on 2013-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -69 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
2671 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1794 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-69 m²/s²
0-3 km storm-relative helicity
3 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.

879 
WGUS54 KEWX 241001
FFWEWX
TXC385-241300-
/O.NEW.KEWX.FF.W.0007.130524T1001Z-130524T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
501 AM CDT FRI MAY 24 2013

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  REAL COUNTY...

* UNTIL 800 AM CDT.

* AT 458 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
  DETERMINED THAT RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE SLOW
  MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS MOST OF REAL  
  COUNTY. STORM TOTALS RANGE FROM 2 TO 4 INCHES...ESPECIALLY BETWEEN 
  PRADE RANCH AND LEAKEY...WITH DOPPLER RADAR INDICATING AN          
  ADDITIONAL ONE TO TWO INCHES OF RAINFALL POSSIBLE WITHIN THE       
  NEXT SEVERAL HOURS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...     
  LEAKEY AND TUFF AND PRADE RANCH.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN WATER COVERS THE ROAD...TURN AROUND DON'T DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.

&&

LAT...LON 2988 9963 2965 9962 2965 9998 2999 9997
      3005 9994 3006 9971 2990 9971

$$
2 follow-up statements
436 
WGUS74 KEWX 241036
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
536 AM CDT FRI MAY 24 2013

TXC385-241300-
/O.CON.KEWX.FF.W.0007.000000T0000Z-130524T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
REAL TX-
536 AM CDT FRI MAY 24 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR REAL
COUNTY...

AT 525 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
DETECT A LINE OF THUNDERSTORMS PRODUCING FLASH FLOODING CONDITIONS 
OVER MOST OF REAL COUNTY WITH RAIN RATES OF 2 TO 4 INCHES PER HOUR. 
THESE STORMS ARE SITTING OVER REAL COUNTY WITH AN ADDITIONAL ONE TO 
TWO INCHES OF RAINFALL POSSIBLE WITHIN THE NEXT SEVERAL HOURS. THE 
EDWARDS AQUIFER RAIN GAGE LOCATED IN CENTRAL REAL COUNTY...NORTHWEST 
OF TUFF...HAS MEASURED 3.04 INCHES OF RAINFALL DURING THE LAST 6 
HOURS WHILE THE USGS GAGE LOCATED IN NUECES RIVER NEAR BARKSDALE HAS 
MEASURED 4.22 INCHES OF RAINFALL IN THE LAST FOUR HOURS.

LOCATIONS IN THE WARNING AREA INCLUDE TUFF.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN WATER COVERS THE ROAD...TURN AROUND DON'T DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.

&&

LAT...LON 2988 9963 2965 9962 2965 9998 2999 9997
      3005 9994 3006 9971 2990 9971

$$
232 
WGUS74 KEWX 241223
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
723 AM CDT FRI MAY 24 2013

TXC385-241300-
/O.CON.KEWX.FF.W.0007.000000T0000Z-130524T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
REAL TX-
723 AM CDT FRI MAY 24 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR REAL
COUNTY...

AT 715 AM CDT...STORMS HAVE DIMINISHED DURING THE PAST HOUR AROUND 
REAL COUNTY WITH LIGHT TO MODERATE SHOWERS AND FEW THUNDERSTORMS 
SHOWING NOW ON RADAR. HOWEVER...STORMS MAY REDEVELOP OVER THE AREA 
THIS MORNING AS ATMOSPHERIC CONDITIONS ARE FAVORABLE FOR MORE 
ACTIVITY. SO FAR...RADAR STORM TOTALS IMAGE SHOWS ABOUT 3.5 INCHES 
OVER BARKSDALE AND A BIT MORE THAN 7 INCHES OVER PRADE RANCH. ON THE 
OTHER HAND...OBSERVED DATA FROM THE EDWARDS AQUIFER RAIN GAGE 
LOCATED IN NORTHWEST OF TUFF...REPORTS 4.31 INCHES FOR THE LAST 6 
HOURS WHILE THE USGS RAIN GAGE LOCATED NEAR BARKSDALE SHOWS 4.95 
INCHES FOR THE LAST 4 HOURS. 

LOCATIONS IN THE WARNING AREA INCLUDE PRADE RANCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN WATER COVERS THE ROAD...TURN AROUND DON'T DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.

&&

LAT...LON 2988 9963 2965 9962 2965 9998 2999 9997
      3005 9994 3006 9971 2990 9971

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 1:44 AM CDTSpecial Weather StatementEWXEdwards46 min
May 24, 2:08 AM CDTSpecial Weather StatementEWXEdwards52 min
May 24, 3:01 AM CDTAreal Flood AdvisoryEWXEdwards, Real, Val Verde3 hr
May 24, 3:47 AM CDTSpecial Weather StatementEWXEdwards, Real43 min
May 24, 4:23 AM CDTSevere Thunderstorm WarningEWXEdwards, Real37 min
May 24, 4:44 AM CDTAreal Flood AdvisoryEWXVal Verde3 hr
May 24, 4:53 AM CDTSpecial Weather StatementEWXKinney, Real, Uvalde67 min
May 24, 5:31 AM CDTSpecial Weather StatementEWXKinney59 min
May 24, 6:12 AM CDTAreal Flood AdvisoryEWXKinney108 min
May 24, 6:50 AM CDTSpecial Weather StatementEWXKinney, Maverick, Uvalde70 min
May 24, 7:32 AM CDTSpecial Weather StatementEWXMaverick58 min
May 24, 8:35 AM CDTSpecial Weather StatementEWXZavala40 min
May 24, 8:44 AM CDTAreal Flood AdvisoryEWXReal, Uvalde106 min
May 24, 9:15 AM CDTSpecial Weather StatementEWXDimmit, Kinney, Uvalde45 min
May 24, 9:45 AM CDTFlash Flood WarningEWXUvalde4 hr
May 24, 9:57 AM CDTFlash Flood WarningEWXUvalde63 min
May 24, 10:04 AM CDTSpecial Weather StatementEWXFrio41 min
May 24, 10:42 AM CDTAreal Flood AdvisoryEWXBandera, Kerr, Medina, Real, Uvalde108 min
May 24, 10:47 AM CDTSpecial Weather StatementEWXFrio, Medina43 min
May 24, 11:42 AM CDTSpecial Weather StatementEWXBexar48 min
May 24, 11:49 AM CDTSpecial Weather StatementEWXAtascosa41 min
May 24, 12:15 PM CDTSpecial Weather StatementEWXBexar, Comal, Kendall45 min
May 24, 12:45 PM CDTAreal Flood AdvisoryEWXBexar, Comal, Kendall105 min
May 24, 12:59 PM CDTSpecial Weather StatementEWXAtascosa, Bexar, Comal46 min
May 24, 1:32 PM CDTFlash Flood WarningEWXBexar3 hr
May 24, 2:03 PM CDTAreal Flood AdvisoryEWXBexar, Comal, Guadalupe117 min
May 24, 2:29 PM CDTAreal Flood AdvisoryEWXAtascosa2 hr
May 24, 2:40 PM CDTAreal Flood AdvisoryEWXBurnet3 hr
May 24, 2:46 PM CDTFlash Flood WarningEWXCaldwell, Comal, Guadalupe, Hays, Travis4 hr
May 24, 2:53 PM CDTSpecial Weather StatementEWXKarnes67 min
May 24, 2:58 PM CDTSpecial Weather StatementEWXHays47 min
May 24, 3:43 PM CDTAreal Flood AdvisoryEWXTravis, Williamson107 min
May 24, 4:35 PM CDTFlash Flood WarningEWXBexar, Comal, Guadalupe, Wilson115 min
May 24, 6:34 PM CDTAreal Flood AdvisoryEWXBurnet, Llano, Travis, Williamson116 min

Nearby

Flash Flood Warnings in Texas, 2013Every flash flood warning in 2013

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.