Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 16, NWS Austin/San Antonio, TX

May 14, 2016Edwards County, Real County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 14, 2016, 8:05 AM CDT for Edwards County, 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
May 14, 2016, 8:05 AM CDT (13:05 UTC)
Expired
May 14, 2016, 11:00 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Flood severity
None

Counties Edwards County, TX, Real County, TX

The radar

The Laughlin AFB radar (KDFX), 80 km from the middle of the area, began a volume at 13:08 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 (KDLF), launched 12:00Z, 1.1 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-pSkew-T log-p diagram, Del Rio, TX at 12:00Z on 2016-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1914 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 2016-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
1914 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
991 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

404 
WGUS54 KEWX 141305
FFWEWX
TXC137-385-141600-
/O.NEW.KEWX.FF.W.0016.160514T1305Z-160514T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
805 AM CDT SAT MAY 14 2016

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL EDWARDS COUNTY IN SOUTH CENTRAL TEXAS...
  NORTHWESTERN REAL COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 1100 AM CDT

* AT 802 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  VANCE...STATE HIGHWAY 55...FARM TO MARKET ROADS 335 AND 2631.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3003 9982 2974 9985 2977 10011 3006 10009

$$

PLATT
2 follow-up statements
056 
WGUS74 KEWX 141425
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
925 AM CDT SAT MAY 14 2016

TXC137-385-141600-
/O.CON.KEWX.FF.W.0016.000000T0000Z-160514T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EDWARDS TX-REAL TX-
925 AM CDT SAT MAY 14 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 AM CDT FOR
SOUTH CENTRAL EDWARDS AND NORTHWESTERN REAL COUNTIES...

AT 921 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
MODERATE TO HEAVY RAIN ACROSS THE WARNED AREA. RADAR ESTIMATES 3 TO
4 INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
VANCE...STATE HIGHWAY 55...FARM TO MARKET ROADS 335 AND 2631.

ADDITIONAL RAINFALL AMOUNTS UP TO 1 INCH ARE POSSIBLE IN THE WARNED
AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3003 9982 2974 9985 2977 10011 3006 10009

$$

PLATT
060 
WGUS74 KEWX 141557
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1057 AM CDT SAT MAY 14 2016

TXC137-385-141603-
/O.EXP.KEWX.FF.W.0016.000000T0000Z-160514T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EDWARDS TX-REAL TX-
1057 AM CDT SAT MAY 14 2016

...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL EDWARDS AND NORTHWESTERN
REAL COUNTIES WILL EXPIRE AT 1100 AM CDT...

THE HEAVY RAIN HAS ENDED AND FLASH FLOODING IS NO LONGER EXPECTED TO
POSE A THREAT. HOWEVER...LIGHT RAIN THROUGH NOON ALONG WITH EARLIER
RAINS WILL CONTINUE ADDITIONAL RUNOFF INTO THE EARLY AFTERNOON
HOURS. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3003 9982 2974 9985 2977 10011 3006 10009

$$

PLATT

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 8:41 PM CDTSpecial Weather StatementEWXFayette49 min
May 14, 7:27 AM CDTAreal Flood AdvisoryEWXEdwards, Real3 hr
May 14, 10:23 AM CDTAreal Flood AdvisoryEWXUvalde3 hr
May 14, 10:29 AM CDTSpecial Weather StatementEWXUvalde46 min
May 14, 11:02 AM CDTSpecial Weather StatementEWXZavala43 min
May 14, 11:08 AM CDTSpecial Weather StatementEWXDimmit52 min
May 14, 11:33 AM CDTSpecial Weather StatementEWXFrio42 min
May 14, 12:03 PM CDTSpecial Weather StatementEWXDimmit42 min
May 14, 12:07 PM CDTSpecial Weather StatementEWXWilliamson38 min
May 14, 12:30 PM CDTAreal Flood AdvisoryEWXDimmit, Maverick, Zavala3 hr
May 14, 12:40 PM CDTSevere Thunderstorm WarningEWXWilliamson50 min
May 14, 1:18 PM CDTSpecial Weather StatementEWXWilliamson42 min
May 14, 1:34 PM CDTAreal Flood AdvisoryEWXTravis, Williamson3 hr
May 14, 1:37 PM CDTAreal Flood AdvisoryEWXFrio3 hr
May 14, 2:01 PM CDTFlash Flood WarningEWXTravis, Williamson3 hr
May 14, 2:32 PM CDTAreal Flood AdvisoryEWXBurnet, Llano3 hr
May 14, 3:21 PM CDTFlash Flood WarningEWXBurnet, Llano4 hr
May 14, 3:32 PM CDTAreal Flood AdvisoryEWXBlanco, Hays, Travis3 hr
May 14, 3:38 PM CDTSpecial Weather StatementEWXVal Verde52 min
May 14, 3:55 PM CDTAreal Flood AdvisoryEWXBastrop, Caldwell, Lee, Williamson4 hr
May 14, 4:07 PM CDTFlash Flood WarningEWXTravis2 hr
May 14, 4:16 PM CDTAreal Flood AdvisoryEWXFayette3 hr
May 14, 4:31 PM CDTSpecial Weather StatementEWXFayette44 min
May 14, 4:40 PM CDTSpecial Weather StatementEWXVal Verde50 min
May 14, 5:02 PM CDTAreal Flood AdvisoryEWXWilliamson118 min

Nearby

Flash Flood Warnings in Texas, 2016Every flash flood warning in 2016

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.