Alert archive / Texas / Flash Flood Warnings in 2016

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

April 18, 2016Bastrop County, Fayette County, Lee County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Apr 18, 2016, 1:07 AM CDT for Bastrop County, Fayette County, Lee County, Texas. It was in force for 5 hr. 11 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
Apr 18, 2016, 1:07 AM CDT (06:07 UTC)
Expired
Apr 18, 2016, 6:00 AM CDT
In force
5 hr
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Flood severity
None

Counties Bastrop County, TX, Fayette County, TX, Lee County, TX

What was reported inside it

TimeReportWhereRemark
Apr 18, 2:21 AM CDTFLASH FLOOD3 Ne La Grange, TXSEVERAL SPOTS ON HIGHWAY 159 BETWEEN LA GRANGE AND ROUND TOP ARE UNDER WATER.
Apr 18, 4:00 AM CDTFLASH FLOOD3 Nw Ellinger, TXHIGHWAY 71 AT KITCHEN LANE IS UNDERWATER
Apr 18, 4:00 AM CDTFLASH FLOODLa Grange, TXHIGHWAY 71 EASTBOUND FROM LA GRANGE TO THE COUNTY LINE IS FLOODED IN SEVERAL LOCATIONS. CARS ARE UNDERWATER. SWIFT WATER RESCUES HAVE BEGUN
Apr 18, 4:00 AM CDTFLASH FLOODWarrenton, TXHIGHWAY 237 IN WARRENTON IS UNDERWATER
Apr 18, 5:00 AM CDTFLASH FLOOD2 Wnw Ellinger, TXFM955 AT HIGHWAY 71 IS UNDERWATER AND IMPASSABLE
Apr 18, 5:00 AM CDTFLASH FLOOD3 Ne Rutersville, TXFM237 AT OLDENBURG IS UNDERWATER
Apr 18, 5:15 AM CDTFLASH FLOODLa Grange, TXWEST TRAVIS STREET AT HIGHWAY 77 IN LA GRANGE IS UNDERWATER
Apr 18, 5:29 AM CDTHEAVY RAIN 4.34La Grange, TX4.34 INCHES OF RAIN HAS FALLEN IN THE PAST THREE HOURS WITH 8.69 INCHES OF RAIN IN THE PAST SIX HOURS
Apr 18, 5:40 AM CDTFLASH FLOOD2 Nne Delhi, TXFM304 SOUTH NEAR THE COUNTY LINE HAS WATER OVER THE ROADWAY AND MAY NEED TO BE CLOSED
Apr 18, 5:40 AM CDTFLASH FLOOD3 Nw Alum Creek, TXHWY 71 WEST AT HARMON ROAD HAS SIX INCHES OF WATER OVER THE ROADWAY
Apr 18, 5:40 AM CDTFLASH FLOOD5 Sw Cedar Hills, TXSHERIFFS OFFICE REPORTED THE LOWER ELGIN ROAD SOUTH OF ELGIN IS UNDERWATER

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

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 6.1 hours before the alert went out and 276 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 2016-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1949 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 2016-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
1949 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
558 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.5

Open this sounding in Storm Lab

The text

As transmitted.

097 
WGUS54 KEWX 180607
FFWEWX
TXC021-149-287-181100-
/O.NEW.KEWX.FF.W.0007.160418T0607Z-160418T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
107 AM CDT MON APR 18 2016

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FAYETTE COUNTY IN SOUTH CENTRAL TEXAS...
  BASTROP COUNTY IN SOUTH CENTRAL TEXAS...
  LEE COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 600 AM CDT
    
* AT 103 AM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA OF FAYETTE...LEE...AND BASTROP
  COUNTIES. UP TO THREE INCHES OF RAIN HAVE ALREADY FALLEN OVER THE
  EASTERN HALF OF FAYETTE COUNTY...AND VERY HEAVY RAINFALL RATES
  CONTINUE TO OCCUR OVER THESE SAME AREAS. FLASH FLOODING IS
  EXPECTED TO BEGIN SHORTLY. SHOWERS AND THUNDERSTORMS ARE ALSO
  RAPIDLY DEVELOPING OVER THE RAIN SOAKED SOILS OVER MUCH OF BASTROP
  AND LEE COUNTIES.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ELGIN...BASTROP...GIDDINGS...LA GRANGE...SMITHVILLE...SCHULENBURG...
  FLATONIA...LEXINGTON...SHELBY...FAYETTEVILLE...ROUND TOP...FEDOR...
  ROSANKY...PAIGE...MULDOON...CIRCLE D-KC ESTATE...WYLDWOOD...TANGLEWOOD...
  CISTERN AND CIRCLE D-KC ESTATES.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE THROUGH 4
AM WITH EARLY MORNING TOTALS OVER 5 INCHES POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 2963 9688 2963 9714 2994 9750 3029 9745
      3042 9737 3040 9733 3045 9716 3056 9697
      3054 9692 3046 9690 3039 9679 3032 9674
      3029 9664 3024 9674 3020 9674 3016 9679
      3014 9677 3017 9669 3014 9665 2996 9657

$$

MO
1 follow-up statement
999 
WGUS74 KEWX 180730
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
230 AM CDT MON APR 18 2016

TXC021-149-287-181100-
/O.CON.KEWX.FF.W.0007.000000T0000Z-160418T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FAYETTE TX-BASTROP TX-LEE TX-
230 AM CDT MON APR 18 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 AM CDT FOR
FAYETTE...BASTROP AND LEE COUNTIES...

AT 220 AM CDT...GAUGE REPORTS INDICATED THUNDERSTORMS WERE PRODUCING
HEAVY RAIN OVER THE WARNED AREA. 7 INCHES OF RAIN HAVE FALLEN OVER
EASTERN FAYETTE COUNTY NEAR LAKE FAYETTE. DANGEROUS FLASH FLOODING
IS LIKELY OCCURRING OVER EASTERN FAYETTE COUNTY. THUNDERSTORMS
CONTINUE TO REDEVELOP WESTWARD INTO BASTROP AND LEE COUNTIES...AND
FLASH FLOODING IS EXPECTED TO BEGIN IN THESE AREAS SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ELGIN...BASTROP...GIDDINGS...LA GRANGE...SMITHVILLE...SCHULENBURG...
FLATONIA...LEXINGTON...SHELBY...FAYETTEVILLE...ROUND TOP...FEDOR...ROSANKY...
PAIGE...MULDOON...CIRCLE D-KC ESTATE...WYLDWOOD...TANGLEWOOD...CISTERN AND
CIRCLE D-KC ESTATES.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 5 ARE POSSIBLE IN THE WARNED
AREA.

HEAVIEST FLOODING WILL IMPACT THE TRIBUTARIES OF THE COLORADO RIVER
NEAR AND BELOW LAGRANGE...AS WELL AS CUMMINS CREEK AND ALL ITS
TRIBUTARIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2963 9688 2963 9714 2994 9750 3029 9745
      3042 9737 3040 9733 3045 9716 3056 9697
      3054 9692 3046 9690 3039 9679 3032 9674
      3029 9664 3024 9674 3020 9674 3016 9679
      3014 9677 3017 9669 3014 9665 2996 9657

$$

MO

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 17, 7:15 PM CDTSpecial Weather StatementEWXBandera30 min
Apr 17, 7:32 PM CDTSevere Thunderstorm WarningEWXBandera, Real27 min
Apr 17, 7:42 PM CDTRiver Flood WarningEWXTravis30 hr
Apr 17, 7:42 PM CDTRiver Flood WarningEWXBastrop46 hr
Apr 17, 7:51 PM CDTFlash Flood WarningEWXBandera3 hr
Apr 17, 8:02 PM CDTSpecial Weather StatementEWXBandera, Kerr43 min
Apr 17, 8:46 PM CDTSpecial Weather StatementEWXBandera44 min
Apr 17, 8:54 PM CDTRiver Flood WarningEWXBandera29 hr
Apr 17, 9:11 PM CDTFlash Flood WarningEWXKendall, Kerr4 hr
Apr 17, 10:11 PM CDTRiver Flood WarningEWXBlanco22 hr
Apr 17, 10:11 PM CDTRiver Flood WarningEWXTravis41 hr
Apr 17, 10:11 PM CDTRiver Flood WarningEWXBastrop, Fayette56 hr
Apr 17, 10:11 PM CDTRiver Flood WarningEWXFayette60 hr
Apr 17, 10:14 PM CDTAreal Flood AdvisoryEWXBastrop, Lee, Travis, Williamson3 hr
Apr 17, 11:10 PM CDTAreal Flood AdvisoryEWXBandera3 hr
Apr 17, 11:38 PM CDTAreal Flood AdvisoryEWXBastrop, Fayette, Lee5 hr
Apr 18, 12:24 AM CDTAreal Flood AdvisoryEWXTravis, Williamson5 hr
Apr 18, 1:15 AM CDTAreal Flood AdvisoryEWXKendall, Kerr3 hr
Apr 18, 1:40 AM CDTSpecial Weather StatementEWXVal Verde50 min
Apr 18, 2:32 AM CDTSevere Thunderstorm WarningEWXKinney, Val Verde43 min
Apr 18, 2:34 AM CDTFlash Flood WarningEWXVal Verde4 hr
Apr 18, 3:04 AM CDTSpecial Weather StatementEWXVal Verde41 min
Apr 18, 3:43 AM CDTSpecial Weather StatementEWXKinney47 min
Apr 18, 3:54 AM CDTSevere Thunderstorm WarningEWXKinney66 min
Apr 18, 4:11 AM CDTFlash Flood WarningEWXFayette12 hr
Apr 18, 4:17 AM CDTFlash Flood WarningEWXKinney4 hr
Apr 18, 4:31 AM CDTFlash Flood WarningEWXBastrop, Lee, Travis, Williamson7 hr
Apr 18, 5:03 AM CDTAreal Flood AdvisoryEWXBandera, Bexar, Blanco, Caldwell, Comal, Guadalupe and 6 more4 hr
Apr 18, 5:08 AM CDTSpecial Weather StatementEWXKinney52 min
Apr 18, 6:04 AM CDTFlash Flood WarningEWXKinney, Real, Uvalde3 hr
Apr 18, 6:19 AM CDTFlash Flood WarningEWXBexar, Comal, Hays, Kendall3 hr
Apr 18, 6:52 AM CDTFlash Flood WarningEWXBandera, Kerr, Medina, Uvalde3 hr
Apr 18, 7:13 AM CDTAreal Flood AdvisoryEWXGonzales, Guadalupe3 hr
Apr 18, 7:22 AM CDTSpecial Weather StatementEWXMedina38 min
Apr 18, 7:48 AM CDTAreal Flood AdvisoryEWXFayette, Lavaca3 hr
Apr 18, 8:30 AM CDTFlash Flood WarningEWXCaldwell, Gonzales, Lavaca3 hr
Apr 18, 8:52 AM CDTAreal Flood AdvisoryEWXBexar, Comal, Gonzales, Guadalupe, Wilson3 hr
Apr 18, 9:16 AM CDTAreal Flood AdvisoryEWXBexar, Comal, Hays59 min
Apr 18, 9:47 AM CDTSpecial Weather StatementEWXDeWitt43 min
Apr 18, 10:17 AM CDTAreal Flood AdvisoryEWXDeWitt, Karnes3 hr
Apr 18, 11:32 AM CDTAreal Flood AdvisoryEWXCaldwell, Gonzales, Lavaca3 hr
Apr 18, 11:39 AM CDTAreal Flood AdvisoryEWXMaverick2 hr
Apr 18, 11:46 AM CDTSpecial Weather StatementEWXZavala44 min
Apr 18, 12:07 PM CDTSpecial Weather StatementEWXDimmit23 min
Apr 18, 12:44 PM CDTSpecial Weather StatementEWXDimmit46 min
Apr 18, 1:44 PM CDTSpecial Weather StatementEWXKerr46 min
Apr 18, 1:48 PM CDTSpecial Weather StatementEWXDimmit42 min
Apr 18, 2:42 PM CDTRiver Flood WarningEWXDeWitt4 days
Apr 18, 2:44 PM CDTSpecial Weather StatementEWXKendall46 min
Apr 18, 4:00 PM CDTAreal Flood AdvisoryEWXFayette5 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.