Alert archive / Texas / Flash Flood Warnings in 2015

Flash Flood Warning 113, NWS Austin/San Antonio, TX

June 14, 2015Travis County, Williamson County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 14, 2015, 6:34 AM CDT for Travis County, Williamson 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: Jun 14, 2015, 6:34 AM CDT (11:34 UTC)
Expired: Jun 14, 2015, 10:00 AM CDT
In force: 3 hr
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Flood severity: None

Counties 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 11:37 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

Fort Worth, TX (KFWD), launched 00:00Z, 11.6 hours before the alert went out and 282 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 575 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 1611 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

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

130 
WGUS54 KEWX 141134
FFWEWX
TXC453-491-141500-
/O.NEW.KEWX.FF.W.0113.150614T1134Z-150614T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
634 AM CDT SUN JUN 14 2015

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL TRAVIS COUNTY IN SOUTH CENTRAL TEXAS...
  SOUTHWESTERN WILLIAMSON COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 1000 AM CDT
    
* AT 631 AM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING 
  HEAVY RAIN ACROSS THE WARNED AREA...COVERING MUCH OF THE AUSTIN 
  METRO AREA. RADAR ESTIMATES SUGGEST THAT 2 TO 3 INCHES OF RAIN MAY 
  FALL IN LESS THAN ONE HOUR ACROSS MUCH OF THE WARNED AREA BY 730 
  AM CDT. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  AUSTIN...ROUND ROCK...CEDAR PARK...GEORGETOWN...PFLUGERVILLE...
  WINDEMERE...AUSTIN BERGSTROM INT AP...ANDERSON MILL...LEANDER...
  MANOR...WEST LAKE HILLS...ROLLINGWOOD...LIBERTY HILL...MUSTANG
  RIDGE...ONION CREEK...JONESTOWN...SUNSET VALLEY...CREEDMOOR...DEL
  VALLE AND WELLS BRANCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT ENTER OR CROSS FLOWING WATER OR WATER OF UNKNOWN DEPTH... 
WHETHER BY AUTOMOBILE OR ON FOOT.  TURN AROUND...DONT DROWN WHEN 
ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. 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 3053 9759 3019 9751 3007 9765 3007 9766
      3002 9771 3010 9781 3045 9782 3058 9802
      3071 9792

$$

MO

2 follow-up statements

213 
WGUS74 KEWX 141231
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
731 AM CDT SUN JUN 14 2015

TXC453-491-141500-
/O.CON.KEWX.FF.W.0113.000000T0000Z-150614T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRAVIS TX-WILLIAMSON TX-
731 AM CDT SUN JUN 14 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 AM CDT FOR
CENTRAL TRAVIS AND SOUTHWESTERN WILLIAMSON COUNTIES...

AT 726 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING 
MODERATE TO OCCASIONALLY HEAVY RAINS ACROSS THE WARNED AREA...WHICH 
COVERS THE NORTHERN AND EASTERN TWO-THIRDS OF THE AUSTIN METRO AREA. 
UP TO 2 INCHES OF RAIN HAS ALREADY FALLEN ALONG A LINE FROM CREEDMOOR 
TO CEDAR PARK. FLASH FLOODING IS LIKELY OVER WESTERN AND SOUTHERN 
PARTS OF THE AUSTIN METRO AREA...AND NEW ROUNDS OF STRONGER 
THUNDERSTORMS ARE EXPECTED TO SPREAD NORTH ACROSS THE WARNED AREA 
THROUGH 830 AM CDT.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
AUSTIN...ROUND ROCK...CEDAR PARK...GEORGETOWN...PFLUGERVILLE...
WINDEMERE...AUSTIN BERGSTROM INT AP...ANDERSON MILL...LEANDER...
MANOR...WEST LAKE HILLS...ROLLINGWOOD...LIBERTY HILL...MUSTANG
RIDGE...ONION CREEK...JONESTOWN...SUNSET VALLEY...CREEDMOOR...DEL
VALLE AND WELLS BRANCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD 
DEATHS OCCUR IN VEHICLES. REMAIN ALERT FOR FLOODING EVEN IN 
LOCATIONS NOT RECEIVING RAIN. CREEKS...STREAMS AND RIVERS CAN BECOME 
RAGING KILLER CURRENTS IN A MATTER OF MINUTES.

&&

LAT...LON 3053 9759 3019 9751 3007 9765 3007 9766
      3002 9771 3010 9781 3045 9782 3058 9802
      3071 9792

$$

MO

114 
WGUS74 KEWX 141457
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
957 AM CDT SUN JUN 14 2015

TXC453-491-141504-
/O.EXP.KEWX.FF.W.0113.000000T0000Z-150614T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRAVIS TX-WILLIAMSON TX-
957 AM CDT SUN JUN 14 2015

...THE FLASH FLOOD WARNING FOR CENTRAL TRAVIS AND SOUTHWESTERN
WILLIAMSON COUNTIES WILL EXPIRE AT 1000 AM CDT...

THE HEAVY RAIN HAS ENDED...AND FLASH FLOODING IS NO LONGER EXPECTED 
TO POSE A THREAT. HOWEVER...SOME SMALL STREAMS MAY STILL HAVE MINOR 
RISES AND PONDING OF WATER WILL LINGER IN LOW LYING AREAS. SOME 
LIGHT RAIN WILL CONTINUE. AN URBAN AND SMALL STREAM FLOOD ADVISORY 
IS IN EFFECT UNTIL 1230 PM CDT FOR TRAVIS COUNTY. 

LAT...LON 3053 9759 3019 9751 3007 9765 3007 9766
      3002 9771 3010 9781 3045 9782 3058 9802
      3071 9792

$$

CP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 10:02 PM CDT	Special Weather Statement	EWX	Val Verde	58 min
Jun 13, 10:19 PM CDT	Flash Flood Warning	EWX	Val Verde	116 min
Jun 13, 11:19 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	41 min
Jun 13, 11:30 PM CDT	Special Weather Statement	EWX	Val Verde	45 min
Jun 13, 11:49 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kinney, Val Verde	56 min
Jun 13, 11:57 PM CDT	Flash Flood Warning	EWX	Edwards, Kinney, Val Verde	3 hr
Jun 14, 12:20 AM CDT	Special Weather Statement	EWX	Kinney	40 min
Jun 14, 12:50 AM CDT	Flash Flood Warning	EWX	Kinney, Maverick, Val Verde	3 hr
Jun 14, 1:28 AM CDT	Special Weather Statement	EWX	Kerr, Kinney, Real, Uvalde	47 min
Jun 14, 2:21 AM CDT	Flash Flood Warning	EWX	Kinney, Maverick, Uvalde, Zavala	3 hr
Jun 14, 3:22 AM CDT	Areal Flood Advisory	EWX	Bandera, Real	3 hr
Jun 14, 4:07 AM CDT	Flash Flood Warning	EWX	Bandera, Dimmit, Frio, Maverick, Medina, Uvalde and 1 more	3 hr
Jun 14, 4:22 AM CDT	Areal Flood Advisory	EWX	Comal, Guadalupe	3 hr
Jun 14, 4:51 AM CDT	Areal Flood Advisory	EWX	Blanco, Comal, Hays, Travis	3 hr
Jun 14, 5:20 AM CDT	Flash Flood Warning	EWX	Comal, Hays, Travis	4 hr
Jun 14, 5:39 AM CDT	Areal Flood Advisory	EWX	Bastrop, Bexar, Caldwell, DeWitt, Fayette, Gonzales and 4 more	4 hr
Jun 14, 6:14 AM CDT	Flash Flood Warning	EWX	Bexar, DeWitt, Gonzales, Guadalupe, Karnes, Lavaca and 1 more	4 hr
Jun 14, 6:41 AM CDT	River Flood Warning	EWX	Comal, Guadalupe	23 hr
Jun 14, 6:41 AM CDT	River Flood Warning	EWX	Comal, Guadalupe	23 hr
Jun 14, 6:44 AM CDT	Flash Flood Watch	EWX	Atascosa, Bastrop, Bexar, Blanco, Burnet, Caldwell and 13 more	15 hr
Jun 14, 6:55 AM CDT	Flash Flood Warning	EWX	Bastrop, Caldwell	3 hr
Jun 14, 9:18 AM CDT	River Flood Warning	EWX	Caldwell, Gonzales	23 hr
Jun 14, 9:18 AM CDT	River Flood Warning	EWX	Gonzales	54 hr
Jun 14, 9:28 AM CDT	Areal Flood Advisory	EWX	Hays, Travis	3 hr
Jun 14, 10:01 AM CDT	Areal Flood Advisory	EWX	Bastrop, Caldwell	3 hr
Jun 14, 10:18 AM CDT	Flash Flood Warning	EWX	Guadalupe	3 hr
Jun 14, 10:55 AM CDT	Areal Flood Advisory	EWX	Bandera, Bexar, Medina	3 hr
Jun 14, 11:41 AM CDT	Flash Flood Warning	EWX	Bexar	3 hr
Jun 14, 1:44 PM CDT	Areal Flood Advisory	EWX	Bexar, Comal, Guadalupe	3 hr
Jun 14, 2:05 PM CDT	Flash Flood Warning	EWX	Atascosa, Bexar, Comal, Guadalupe, Hays, Karnes and 1 more	3 hr
Jun 14, 2:24 PM CDT	Special Weather Statement	EWX	Bexar	36 min
Jun 14, 2:27 PM CDT	River Flood Warning	EWX	Bexar	19 hr
Jun 14, 2:40 PM CDT	Flash Flood Warning	EWX	Atascosa, Bexar	2 hr
Jun 14, 2:43 PM CDT	Special Weather Statement	EWX	Wilson	32 min
Jun 14, 3:36 PM CDT	Special Weather Statement	EWX	Comal, Guadalupe	24 min
Jun 14, 3:42 PM CDT	Areal Flood Advisory	EWX	Hays, Travis	3 hr
Jun 14, 3:49 PM CDT	River Flood Warning	EWX	Bexar	26 hr
Jun 14, 3:49 PM CDT	River Flood Warning	EWX	Bexar, Wilson	41 hr
Jun 14, 4:07 PM CDT	Special Weather Statement	EWX	Travis	23 min
Jun 14, 4:32 PM CDT	Areal Flood Advisory	EWX	Travis, Williamson	3 hr
Jun 14, 5:01 PM CDT	Areal Flood Advisory	EWX	Bexar, Comal, Gonzales, Guadalupe, Wilson	3 hr
Jun 14, 5:41 PM CDT	Areal Flood Advisory	EWX	Zavala	2 hr
Jun 14, 6:00 PM CDT	Special Weather Statement	EWX	Zavala	30 min
Jun 14, 6:40 PM CDT	Special Weather Statement	EWX	Zavala	65 min

Nearby

Flash Flood Warnings in Texas, 2015 Every 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.