Alert archive / Texas / Flash Flood Warnings in 2015
Flash Flood Warning 36, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 17, 2015, 8:44 AM CDT for 6 counties in Texas. It was in force for 2 hr. 2 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 17, 2015, 8:44 AM CDT (13:44 UTC)
- Expired
- May 17, 2015, 10:45 AM CDT
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Blanco County, TX, Comal County, TX, Hays County, TX, Kendall County, TX, Travis County, TX, Williamson County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 17, 8:44 AM CDT | FLASH FLOOD | 2 W Elgin, TX | COUNTY LINE ROAD LOW-WATER CROSSING NEAR HIGHWAY 290 IS CLOSED DUE TO HIGH WATER. |
| May 17, 8:49 AM CDT | FLASH FLOOD | 4 Ssw Jollyville, TX | SPICEWOOD SPRINGS ROAD CLOSED DUE TO HIGH WATER...ALSO THERE ARE DOZENS OF ROAD CLOSURES ACROSS HAYS TRAVIS WILLIAMSON CALDWELL BASTROP AND LEE COUNTIES AS SHOWN ON THE ATXFLOODS.COM WEBSITE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 1.7 hours before the alert went out and 287 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1544 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
109
WGUS54 KEWX 171344
FFWEWX
TXC031-091-209-259-453-491-171545-
/O.NEW.KEWX.FF.W.0036.150517T1344Z-150517T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
844 AM CDT SUN MAY 17 2015
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN COMAL COUNTY IN SOUTH CENTRAL TEXAS...
NORTHERN HAYS COUNTY IN SOUTH CENTRAL TEXAS...
TRAVIS COUNTY IN SOUTH CENTRAL TEXAS...
KENDALL COUNTY IN SOUTH CENTRAL TEXAS...
CENTRAL BLANCO COUNTY IN SOUTH CENTRAL TEXAS...
WILLIAMSON COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 1045 AM CDT
* AT 842 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
MODERATE TO LOCALLY HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE
INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING WILL CONTINUE
FOR THE NEXT COUPLE OF HOURS. NUMEROUS STREAMS ARE RUNNING NEAR OR
ABOVE BANKFULL AND NUMEROUS ROADS ARE CLOSED.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
AUSTIN...ROUND ROCK...CEDAR PARK...GEORGETOWN...PFLUGERVILLE...
TAYLOR...BOERNE...ELGIN...WIMBERLEY...DRIPPING SPRINGS...BLANCO...
GRANGER...WINDEMERE...TANGLEWOOD FOREST...ANDERSON MILL...
SERENADA...LEANDER...HUTTO...LAKEWAY AND BUDA.
ADDITIONAL RAINFALL AMOUNTS OF UP TO 1 INCH ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
DO NOT ENTER OR CROSS FLOWING WATER OR WATER OF UNKNOWN DEPTH.
STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3071 9726 3046 9716 3040 9733 3042 9737
3033 9742 2976 9854 2972 9877 3010 9891
3014 9871 3014 9859 3022 9859 3042 9813
3090 9781
$$
CP2 follow-up statements
463
WGUS74 KEWX 171447
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
947 AM CDT SUN MAY 17 2015
TXC031-091-209-259-453-491-171545-
/O.CON.KEWX.FF.W.0036.000000T0000Z-150517T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COMAL TX-HAYS TX-TRAVIS TX-KENDALL TX-BLANCO TX-WILLIAMSON TX-
947 AM CDT SUN MAY 17 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 AM CDT FOR
NORTHWESTERN COMAL...NORTHERN HAYS...TRAVIS...KENDALL...CENTRAL
BLANCO AND WILLIAMSON COUNTIES...
AT 946 AM CDT...DOPPLER RADAR INDICATED ONLY LIGHT TO MODERATE RAINS
IN THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE ALREADY FALLEN.
NUMEROUS SMALL STREAMS REMAIN ABOVE BANKFULL AND NUMEROUS ROADS ARE
CLOSED. FLASH FLOODING WILL CONTINUE.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
AUSTIN...ROUND ROCK...CEDAR PARK...GEORGETOWN...PFLUGERVILLE...
TAYLOR...BOERNE...ELGIN...WIMBERLEY...DRIPPING SPRINGS...BLANCO...
GRANGER...WINDEMERE...TANGLEWOOD FOREST...ANDERSON MILL...SERENADA...
LEANDER...HUTTO...LAKEWAY AND BUDA.
ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE HALF INCH ARE POSSIBLE IN
THE WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
DO NOT ENTER OR CROSS FLOWING WATER OR WATER OF UNKNOWN DEPTH.
STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3071 9726 3046 9716 3040 9733 3042 9737
3033 9742 2976 9854 2972 9877 3010 9891
3014 9871 3014 9859 3022 9859 3042 9813
3090 9781
$$
CP278
WGUS74 KEWX 171547
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1047 AM CDT SUN MAY 17 2015
TXC031-091-209-259-453-491-171555-
/O.EXP.KEWX.FF.W.0036.000000T0000Z-150517T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COMAL TX-HAYS TX-TRAVIS TX-KENDALL TX-BLANCO TX-WILLIAMSON TX-
1047 AM CDT SUN MAY 17 2015
...THE FLASH FLOOD WARNING FOR NORTHWESTERN COMAL...NORTHERN HAYS...
TRAVIS...KENDALL...CENTRAL BLANCO AND WILLIAMSON COUNTIES HAS
EXPIRED...
THE HEAVY RAIN HAS ENDED...AND FLASH FLOODING IS NO LONGER EXPECTED
TO POSE A THREAT. HOWEVER...NUMEROUS STREAMS HAVE RISEN TO NEAR OR
ABOVE BANKFULL. THEY WILL REMAIN THERE FOR THE NEXT COUPLE OF HOURS.
PLEASE CONTINUE TO HEED ALL ROAD CLOSURES. THE WARNING HAS BEEN
REPLACED BY AN URBAN AND SMALL STREAM FLOOD ADVISORY.
LAT...LON 3071 9726 3046 9716 3040 9733 3042 9737
3033 9742 2976 9854 2972 9877 3010 9891
3014 9871 3014 9859 3022 9859 3042 9813
3090 9781
$$
CPThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 12:54 AM CDT | Special Weather Statement | EWX | Edwards, Val Verde | 36 min |
| May 17, 1:36 AM CDT | Flash Flood Warning | EWX | Edwards, Kerr, Real, Val Verde | 3 hr |
| May 17, 1:50 AM CDT | Special Weather Statement | EWX | Edwards | 40 min |
| May 17, 1:54 AM CDT | Special Weather Statement | EWX | Val Verde | 51 min |
| May 17, 2:05 AM CDT | Special Weather Statement | EWX | Val Verde | 40 min |
| May 17, 2:50 AM CDT | Special Weather Statement | EWX | Gillespie, Llano | 55 min |
| May 17, 3:04 AM CDT | Special Weather Statement | EWX | Real | 41 min |
| May 17, 3:54 AM CDT | Flash Flood Warning | EWX | Edwards, Real | 3 hr |
| May 17, 4:05 AM CDT | Special Weather Statement | EWX | Blanco, Burnet | 40 min |
| May 17, 4:19 AM CDT | Flash Flood Warning | EWX | Burnet, Llano | 3 hr |
| May 17, 4:58 AM CDT | Areal Flood Advisory | EWX | Kinney, Uvalde | 3 hr |
| May 17, 5:30 AM CDT | Areal Flood Advisory | EWX | Travis, Williamson | 3 hr |
| May 17, 5:40 AM CDT | Special Weather Statement | EWX | Maverick, Uvalde, Zavala | 50 min |
| May 17, 5:52 AM CDT | Areal Flood Advisory | EWX | Maverick, Zavala | 3 hr |
| May 17, 5:56 AM CDT | Flash Flood Warning | EWX | Bandera, Bexar, Blanco, Burnet, Comal, Hays and 4 more | 3 hr |
| May 17, 6:15 AM CDT | Special Weather Statement | EWX | Kendall | 45 min |
| May 17, 7:00 AM CDT | Areal Flood Advisory | EWX | Bexar, Caldwell, Comal, Guadalupe, Hays | 3 hr |
| May 17, 7:18 AM CDT | Areal Flood Advisory | EWX | Dimmit, Frio, Maverick, Medina, Uvalde, Zavala | 3 hr |
| May 17, 7:32 AM CDT | Areal Flood Advisory | EWX | Bastrop, Fayette, Lee | 3 hr |
| May 17, 8:09 AM CDT | Flash Flood Warning | EWX | Atascosa, Bastrop, Bexar, Caldwell, Comal, Fayette and 7 more | 3 hr |
| May 17, 9:16 AM CDT | River Flood Warning | EWX | Dimmit | 12 days |
| May 17, 9:55 AM CDT | Areal Flood Advisory | EWX | Atascosa, DeWitt, Fayette, Gonzales, Karnes, Lavaca | 3 hr |
| May 17, 10:15 AM CDT | Special Weather Statement | EWX | DeWitt, Gonzales, Karnes, Lavaca | 60 min |
| May 17, 10:45 AM CDT | Areal Flood Advisory | EWX | Blanco, Burnet, Comal, Hays, Kendall, Travis and 1 more | 2 hr |
| May 17, 11:01 AM CDT | Areal Flood Advisory | EWX | Atascosa, Bastrop, Bexar, Caldwell, Comal, Fayette and 7 more | 3 hr |
| May 17, 11:30 AM CDT | Flash Flood Warning | EWX | Caldwell | 2 hr |
| May 17, 11:45 AM CDT | River Flood Warning | EWX | Caldwell, Gonzales | 39 hr |
| May 17, 11:51 AM CDT | River Flood Warning | EWX | Travis | 14 hr |
| May 17, 1:28 PM CDT | Areal Flood Advisory | EWX | Caldwell | 4 hr |
| May 17, 3:36 PM CDT | River Flood Warning | EWX | Caldwell, Gonzales | 24 hr |
| May 17, 3:42 PM CDT | River Flood Warning | EWX | Gonzales | 56 hr |
Nearby
Flash Flood Warnings in Texas, 2015Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.