Alert archive / Texas / Flash Flood Warnings in 2015
Flash Flood Warning 7, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Apr 25, 2015, 4:31 AM CDT for 6 counties in Texas. It was in force for 3 hr. 5 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 25, 2015, 4:31 AM CDT (09:31 UTC)
- Expired
- Apr 25, 2015, 7:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Atascosa County, TX, Bexar County, TX, Comal County, TX, Guadalupe County, TX, Medina County, TX, Uvalde County, TX
The radar
The Austin/San Antonio radar (KEWX), 94 km from the middle of the area, began a volume at 09:33 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 25, 5:23 AM CDT | FLASH FLOOD | San Antonio, TX | WATER RESCUES IN SAN ANTONIO. AT 514AM IN THE 12000 BLOCK OF OLD OCONNOR RD AND AT 523AM AT MOCKINGBIRD LN AND N SONGBIRD LN. |
| Apr 25, 5:45 AM CDT | HEAVY RAIN 2.49 | 1 Nne Live Oak, TX | |
| Apr 25, 5:51 AM CDT | FLASH FLOOD | San Antonio, TX | SEVERAL ADDITIONAL WATER RESCUES IN SAN ANTONIO. AT 535AM AT THE I-10W RAMP AT N BRAZOS ST CULEBRA RD. AT 544AM AT HWY281 SB AT E BASSE RD. AT 551AM AT STAHL RD AT BELL DR. |
| Apr 25, 6:30 AM CDT | FLASH FLOOD | Cibolo, TX | NUMEROUS LOW WATER CROSSINGS CLOSED...FM1103 AT TOWNCREEK CLOSED WITH 2 FEET OF WATER OVER THE ROAD |
| Apr 25, 7:06 AM CDT | HEAVY RAIN 2.2 | 1 Nw Cibolo, TX | MINOR FLOODING WITH RAINFALL OCCURRING IN THE LAST 2 HOURS |
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 (KDLF), launched 00:00Z, 9.5 hours before the alert went out and 183 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
- 2328 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 892 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- -30 m²/s²
- Significant tornado parameter
- -0.6
- Supercell composite
- -3.1
The text
As transmitted, in the capitals the NWS used until 2016.
436
WGUS54 KEWX 250931
FFWEWX
TXC013-029-091-187-325-463-251230-
/O.NEW.KEWX.FF.W.0007.150425T0931Z-150425T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
431 AM CDT SAT APR 25 2015
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN GUADALUPE COUNTY IN SOUTH CENTRAL TEXAS...
SOUTHEASTERN COMAL COUNTY IN SOUTH CENTRAL TEXAS...
MEDINA COUNTY IN SOUTH CENTRAL TEXAS...
NORTHWESTERN ATASCOSA COUNTY IN SOUTH CENTRAL TEXAS...
SOUTHEASTERN UVALDE COUNTY IN SOUTH CENTRAL TEXAS...
BEXAR COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 730 AM CDT
* AT 429 AM CDT...DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS
PRODUCING HEAVY RAIN FROM NEW BRAUNFELS TO SAN ANTONIO TO HONDO TO
UVALDE. THESE STORMS WERE MOVING ACROSS THE SAME AREAS. UP TO TWO
INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO
BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SAN ANTONIO...NEW BRAUNFELS...SEGUIN...UNIVERSAL CITY...UVALDE...
HONDO...DEVINE...CASTROVILLE...SCHERTZ...CIBOLO...LIVE OAK...LEON
VALLEY...KIRBY...HELOTES...ALAMO HEIGHTS...SELMA...WINDCREST...
TERRELL HILLS...BULVERDE AND GARDEN RIDGE.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
DO NOT ENTER OR CROSS FLOWING WATER OR WATER OF UNKNOWN DEPTH.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 2911 9978 2946 9975 2954 9896 2970 9856
2977 9804 2957 9792 2910 9880
$$
CP3 follow-up statements
119
WGUS74 KEWX 251051
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
551 AM CDT SAT APR 25 2015
TXC013-029-091-187-325-463-251230-
/O.CON.KEWX.FF.W.0007.000000T0000Z-150425T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUADALUPE TX-COMAL TX-MEDINA TX-ATASCOSA TX-UVALDE TX-BEXAR TX-
551 AM CDT SAT APR 25 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 AM CDT FOR
SOUTHWESTERN GUADALUPE...SOUTHEASTERN COMAL...MEDINA...NORTHWESTERN
ATASCOSA...SOUTHEASTERN UVALDE AND BEXAR COUNTIES...
AT 550 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
POCKETS OF HEAVY RAIN PERSISTING ACROSS THE WARNED AREA. UP TO TWO
INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING WILL CONTINUE.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SAN ANTONIO...NEW BRAUNFELS...SEGUIN...UNIVERSAL CITY...UVALDE...
HONDO...DEVINE...CASTROVILLE...SCHERTZ...CIBOLO...LIVE OAK...LEON
VALLEY...KIRBY...HELOTES...ALAMO HEIGHTS...SELMA...WINDCREST...
TERRELL HILLS...BULVERDE AND GARDEN RIDGE.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
DO NOT ENTER OR CROSS FLOWING WATER OR WATER OF UNKNOWN DEPTH.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 2911 9978 2946 9975 2954 9896 2970 9856
2977 9804 2957 9792 2910 9880
$$
CP528
WGUS74 KEWX 251152
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
652 AM CDT SAT APR 25 2015
TXC013-029-091-187-325-463-251230-
/O.CON.KEWX.FF.W.0007.000000T0000Z-150425T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUADALUPE TX-COMAL TX-MEDINA TX-ATASCOSA TX-UVALDE TX-BEXAR TX-
652 AM CDT SAT APR 25 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 AM CDT FOR
SOUTHWESTERN GUADALUPE...SOUTHEASTERN COMAL...MEDINA...NORTHWESTERN
ATASCOSA...SOUTHEASTERN UVALDE AND BEXAR COUNTIES...
AT 651 AM CDT...DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS
PRODUCING MODERATE TO HEAVY RAIN FROM SAN ANTONIO TO YANCEY. UP TO
TWO INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING WILL
CONTINUE.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SAN ANTONIO...NEW BRAUNFELS...SEGUIN...UNIVERSAL CITY...UVALDE...
HONDO...DEVINE...CASTROVILLE...SCHERTZ...CIBOLO...LIVE OAK...LEON
VALLEY...KIRBY...HELOTES...ALAMO HEIGHTS...SELMA...WINDCREST...
TERRELL HILLS...BULVERDE AND GARDEN RIDGE.
ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE 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.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 2911 9978 2946 9975 2954 9896 2970 9856
2977 9804 2957 9792 2910 9880
$$
CP025
WGUS74 KEWX 251234
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
734 AM CDT SAT APR 25 2015
TXC013-029-091-187-325-463-251240-
/O.EXP.KEWX.FF.W.0007.000000T0000Z-150425T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUADALUPE TX-COMAL TX-MEDINA TX-ATASCOSA TX-UVALDE TX-BEXAR TX-
734 AM CDT SAT APR 25 2015
...THE FLASH FLOOD WARNING FOR SOUTHWESTERN GUADALUPE...SOUTHEASTERN
COMAL...MEDINA...NORTHWESTERN ATASCOSA...SOUTHEASTERN UVALDE AND
BEXAR COUNTIES HAS EXPIRED...
THE HEAVY RAIN WILL MOVE OUT OF THE AREA BY 745 AM CDT. WIDESPREAD
FLASH FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. THE WARNING
WAS ALLOWED TO EXPIRE. HOWEVER...SOME STREAMS WILL CONTINUE TO RUN
HIGH AND SOME MINOR FLOODING WILL PERSIST IN AREAS WITH POOR
DRAINAGE FOR THE NEXT FEW HOURS. AN URBAN AND SMALL STREAM FLOOD
ADVISORY IS IN EFFECT UNTIL 1030 AM CDT.
LAT...LON 2911 9978 2946 9975 2954 9896 2970 9856
2977 9804 2957 9792 2910 9880
$$
CPThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 7:00 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kinney, Uvalde | 30 min |
| Apr 24, 7:05 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Maverick, Zavala | 55 min |
| Apr 24, 7:09 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit | 36 min |
| Apr 24, 7:32 PM CDT | Special Weather Statement | EWX | Real | 43 min |
| Apr 24, 7:40 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit | 35 min |
| Apr 24, 7:49 PM CDT | Special Weather Statement | EWX | Zavala | 41 min |
| Apr 24, 7:53 PM CDT | Tornado Warning | EWX | Dimmit, Zavala | 22 min |
| Apr 24, 8:33 PM CDT | Special Weather Statement | EWX | Frio | 42 min |
| Apr 24, 8:42 PM CDT | Severe Thunderstorm Warning | EWX | Frio | 63 min |
| Apr 24, 9:10 PM CDT | Tornado Warning | EWX | Atascosa, Frio | 50 min |
| Apr 24, 9:34 PM CDT | Special Weather Statement | EWX | Atascosa | 56 min |
| Apr 24, 9:55 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Karnes, Wilson | 31 min |
| Apr 25, 1:47 AM CDT | Special Weather Statement | EWX | Kinney | 43 min |
| Apr 25, 2:02 AM CDT | Special Weather Statement | EWX | Kinney | 43 min |
| Apr 25, 2:22 AM CDT | Special Weather Statement | EWX | Medina | 38 min |
| Apr 25, 2:26 AM CDT | Severe Thunderstorm Warning | EWX | Medina | 34 min |
| Apr 25, 2:34 AM CDT | Special Weather Statement | EWX | Uvalde | 26 min |
| Apr 25, 2:38 AM CDT | Severe Thunderstorm Warning | EWX | Kinney, Uvalde | 52 min |
| Apr 25, 2:45 AM CDT | Special Weather Statement | EWX | Kerr | 45 min |
| Apr 25, 2:49 AM CDT | Special Weather Statement | EWX | Comal | 26 min |
| Apr 25, 2:59 AM CDT | Special Weather Statement | EWX | Medina | 46 min |
| Apr 25, 3:06 AM CDT | Special Weather Statement | EWX | Medina | 24 min |
| Apr 25, 3:09 AM CDT | Severe Thunderstorm Warning | EWX | Medina, Uvalde | 51 min |
| Apr 25, 3:14 AM CDT | Severe Thunderstorm Warning | EWX | Bexar, Medina | 28 min |
| Apr 25, 3:30 AM CDT | Special Weather Statement | EWX | Medina | 30 min |
| Apr 25, 3:40 AM CDT | Areal Flood Advisory | EWX | Bexar, Kinney, Medina, Uvalde | 3 hr |
| Apr 25, 3:54 AM CDT | Severe Thunderstorm Warning | EWX | Medina, Uvalde | 51 min |
| Apr 25, 3:56 AM CDT | Special Weather Statement | EWX | Guadalupe | 64 min |
| Apr 25, 3:57 AM CDT | Special Weather Statement | EWX | Bexar | 48 min |
| Apr 25, 4:07 AM CDT | Severe Thunderstorm Warning | EWX | Bexar | 38 min |
| Apr 25, 4:19 AM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Bexar, Medina | 56 min |
| Apr 25, 4:35 AM CDT | Areal Flood Advisory | EWX | Bastrop, Caldwell, Fayette, Lee | 3 hr |
| Apr 25, 4:46 AM CDT | Special Weather Statement | EWX | Caldwell | 44 min |
| Apr 25, 4:49 AM CDT | Special Weather Statement | EWX | Guadalupe | 26 min |
| Apr 25, 4:53 AM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Bexar, Karnes, Wilson | 67 min |
| Apr 25, 5:00 AM CDT | Severe Thunderstorm Warning | EWX | Comal, Guadalupe | 30 min |
| Apr 25, 5:25 AM CDT | Special Weather Statement | EWX | Caldwell | 50 min |
| Apr 25, 5:26 AM CDT | Special Weather Statement | EWX | Caldwell | 49 min |
| Apr 25, 5:38 AM CDT | Severe Thunderstorm Warning | EWX | DeWitt, Gonzales, Guadalupe, Karnes, Wilson | 67 min |
| Apr 25, 5:42 AM CDT | Special Weather Statement | EWX | Fayette | 33 min |
| Apr 25, 5:46 AM CDT | Areal Flood Advisory | EWX | Caldwell, DeWitt, Fayette, Gonzales, Guadalupe, Karnes and 2 more | 3 hr |
| Apr 25, 6:34 AM CDT | Severe Thunderstorm Warning | EWX | DeWitt, Lavaca | 32 min |
| Apr 25, 7:00 AM CDT | Special Weather Statement | EWX | Bexar | 30 min |
| Apr 25, 7:30 AM CDT | Areal Flood Advisory | EWX | Atascosa, Bexar, Comal, Frio, Guadalupe, Medina and 1 more | 3 hr |
| Apr 25, 8:15 AM CDT | Special Weather Statement | EWX | DeWitt, Gonzales | 45 min |
| Apr 25, 8:33 AM CDT | Special Weather Statement | EWX | Fayette | 42 min |
| Apr 25, 12:03 PM CDT | River Flood Warning | EWX | Bexar, Wilson | 28 hr |
| Apr 25, 2:53 PM CDT | River Flood Warning | EWX | Bexar | 17 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; radar from the NEXRAD Level II archive.