Alert archive / Texas / Flash Flood Warnings in 2013
Flash Flood Warning 13, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 25, 2013, 6:06 AM CDT for Bexar County, Texas. It was in force for 3 hr. 6 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 25, 2013, 6:06 AM CDT (11:06 UTC)
- Expired
- May 25, 2013, 9:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Bexar County, TX
The radar
The Austin/San Antonio radar (KEWX), 48 km from the middle of the area, began a volume at 11:07 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 |
|---|---|---|---|
| May 25, 7:00 AM CDT | FLASH FLOOD | San Antonio, TX | THE USGS RIVER GAGE OLMOS CREEK AT DRESDEN HAS RISEN TO 12.7 FEET WHICH IS JUST ABOVE MAJOR FLOOD STAGE |
| May 25, 7:15 AM CDT | FLASH FLOOD | San Antonio, TX | SAN ANTONIO RIVER AT LOOP 410 HAS RISEN TO 27.8 FEET DUE TO FLASH FLOOD RAINS...THIS IS 1.7 FEET ABOVE MAJOR FLOOD STAGE |
| May 25, 7:15 AM CDT | HEAVY RAIN 7 | 1 Ene Balcones Heights, TX | SEVEN INCHES OF RAIN HAS FALLEN SINCE MIDNIGHT |
| May 25, 7:19 AM CDT | FLASH FLOOD | San Antonio, TX | SEVERAL ROADS CLOSED DUE TO FLASH FLOODING RAINS INCLUDING WEIDNER RD AND LOOKOUT RD |
| May 25, 8:00 AM CDT | HEAVY RAIN 8.77 | 1 Sse Castle Hills, TX | 8.77 INCHES OF RAIN HAS FALLEN IN THE PAST 24 HOURS...4 INCHES OR MORE FELL IN OVER SIX HOURS |
| May 25, 9:00 AM CDT | FLASH FLOOD | 2 Sse Leon Valley, TX | INGRAM AND CALLAGHAN ROADS ARE UNDER 12 INCHES OF WATER. |
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, 11.1 hours before the alert went out and 227 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
- 1837 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 692 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
693
WGUS54 KEWX 251106
FFWEWX
TXC029-251400-
/O.NEW.KEWX.FF.W.0013.130525T1106Z-130525T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
606 AM CDT SAT MAY 25 2013
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
BEXAR COUNTY...
* UNTIL 900 AM CDT.
* AT 605 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
DETERMINED THAT RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE SLOW
MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS MOST OF BEXAR
COUNTY WITH THE SAN ANTONIO INTERNATIONAL AIRPORT RAIN GAGE
REPORTING 2.15 INCHES FOR THE PAST FEW HOURS AND DOPPLER RADAR
ESTIMATES OF ONE TO THREE INCHES PER HOUR.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...SAN
ANTONIO...ALAMO HEIGHTS...CHINA GROVE...CROSS MOUNTAIN...HELOTES...
HOLLYWOOD PARK...KIRBY...LACKLAND AFB...LEON SPRINGS...LEON
VALLEY...LIVE OAK...OLMOS PARK...SEA WORLD...SHAVANO PARK...
SOMERSET...TERRELL HILLS...THE DOMINION...TIMBERWOOD PARK AND
WINDCREST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN WATER COVERS THE ROAD...TURN AROUND DON'T DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
&&
LAT...LON 2971 9840 2957 9833 2950 9826 2933 9828
2914 9843 2925 9877 2968 9878 2973 9857
$$1 follow-up statement
921
WGUS74 KEWX 251222
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
722 AM CDT SAT MAY 25 2013
TXC029-251400-
/O.CON.KEWX.FF.W.0013.000000T0000Z-130525T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BEXAR TX-
722 AM CDT SAT MAY 25 2013
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 AM CDT FOR BEXAR
COUNTY...
AT 714 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A LINE OF THUNDERSTORMS PRODUCING FLASH FLOODING OVER MOST OF
WESTERN AND CENTRAL BEXAR COUNTY...WITH SEVERAL ROAD CLOSURES AND
OTHERS MINOR URBAN FLOODING. THE SAN ANTONIO INTERNATIONAL AIRPORT
RAIN GAGE REPORTED 4 INCHES OF RAINFALL FROM THE ONE HOUR PERIOD OF
6 TO 7 AM THIS MORNING. BASED ON RADAR TRENDS...AN ADDITIONAL ONE TO
THREE INCHES OF RAINFALL ARE POSSIBLE AS A CLUSTER OF STORMS SLOWLY
MOVE ACROSS THE AREA AND ADDITIONAL NEW STORMS MOVING FROM THE SOUTH
AND MOVING NORTHWARD AT 20 MPH IMPACT THE AREA LATER THIS MORNING.
THESE NEW STORMS ARE LIKELY TO DETERIORATE THE FLASH FLOODING
CONDITIONS ACROSS BEXAR COUNTY FOR THE NEXT COUPLE OF HOURS.
LOCATIONS IN THE WARNING AREA INCLUDE WINDCREST...TIMBERWOOD PARK...
THE DOMINION...SHAVANO PARK...LIVE OAK...LEON VALLEY...LEON
SPRINGS...HOLLYWOOD PARK...HELOTES AND CROSS MOUNTAIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN WATER COVERS THE ROAD...TURN AROUND DON'T DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
&&
LAT...LON 2971 9840 2957 9833 2950 9826 2933 9828
2914 9843 2925 9877 2968 9878 2973 9857
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 4:04 AM CDT | Areal Flood Advisory | EWX | Bexar | 116 min |
| May 25, 4:45 AM CDT | Areal Flood Advisory | EWX | Kendall | 105 min |
| May 25, 5:34 AM CDT | Areal Flood Advisory | EWX | Bexar, Comal | 116 min |
| May 25, 6:06 AM CDT | Tornado Warning | EWX | Bexar, Comal | 24 min |
| May 25, 7:28 AM CDT | Special Weather Statement | EWX | Burnet | 47 min |
| May 25, 8:04 AM CDT | Areal Flood Advisory | EWX | Comal | 116 min |
| May 25, 8:49 AM CDT | Flash Flood Warning | EWX | Bexar | 7 hr |
| May 25, 8:56 AM CDT | Flash Flood Warning | EWX | Atascosa, Karnes, Wilson | 3 hr |
| May 25, 9:01 AM CDT | Flash Flood Watch | EWX | Atascosa, Bastrop, Bexar, Blanco, Burnet, Caldwell and 15 more | 36 hr |
| May 25, 9:42 AM CDT | Flash Flood Warning | EWX | Bexar, Blanco, Caldwell, Comal, Guadalupe, Hays and 1 more | 3 hr |
| May 25, 9:42 AM CDT | River Flood Warning | EWX | Bexar | 35 hr |
| May 25, 9:42 AM CDT | River Flood Warning | EWX | Bexar | 24 hr |
| May 25, 9:42 AM CDT | River Flood Warning | EWX | Bexar, Wilson | 47 hr |
| May 25, 9:58 AM CDT | River Flood Warning | EWX | Bexar | 16 hr |
| May 25, 10:22 AM CDT | Special Weather Statement | EWX | Karnes | 38 min |
| May 25, 10:35 AM CDT | River Flood Warning | EWX | Comal, Guadalupe | 6 hr |
| May 25, 10:35 AM CDT | River Flood Warning | EWX | Comal, Gonzales, Guadalupe | 6 hr |
| May 25, 10:35 AM CDT | River Flood Warning | EWX | Comal, Guadalupe | 6 hr |
| May 25, 10:59 AM CDT | Areal Flood Advisory | EWX | Bexar, DeWitt, Gonzales, Guadalupe, Karnes, Wilson | 2 hr |
| May 25, 11:15 AM CDT | Special Weather Statement | EWX | Karnes | 45 min |
| May 25, 11:17 AM CDT | Tornado Warning | EWX | DeWitt, Karnes | 43 min |
| May 25, 11:42 AM CDT | Special Weather Statement | EWX | Karnes | 48 min |
| May 25, 11:51 AM CDT | Flash Flood Warning | EWX | Atascosa, Bexar, Caldwell, Comal, DeWitt, Gonzales and 5 more | 3 hr |
| May 25, 11:55 AM CDT | Tornado Warning | EWX | DeWitt, Karnes | 35 min |
| May 25, 5:25 PM CDT | River Flood Warning | EWX | Karnes | 3 days |
Nearby
Flash Flood Warnings in Texas, 2013Every flash flood warning in 2013
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.