Alert archive / Texas / Flash Flood Warnings in 2016
Flash Flood Warning 67, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Aug 16, 2016, 2:56 PM CDT for Hays County, Travis County, Williamson County, Texas. It was in force for 3 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
- Aug 16, 2016, 2:56 PM CDT (19:56 UTC)
- Expired
- Aug 16, 2016, 5:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hays County, TX, Travis County, TX, Williamson County, TX
The radar
The Austin/San Antonio radar (KEWX), 65 km from the middle of the area, began a volume at 19:59 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 |
|---|---|---|---|
| Aug 16, 3:02 PM CDT | FLASH FLOOD | 3 Ese Pilot Knob, TX | ELROY RD AT MCANGUS CLOSED DUE TO FLOODING |
| Aug 16, 3:48 PM CDT | FLASH FLOOD | 4 N Camp Mabry, TX | LOOP 360 SHUT DOWN AT BULL CREEK BETWEEN SPICEWOOD SPRINGS ROAD AND RANCH ROAD 2222. |
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 12:00Z, 7.9 hours before the alert went out and 283 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
- 1752 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 607 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- -34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
560
WGUS54 KEWX 161956
FFWEWX
TXC209-453-491-162245-
/O.NEW.KEWX.FF.W.0067.160816T1956Z-160816T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
256 PM CDT TUE AUG 16 2016
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
TRAVIS COUNTY IN SOUTH CENTRAL TEXAS...
SOUTHWESTERN WILLIAMSON COUNTY IN SOUTH CENTRAL TEXAS...
CENTRAL HAYS COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 545 PM CDT
* AT 249 PM CDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
CENTRAL AND EASTERN PARTS OF TRAVIS AND HAYS COUNTIES. THERE ARE
COUPLE OF LINES OF HEAVY SHOWERS AND ISOLATED THUNDERSTORMS THAT
WILL AFFECT THE AREA FOR THE NEXT FEW HOURS AND CONTRIBUTE TO THE
POTENTIAL OF FLASH FLOODING. SOME OF THESE AREAS HAVE RECEIVED 5
TO 8 INCHES OF RAINFALL DURING THE PAST 24 HOURS AND THIS NEW
SHOWER AND THUNDERSTORM ACTIVITY WILL INCREASE THE FLOODING
THREAT. ONE TO TWO INCHES OF RAINFALL ARE POSSIBLE ACROSS THE
AFFECTED AREAS AS THE STORMS PULL TO THE NORTH THIS AFTERNOON.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
AUSTIN...ROUND ROCK...CEDAR PARK...PFLUGERVILLE...SAN MARCOS...
DRIPPING SPRINGS...WINDEMERE...TANGLEWOOD FOREST...ANDERSON MILL...
AUSTIN BERGSTROM INT AP...KYLE...LEANDER...LAKEWAY...BUDA...
LAGO VISTA...MANOR...BEE CAVE...WEST LAKE HILLS...
THE HILLS AND ROLLINGWOOD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3050 9777 3041 9740 3021 9750 2999 9776
2994 9780 2989 9788 3013 9817 3064 9802
$$1 follow-up statement
908
WGUS74 KEWX 162127
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
427 PM CDT TUE AUG 16 2016
TXC209-453-491-162245-
/O.CON.KEWX.FF.W.0067.000000T0000Z-160816T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRAVIS TX-WILLIAMSON TX-HAYS TX-
427 PM CDT TUE AUG 16 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
TRAVIS...SOUTHWESTERN WILLIAMSON AND CENTRAL HAYS COUNTIES...
AT 419 PM CDT...DOPPLER RADAR INDICATED SHOWERS WITH EMBEDDED
MODERATE TO HEAVY RAINFALL OCCURRING ACROSS MUCH OF CENTRAL AND
EASTERN TRAVIS COUNTY. BETWEEN 1 AND 2 INCHES OF RAINFALL HAVE
OCCURRED ACROSS THIS AREA THE PAST 2 HOURS. AN ADDITIONAL 1 INCH IS
POSSIBLE. FLOODING HAS BEGUN IN SOME LOCATIONS ACROSS THE WARNED
AREA.
MOTORISTS SHOULD USE EXTREME CAUTION DURING THE EVENING RUSH HOUR
AND BE ALERT FOR FLOODED LOW WATER CROSSINGS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
AUSTIN...ROUND ROCK...CEDAR PARK...PFLUGERVILLE...SAN MARCOS...
DRIPPING SPRINGS...WINDEMERE...TANGLEWOOD FOREST...ANDERSON MILL...
AUSTIN BERGSTROM INT AP...KYLE...LEANDER...LAKEWAY...BUDA...
LAGO VISTA...MANOR...BEE CAVE...WEST LAKE HILLS...
THE HILLS AND ROLLINGWOOD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3050 9777 3041 9740 3021 9750 2999 9776
2994 9780 2989 9788 3013 9817 3064 9802
$$
RUNYENThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 3:43 AM CDT | Areal Flood Advisory | EWX | Comal, Hays | 107 min |
| Aug 16, 5:38 AM CDT | Areal Flood Advisory | EWX | Blanco, Burnet, Comal, Hays, Travis | 3 hr |
| Aug 16, 6:34 AM CDT | Flash Flood Warning | EWX | Blanco, Burnet, Hays, Travis | 3 hr |
| Aug 16, 7:58 AM CDT | Flash Flood Warning | EWX | Burnet, Travis, Williamson | 3 hr |
| Aug 16, 8:51 AM CDT | Areal Flood Advisory | EWX | Dimmit, Zavala | 3 hr |
| Aug 16, 10:52 AM CDT | Areal Flood Advisory | EWX | Burnet, Williamson | 3 hr |
| Aug 16, 12:56 PM CDT | Areal Flood Advisory | EWX | Atascosa, Karnes | 3 hr |
| Aug 16, 1:37 PM CDT | Areal Flood Advisory | EWX | Williamson | 3 hr |
| Aug 16, 1:50 PM CDT | Areal Flood Advisory | EWX | Hays, Travis | 3 hr |
| Aug 16, 2:09 PM CDT | River Flood Warning | EWX | Travis | 30 hr |
| Aug 16, 2:26 PM CDT | Areal Flood Advisory | EWX | Atascosa, Bandera, Bexar, Blanco, Comal, Frio and 5 more | 3 hr |
| Aug 16, 3:16 PM CDT | Areal Flood Advisory | EWX | Bastrop, Caldwell, Travis | 3 hr |
| Aug 16, 4:12 PM CDT | River Flood Warning | EWX | Williamson | 16 hr |
| Aug 16, 4:18 PM CDT | Flash Flood Warning | EWX | Bastrop, Caldwell, DeWitt, Fayette, Gonzales, Lavaca and 2 more | 3 hr |
| Aug 16, 4:50 PM CDT | Flash Flood Warning | EWX | Bandera, Bexar, Kendall, Medina | 115 min |
| Aug 16, 5:45 PM CDT | Flash Flood Warning | EWX | Travis | 2 hr |
| Aug 16, 6:47 PM CDT | Areal Flood Advisory | EWX | Bexar | 58 min |
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; radar from the NEXRAD Level II archive.