Alert archive / Texas / Flash Flood Warnings in 2016
Flash Flood Warning 65, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Aug 16, 2016, 6:34 AM CDT for 4 counties in Texas. It was in force for 3 hr. 1 report 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, 6:34 AM CDT (11:34 UTC)
- Expired
- Aug 16, 2016, 9:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Blanco County, TX, Burnet County, TX, Hays County, TX, Travis County, TX
The radar
The Austin/San Antonio radar (KEWX), 65 km from the middle of the area, began a volume at 11:36 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, 7:57 AM CDT | FLASH FLOOD | 3 E Driftwood, TX | LOW WATER CROSSING AT FM 967 AT BRANGUS RD CLOSED DUE TO FLOODING. OTHER LOW WATER CROSSINGS CLOSED IN HAYS COUNTY. |
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 00:00Z, 11.6 hours before the alert went out and 291 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
- 1231 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- -110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
761
WGUS54 KEWX 161134
FFWEWX
TXC031-053-209-453-161430-
/O.NEW.KEWX.FF.W.0065.160816T1134Z-160816T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
634 AM CDT TUE AUG 16 2016
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTH CENTRAL BURNET COUNTY IN SOUTH CENTRAL TEXAS...
SOUTHWESTERN TRAVIS COUNTY IN SOUTH CENTRAL TEXAS...
NORTHEASTERN BLANCO COUNTY IN SOUTH CENTRAL TEXAS...
NORTHWESTERN HAYS COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 930 AM CDT
* AT 628 AM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
HEAVY RAIN FALLING ACROSS THE WARNED AREA. UP TO TWO INCHES OF
RAIN HAS ALREADY FALLEN OVER THE PAST TWO HOURS OVER THE WARNED
AREA. THIS AREA HAS RECEIVED 3 TO 6 INCHES OF RAIN OVER THE PAST
THREE DAYS WITH LOCALLY HIGHER AMOUNTS IN WESTERN TRAVIS COUNTY.
ADDITIONAL RAINFALL AMOUNTS OF UP TO TWO INCHES PER HOUR IS
EXPECTED OVER THE WARNED AREA FOR THE NEXT THREE HOURS. SOME LOW
WATER CROSSINGS ARE ALREADY BECOMING INUNDATED. FLASH FLOODING
EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
AUSTIN...DRIPPING SPRINGS...LAKEWAY...LAGO VISTA...BEE CAVE...
THE HILLS...BEAR CREEK...SPICEWOOD...HUDSON BEND...SHADY HOLLOW...
SMITHWICK...PEDERNALES FALLS STATE PARK...BARTON CREEK...
DRIFTWOOD...MANSFIELD DAM...HENLY...BRIARCLIFF...HAYS...
HAYS CITY AND MOUNT GAINOR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.
&&
LAT...LON 3039 9788 3015 9785 2998 9795 3023 9829
3059 9814
$$
LJH2 follow-up statements
434
WGUS74 KEWX 161316
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
816 AM CDT TUE AUG 16 2016
TXC209-161316-
/O.CAN.KEWX.FF.W.0065.000000T0000Z-160816T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HAYS TX-
816 AM CDT TUE AUG 16 2016
...THE FLASH FLOOD WARNING FOR NORTHWESTERN HAYS COUNTY IS
CANCELLED...
FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO
HEED ANY REMAINING ROAD CLOSURES.
LAT...LON 3039 9788 3015 9785 3027 9805 3036 9817
3035 9818 3037 9822 3059 9814
$$
TXC031-053-453-161430-
/O.CON.KEWX.FF.W.0065.000000T0000Z-160816T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURNET TX-TRAVIS TX-BLANCO TX-
816 AM CDT TUE AUG 16 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 AM CDT FOR
SOUTH CENTRAL BURNET...SOUTHWESTERN TRAVIS AND NORTHEASTERN BLANCO
COUNTIES...
AT 811 AM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES CONTINUE TO INDICATE THAT
MODERATE TO HEAVY RAIN STILL AFFECTING AREAS ACROSS WESTERN TRAVIS...
EASTERN BLANCO AND SOUTHERN BURNET COUNTY. LCRA GAUGES NETWORK SHOWS
RAINFALL AMOUNTS OF 2 TO 3 INCHES THE PAST 6 HOURS. SEVERAL SOCIAL MEDIA REPORTS
SHOW FLOODING YARDS AND FEW LOW WATER CROSSINGS INUNDATED.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
AUSTIN...LAKEWAY...LAGO VISTA...BEE CAVE...THE HILLS...SPICEWOOD...
MANSFIELD DAM...HUDSON BEND...SMITHWICK...BARTON CREEK...SHADY HOLLOW AND
BRIARCLIFF.
ADDITIONAL RAINFALL AMOUNTS OF ONE INCH OR SO ARE POSSIBLE IN
THE ALREADY AFFECTED AREAS AS A CLUSTER OF MODERATE TO HEAVY SHOWERS
PUSHES TO THE NORTH ALONG INTERSTATE 35.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.
&&
LAT...LON 3039 9788 3015 9785 3027 9805 3036 9817
3035 9818 3037 9822 3059 9814
$$331
WGUS74 KEWX 161414
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
914 AM CDT TUE AUG 16 2016
TXC031-053-453-161423-
/O.CAN.KEWX.FF.W.0065.000000T0000Z-160816T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURNET TX-TRAVIS TX-BLANCO TX-
914 AM CDT TUE AUG 16 2016
...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL BURNET...SOUTHWESTERN
TRAVIS AND NORTHEASTERN BLANCO COUNTIES IS CANCELLED...
THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.
LAT...LON 3039 9788 3015 9785 3027 9805 3036 9817
3035 9818 3037 9822 3059 9814
$$The 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, 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, 2:56 PM CDT | Flash Flood Warning | EWX | Hays, Travis, Williamson | 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.