Alert archive / Texas / Flash Flood Warnings in 2018
Flash Flood Warning 65, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Oct 17, 2018, 5:07 AM CDT for Burnet County, Travis County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 17, 2018, 5:07 AM CDT (10:07 UTC)
- Expired
- Oct 17, 2018, 8:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Burnet County, TX, Travis County, TX
The radar
The Ft Hood radar (KGRK), 61 km from the middle of the area, began a volume at 10:07 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.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 10.1 hours before the alert went out and 271 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
- 687 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
760
WGUS54 KEWX 171007
FFWEWX
TXC053-453-171300-
/O.NEW.KEWX.FF.W.0065.181017T1007Z-181017T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Austin/San Antonio TX
507 AM CDT WED OCT 17 2018
The National Weather Service in Austin San Antonio has issued a
* Flash Flood Warning for...
Northwestern Travis County in south central Texas...
South central Burnet County in south central Texas...
* Until 800 AM CDT
* At 505 AM CDT, gauge reports continued to indicate rapid rises of
the Colorado River upstream from Lake Travis are producing flash
flooding along the lower shorelines of Lake Travis.
* Some locations that will experience flooding include...
Lakeway, Hudson Bend, Mansfield Dam, Briarcliff, Point Venture and
Volente. Roadways connecting these communities may be cut off by
the rising waters. Water may begin entering the homes on the
lowest shores of Lake Travis shortly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3049 9785 3047 9785 3046 9783 3037 9785
3031 9801 3048 9818 3058 9813
$$
CP1 follow-up statement
590
WGUS74 KEWX 171307
FFSEWX
Flash Flood Statement
National Weather Service Austin/San Antonio TX
807 AM CDT WED OCT 17 2018
TXC053-453-171311-
/O.EXP.KEWX.FF.W.0065.000000T0000Z-181017T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Travis TX-Burnet TX-
807 AM CDT WED OCT 17 2018
...THE FLASH FLOOD WARNING FOR NORTHWESTERN TRAVIS AND SOUTH CENTRAL
BURNET COUNTIES HAS EXPIRED...
The rate of rises along the shores of Lake Travis has decreased over
the last several hours. Therefore, the Flash Flood Warning has been
allowed to expire.
Additional slow rises are expected to continue today. Residents are
urged to use caution and continue to heed any remaining road
closures.
LAT...LON 3049 9785 3047 9785 3046 9783 3037 9785
3031 9801 3048 9818 3058 9813
$$
PLATTThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 16, 11:06 PM CDT | Flash Flood Warning | EWX | Burnet, Travis | 6 hr |
Nearby
Flash Flood Warnings in Texas, 2018Every flash flood warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.