National Weather Service Advanced Hydrologic Prediction Service

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Weather Forecast Office Austin/San Antonio, TX

West Gulf River Forecast Center

Hydrograph

River at a Glance

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Tabular Data (UTC)

Tabular Data (CDT)

Datum: NAVD88

Metadata

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Barton Creek at Loop 360 are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	12
Moderate Flood Stage:	11
Flood Stage:	8
Action Stage:	8
Low Stage (in feet):	-9999

Historic Crests
(1) 26.00 ft on 05/25/1929
(2) 19.18 ft on 05/04/2019
(3) 19.10 ft on 10/30/2015 (P)
(4) 17.87 ft on 07/03/2002
(5) 15.50 ft on 11/16/2001
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 13.17 ft on 05/09/2019
(2) 19.18 ft on 05/04/2019
(3) 19.10 ft on 10/30/2015 (P)
(4) 13.20 ft on 05/26/2015
(5) 13.13 ft on 05/24/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Show FEMA's National Flood Hazard Layers

Zoom Level:19

	Gauge Location	Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.

Flood Impacts & Photos

If you notice any errors in the below information, please contact our Webmaster
26	Flow is near the USGS 1:100 year flood level (26 feet - 44,400 cfs). Disastrous flooding reaches several homes in the lower flood plain. Streets, roads and bridges are very dangerous to motorists. Barton Springs Pool is severely damaged.
25	Flow reaches the usgs 1:50 year flood level (34,200 cfs). Major flooding severely damages Barton Springs Pool downstream. Roads, streets and bridges are extremely dangerous to motorists. Lowest residences are threatened.
23	Major, very dangerous flooding occurs. Many streets and bridges above Loop 360 to the Colorado River are very dangerous. Nearing the USGS 1:50 foot flood level. Barton Springs Pool is severely damaged. Lowest residences are threatened.
22	The Barton Creek flood plain is very dangerous. Travel should be prohibited on streets and bridges that cross the flood plain. Barton Springs Pool will be severely impacted with major damage. Well in excess of a 1:25 year flood. Lowest residences are threatened.
20	Flow is in excess of the USGS 1:25 year flood level. Severe flooding damage to Barton Springs Pool downstream. Major flooding makes low lying streets and bridges very dangerous.
18	Major flooding of the lower flood plain occurs including Barton Springs Pool. Flow reaches the usgs 1:25 year flood level (25,400 cfs). Low roads, streets and bridges are severely flooded and dangerous.
16	Major flooding causes severe damage to Barton Springs Pool downstream. Roads, streets and bridges are severely flooding and dangerous in the Barton Creek flood plain.
14	Major flooding covers lower areas of Barton Springs Pool downstream. Jogging and biking trails in the lower flood plain are flooded. Flow is near the USGS 1:10 year flood level of 14.2 feet.
12	Major flooding puts flow overbanks in Barton Springs Pool downstream. Roads and low bridges are very dangerous above Loop 360 to the Colorado River.
11	Minor lowland flooding reaches lowest secondary roads and low bridges. Significant rise downstream in Barton Springs Pool.
8	Flow exceeds lowest sections of the banks.

About This Location

Latitude: 30.244444° N, Longitude: 97.801944° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	8 ft	Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum	Elevation (gauge height = 0)	Elevation (gauge height = flood stage)	Elevation information source
NAVD88	511.11	519.11	Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29	Not Available	Not Available	Older USGS topographic maps, NGVD29 benchmarks
MSL	Not Available	Not Available	Older USGS topographic maps, MSL benchmarks
Other	Not Available	Not Available

Current/Historical Observations:

U.S. Geological Survey (USGS) Data and Site Info for Loop 360

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Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

NWS Information

National Weather Service
Austin/San Antonio Weather Forecast Office
2090 Airport Road
New Braunfels, TX 78130
(830) 629-0130
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Page last modified: 2-Nov-2020 7:29 PM

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