National Weather Service Advanced Hydrologic Prediction Service

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Weather Forecast Office Corpus Christi, TX

West Gulf River Forecast Center

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (CDT)

Datum: Not Available

Metadata

NOTE: Forecasts for the Frio River at Tilden 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:	27
Moderate Flood Stage:	26
Flood Stage:	22
Action Stage:	12
Low Stage (in feet):	-9999

Historic Crests
(1) 30.06 ft on 07/10/2002
(2) 30.03 ft on 09/11/2002
(3) 29.80 ft on 06/28/1997
(4) 29.56 ft on 06/28/1997
(5) 29.18 ft on 06/09/1987
(6) 28.41 ft on 06/05/1987
(7) 28.20 ft on 07/02/1932
(8) 28.00 ft on 09/01/1919
(9) 27.61 ft on 06/17/1987
(10) 27.11 ft on 07/28/2007
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 22.33 ft on 09/23/2018
(2) 7.59 ft on 05/26/2017
(3) 9.29 ft on 10/02/2016
(4) 6.54 ft on 09/26/2016
(5) 21.11 ft on 08/23/2016
(6) 18.30 ft on 06/08/2016
(7) 25.04 ft on 05/31/2015
(8) 14.59 ft on 03/22/2015
(9) 16.50 ft on 10/17/2013
(10) 27.11 ft on 07/28/2007
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

Zoom Level:16

	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
38.44	This is the flood of record outside period of record, occurring on July 1932
30.06	This is the flood of record which occurred on July 10 2002. Disastrous flooding of commercial and residential buildings in Tilden
29.8	Major flooding occurs. Disastrous flooding of commercial and residential buildings in Tilden. Restuarant on the right bank of the Frio River had 3 to 4 feet of water in it
29.18	This is similar to the flood on June 9 1937. The restaurant had 3 feet of water inside. Numerous homes were flooded
27	Major flooding occurs. Numerous residences and businesses flood in Tilden, requiring persons vulnerable to flooding to be evacuated. Lowland flooding of crops and pastureland traps and potentially drowns livestock. Most roads near the river are flooded and dangerous. Water reaches the parking lot and doors of the cafe
26	Moderate flooding occurs. The flow is to the slab elevation of the lowest businesses and homes in Tilden. Numerous roads and low bridges flood and become very dangerous to motorists. Hundreds of livestock are trapped and potentially drowned in the flood plain, below Derby to the Choke Canyon Reservoir
22	Minor lowland flooding of crops and pastureland occurs. Secondary roads and low bridges are also flooded
20	Overbank conditions below Derby to Choke Canyon Reservoir occur, and floods the lowest secondary roads and bridges near the river
17	Overbank conditions occur into lowest areas of the flood plain
12	The river reaches bankfull stage
Photos (1) Gage Location on Bridge (2) Overflow Area on Upstream Side of Bridge (3) Frio River Looking Upstream (4) Frio River Looking Downstream (5) Overbank Area on Bridge (6) Areal View of Flooding July 2002 (7) July 2002 Flooing Along Highway (8) July 2002 Flooding in Frio River Floodplain (9) July 2002 Flooding Along Highway (10) Areal View of Flooding in River Basin (11) Releases At Choke Canyon Dam During July 2002 (12) Areal View of Flooding Near River July 2002

About This Location

Latitude: 28.467222° N, Longitude: 98.547222° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	22 ft	22 ft	Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum	Elevation (gauge height = 22)	Elevation (gauge height = flood stage)	Elevation information source
NAVD88	Not Available	Not Available	Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29	216.04	Not Available	Older USGS topographic maps, NGVD29 benchmarks
MSL	Not Available	Not Available	Older USGS topographic maps, MSL benchmarks
Other	216.04 ft	238.04 ft

Current/Historical Observations:

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

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Hydrologic Resources

Additional Resources

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
Corpus Christi Weather Forecast Office
426 Pinson Drive
Corpus Christi, TX 78406-1803
(361) 289-0959
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Page last modified: 1-Mar-2019 12:34 AM

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