Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

Weather Forecast Office Corpus Christi, TX

West Gulf River Forecast Center

Hydrograph

River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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Printable Image About this graph Tabular Data (UTC) Tabular Data (CDT) Datum: NGVD29 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 Coleto Creek at Highway 59 are issued routinely year-round.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 30 Moderate Flood Stage: 28 Flood Stage: 25 Action Stage: 15 Low Stage (in feet): 0 Historic Crests (1) 42.00 ft on 09/22/1967 (2) 37.85 ft on 04/20/1976 (3) 36.64 ft on 10/16/1946 (4) 32.20 ft on 07/01/1936 (5) 28.00 ft on 04/05/1991 (6) 27.98 ft on 11/22/2004 (7) 27.68 ft on 04/17/1992 (8) 27.02 ft on 10/31/1981 (9) 26.00 ft on 07/09/2021 (10) 21.60 ft on 07/03/2007 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 10.66 ft on 10/16/2021 (2) 7.68 ft on 08/05/2021 (3) 26.00 ft on 07/09/2021 (4) 18.44 ft on 06/06/2021 (5) 17.45 ft on 06/04/2021 (6) 14.27 ft on 05/24/2021 (7) 21.03 ft on 08/26/2017 (8) 16.01 ft on 03/10/2016 (9) 19.84 ft on 06/18/2015 (10) 17.36 ft on 03/21/2015 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 FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:14 Legend FEMA Layer 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

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40	Major lowland flooding occurs. Water closes the northbound lane of Highway 59. The lowest homes in the flood plain flood, some up to nine feet. Livestock are cut off and potentially drowned below Highway 59. Levees near the San Antonio River confluence are threatened, as flow is several miles wide above and below Highway 35. Several tens of homes near Tivoli flood and are cut off, and a fishing camp just below Highway 35 floods.
38	Major lowland flooding occurs. The lowest homes in the flood plain flood, some up to seven feet. Hundreds of livestock are cut off and potentially drowned, below Highway 59 to the Guadalupe River confluence. The flood plain above and below Highway 35 is miles wide, flooding and isolating several tens of homes, and flooding a fishing camp near Tivoli. Thirty eight feet is the FEMA hundred year flood elevation.
31	Major lowland flooding occurs. The lowest homes below Highway 59 flood. Many livestock are cut off and potentially drowned below Highway 59 to the Guadalupe River confluence.
30	Major lowland flooding occurs. The flow approaches the lowest homes below Highway 59. Livestock below Highway 59 to the Guadalupe River confluence are cut off and potentially drowned.
28	Moderate lowland flooding of secondary roads and low bridges. Livestock are threatened in the flood plain.
25	Minor lowland flooding occurs. The flow is well into flood plain, cutting off cattle below Highway 59 to the Guadalupe River confluence. Camino drive is inundated.
19	Overbank conditions occur. The flow reaches lowest areas of the flood plain with no significant damage. The rating flattens considerably.
15	Flow exceeds the right and left banks.
Photos (1) Low-Lying area West of Bridge (2) Highway 59 At Bridge Looking South (3) Low-Lying Area Looking Southwest From Bridge (4) Normal Flow on Creek Looking Upstream (5) Looking At Bridge and Gage on Railroad Tracks (6) Coleto Creek Normal Flows Looking Upstream (7) Looking at Gage on Highway 59 - Looking Southeast (8) River During November 2004 Flood Looking Upstream (9) Water Levels During November 2004 Flood (10) November 2004 Flood Looking Downstream

About This Location

Latitude: 28.731000° N, Longitude: 97.138000° W, Horizontal Datum: NAD27 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 25 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 44.18 ft 69.18 ft 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 Highway 59

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Rainfall Frequency Atlas Maps Weather Prediction Center West Gulf River Forecast Center (WGRFC) Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Guadalupe-Blanco River Authority Nueces River Authority International Boudary & Water Commission San Antonio River Authority Snow Information

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 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:29 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities