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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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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: Not Available 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 Nueces River below Uvalde 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: 17 Moderate Flood Stage: 15 Flood Stage: 11 Action Stage: 10 Low Stage (in feet): -9999 Historic Crests (1) 24.88 ft on 10/28/1996 (2) 23.30 ft on 09/01/1932 (3) 19.30 ft on 07/13/1939 (4) 18.99 ft on 10/10/2018 (5) 18.91 ft on 10/16/2018 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 18.91 ft on 10/16/2018 (2) 18.99 ft on 10/10/2018 (3) 10.80 ft on 08/12/2018 (4) 14.75 ft on 11/17/2004 (5) 12.98 ft on 07/02/2002 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:16 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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25	Residents of many low lying homes in Crystal City flood in less than a day from a crest in Uvalde. Roads and bridges are damaged above Barksdale to below Carrizo Springs. Flow ranges from one half mile to four miles wide in the flood plain, trapping livestock and destroying equipment in the flood plain.
23	Disastrous widespread lowland flooding reaches several homes in Crystal City. Roads, fencing, and any improvements in the flood plain are damaged. Flow is generally 1/2 mile wide in the flood plain and livestock should be moved from vulnerable areas.
21	Lowest homes downstream in the east edge of Crystal City flood. Numerous secondary roads and low bridges are extremely dangerous to motorists above Barksdale to below Carrizo Springs. Livestock are cut off and equipment destroyed in the flood plain from the headwaters to below Tilden with massive damage to fencing and secondary roads.
17	Major flooding extends well into the flood plain. Livestock in the flood plain should be moved to higher ground immediately. Highways 57, 65, 85, 190, and Farm to Market 1025 are flooded and closed. Fencing and roads are damaged.
15	Moderate flooding with livestock cut off and equipment destroyed in lowest areas of the flood plain. Secondary roads and low bridges are dangerous to auto traffic above Barksdale to below Carrizo Springs.
11	Minor lowland flooding nine miles southwest of Uvalde closes the Farm to Market 481 bridge floor. Livestock in the flood plain should be moved to higher ground.
10	Overbank flow nine miles southwest of Uvalde reaches the Farm to market 481 bridge floor and approaches.

About This Location

Latitude: 29.123611° N, Longitude: 99.894444° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 11 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 29 796.12 ft 807.12 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 Uvalde

Resources

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

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management West Gulf River Forecast Center Lower Colorado River Authority Guadalupe Blanco River Authority San Antonio River Authority Edwards Aquifer Authority Nueces River Authority International Boundary and Water Commission 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 Austin/San Antonio Weather Forecast Office 2090 Airport Road New Braunfels, TX 78130 (830) 629-0130 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:29 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities