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 Austin/San Antonio, TX

West Gulf River Forecast Center

Hydrograph

River at a Glance

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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 Devils River at Pafford Crossing near Comstock are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge

Flood Categories (in feet) Major Flood Stage: 12 Moderate Flood Stage: 6 Flood Stage: 5 Action Stage: 4 Low Stage (in feet): -9999 Historic Crests (1) 19.82 ft on 09/18/1974 (2) 16.18 ft on 08/12/1972 (3) 14.47 ft on 10/11/1981 (4) 14.31 ft on 08/15/1971 (5) 13.19 ft on 10/05/1986 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 6.20 ft on 10/19/2018 (2) 5.14 ft on 09/23/2018 (3) 9.38 ft on 06/10/2007 (4) 7.91 ft on 09/23/1990 (5) 8.12 ft on 07/11/1988 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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14	(4.3 meters), Major flooding. Life threatening flooding for recreationists above Paffords Crossing to Amistad Reservoir. Flow is near 150,000 cfs. Livestock should be moved from areas vulnerable to major flooding.
12	(3.7 meters), Major lowland flooding threatens visitors, automobiles and equipment at camp areas downstream to Amistad Reservoir. Livestock can be trapped and potentially drowned.
10	(3.0 meters), Widespread flooding is very dangerous to campers in the flood plain below Juno to Amistad Reservoir. Equipment and automobiles should be moved immediately from the flood plain. Livestock should be moved from flood prone areas.
8	(2.4 meters), Moderate flooding covers several hundred yards of the flood plain. Campers, automobiles and equipment can be washed downstream below Juno to Amistad Reservoir. Livestock should be moved from flood prone areas of the flood plain.
6	(1.8 meters), Moderate lowland flooding over 1/4 mile wide covers the right bank to the canyon walls. The turbulent flow can wash motorists, campers, and equipment downstream from Pafford Crossing to Amistad Reservoir. Livestock are cut off and potentially drowned below Juno to Amistad Reservoir.
5	(1.5 meters), Minor lowland flooding one quarter mile wide at Pafford Crossing covers most of the right bank. Turbulent flow above Pafford Crossing to Amistad Reservoir can wash campers, automobiles, and equipment downstream.

About This Location

Latitude: 29.676389° N, Longitude: 101.000000° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 5 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 1131.88 ft 1136.88 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 Pafford Crossing near Comstock

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