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 Houston/Galveston, TX

West Gulf River Forecast Center

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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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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 Brazos River near West Columbia are issued routinely year-round.

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Upstream Gauge

Flood Categories (in feet) Major Flood Stage: 27 Moderate Flood Stage: 25 Flood Stage: 23 Action Stage: 20 Low Stage (in feet): -9999 Historic Crests (1) 30.73 ft on 09/03/2017 (2) 30.22 ft on 06/08/2016 (3) 28.33 ft on 05/14/2019 (4) 19.96 ft on 04/02/2018 (P): Preliminary values subject to further review. Recent Crests (1) 28.33 ft on 05/14/2019 (2) 19.96 ft on 04/02/2018 (3) 30.73 ft on 09/03/2017 (4) 30.22 ft on 06/08/2016 (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

If you notice any errors in the below information, please contact our Webmaster
30.73	Flood of record occurred on September 3rd, 2017, during Hurricane Harvey. Massive widespread floodign occurred. Part of West Columbia is threatened.
30	Homes in Columbia Lakes are threatened.
29	Major lowland flooding continues with widespread structure flooding occurring.
28.5	Lowest areas in East Columbia are threatened.
28	Major lowland flooding continues with subdivisions such as Columbia Lakes, Mallard Lakes and Great Lakes being cut off. Low lying areas along State Highway 35 on the left bank are flooded with approximately 0.5 to 1.0ft of inundation.
27.5	Low lying areas along State Highway 35 on the left bank are flooded. State Highway 35 has at least 0.5ft of inundation.
27	Major lowland flooding begins as water escapes the mainstem of the Brazos River near the gauge. Staet Highway 35 is impassable on the left bank if soils are saturated. Low lying homes cut off and homes across from Columbia Lakes are threatened.
26	Moderate flooding continues as widespread county road flooding occurs. State Highway 35 is close to being threatened if soils are saturated.
25	Moderate lowland flooding begins as water escapes the mainstem of the Brazos River approximately 6 miles downstream of the gauge. Lowest homes in Bar X are threatened.
23	Minor lowland flooding begins with county roads threatened from backwater including Pony Trail and Mitchell Road/645
20	Action stage begins as water begins to backup tributaries of the mainstem specifically Varner Creek.

About This Location

Latitude: 29.144000° N, Longitude: 95.605800° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 23 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other NULL NULL   Current/Historical Observations: Corps of Engineers (COE) Info for West Columbia U.S. Geological Survey (USGS) Data and Site Info for West Columbia

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary United States Geological Survey Drought Indicies Inundation Mapping Locations Weather Prediction Center

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management West Gulf River Forecast Center Harris County Flood Control District Brazoria County Office of Emergency Management Fort Bend County State of Texas Office of Emergency Management Trinity River Authority San Jacinto River Authority Brazos River Authority Lower Colroado River Authority Lavaca-Navidad 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 Houston/Galveston Weather Forecast Office 1353 FM 646, Suite 202 Dickinson, TX 77539 (281) 337-5074 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:29 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities