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

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 Trinity River near Crockett are issued routinely year-round.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 48 Moderate Flood Stage: 45 Flood Stage: 41 Action Stage: 35 Low Stage (in feet): -9999 Historic Crests (1) 48.54 ft on 05/10/1990 (2) 48.50 ft on 12/26/1991 (3) 47.68 ft on 05/15/1969 (4) 47.60 ft on 05/31/2015 (5) 47.59 ft on 05/07/1966 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 44.09 ft on 06/03/2021 (P) (2) 45.88 ft on 05/21/2019 (3) 45.13 ft on 01/08/2019 (P) (4) 42.92 ft on 10/27/2018 (P) (5) 41.34 ft on 05/02/2016 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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52	Massive flooding of ranching and agricultural interests along the river occurs.
49	There is major flooding of ranches and farms along the river.
48	Major lowland flooding begins. Most ranches along the river experience flooding problems with many rural roads underwater.
45	Moderate lowland flooding begins in the vicinity of the gage impacting livestock grazing and prison farms. In past floods problems occurred from the Highway 7 bridge downstream to Highway 21 bridge due to high flows in the backwater of Lake Livingston.
43	Minor lowland flooding continues in the vicinity of the gage impacting ranching operations and prison farms. Livestock should be removed from low areas in the flood plain.
41	Minor lowland flooding begins in the vicinity of the gage creating problems for cattle ranches and prison farms. Livestock may need to be removed from low areas in the flood plain.
35	Minor overbank is flow expected. All livestock and equipment should be removed from the flood plain.

About This Location

Latitude: 31.338333° N, Longitude: 95.656111° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 41 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 Crockett U.S. Geological Survey (USGS) Data and Site Info for Crockett

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