National Weather Service Advanced Hydrologic Prediction Service

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Weather Forecast Office Houston/Galveston, TX

West Gulf River Forecast Center

Hydrograph

River at a Glance

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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 Navidad River near Morales 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:	34
Moderate Flood Stage:	30
Flood Stage:	29
Action Stage:	15
Low Stage (in feet):	0

Historic Crests
(1) 35.83 ft on 08/29/2017
(2) 33.50 ft on 10/19/1998
(3) 33.00 ft on 11/24/2004
(4) 32.66 ft on 06/18/2015
(5) 31.99 ft on 10/17/2007
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 35.83 ft on 08/29/2017
(2) 32.66 ft on 06/18/2015
(3) 29.45 ft on 04/18/2015
(4) 29.80 ft on 10/06/2009
(5) 31.83 ft on 04/20/2009
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

Zoom Level:16

	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
38	Major lowland flooding continues with several feet of water over County Road 283. Lowest homes in the flood plain are threatened. A community center one quarter of a mile west of the County Road 283 bridge is threatehend. Hunderds of head of livestock are cut off and potentially drowned.
34	Major lowland flooding begins with several feet of water over the approaches to the County Road 283 bridge and water threatending the bridge floor. The lowest homes in the flood plain are threatened near Vienna and in northern Jackson County. Livestock should be removed from the flood plain from the headwaters to Lake Texana.
30	Moderate lowland flooding occurs as water inundates County Road 283. Livestock could be cut off and should be removed from the flood plain.
29	Minor lowland flooding begins as water reaches the right approach to the bridge at County Road 283. Livestock should be removed from vulnerable areas of the flood plain.
26	Overbank conditions begin with water into low areas of the flood plain with little damage.
19	Flow exceeds banks into lowest areas of the flood plain with no damage.
15	At levels above 15 feet flow exceeds the lowest sections of both banks.

About This Location

Latitude: 29.135278° N, Longitude: 96.744167° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	29 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:

Resources

Hydrologic Resources

Additional Resources

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
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Page last modified: 21-Dec-2016 5:20 PM

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