Advanced Hydrologic Prediction Service: Norman: Brazos River at Seymour

weather.gov

Home

News

Organization

Search by city or zip code. Press enter or select the go button to submit request

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
User Guide

What is AHPS?
Facts
Our Partners

Feedback/Questions
Provide Feedback
Ask Questions

Observations
courtesy of

Weather Forecast Office Norman, OK

West Gulf River Forecast Center

Hydrograph

River at a Glance

Download

Weekly Chance of
Exceeding Levels

Chance of Exceeding Levels
During Entire Period

Printable Image

About this graph

Tabular Data

Datum: N/A

Metadata

NOTE: Gauge readings may be inaccurate during periods of extreme cold.

NOTE: Forecasts for the Brazos River at Seymour are issued as needed during times of high water, but are not routinely available.

Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	20
Moderate Flood Stage:	15
Flood Stage:	12
Action Stage:	10

Historical Crests
(1) 23.00 ft on 10/01/1906
(1) 23.00 ft on 09/28/1955
(3) 18.98 ft on 10/05/1955
(4) 18.60 ft on 08/17/2005
(5) 18.54 ft on 10/20/1960
Show More Historical Crests

Flood Impacts

22.0	Croplands...pastures...and local highways flood across most of the river valley...in Knox and Baylor counties. Rural areas may have overflow depths up to 10 feet...along with very devastating currents.
21.0	Croplands...pastures...and local highways flood across most of the river valley...in Knox and Baylor counties. Rural areas may have overflow depths up to 9 feet...along with very devastating currents.
20.0	Croplands...pastures...and local highways flood across most of the river valley...in Knox and Baylor counties. Rural areas may have overflow depths up to 8 feet...along with very devastating currents.
19.0	Croplands...pastures...and local highways flood across most of the river valley...in Knox and Baylor counties. Rural areas may have overflow depths up to 7 feet...along with very devastating currents.
18.0	Croplands...pastures...and local highways flood across most of the river valley...in Knox and Baylor counties. Rural areas may have overflow depths up to 6 feet...along with very devastating currents.
17.0	Croplands...pastures...and local roads flood along the river in Baylor and Knox counties. Rural areas may have overflow depths up to 5 feet...along with very dangerous currents.
16.0	Flooding affects croplands...pastures...and rural roads along the river in Knox and Baylor counties. Low-lying areas may experience depths up to 4 feet...with dangerous currents.
15.0	Flooding affects croplands...pastures...and rural roads along the river in Knox and Baylor counties. Low-lying areas may experience depths up to 3 feet...with dangerous currents.
14.0	Short duration flooding affects low-lying areas near to the river in Knox and Baylor counties.
13.0	Short duration flooding affects low-lying areas next to the river in Knox and Baylor counties.
12.0	Shallow and short duration flooding affects low-lying areas along and near the river in Knox and Baylor counties.

About This Location

Latitude: 33.581000° N, Longitude: 99.267000° W, Horizontal Datum: NAD83

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	12 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	N/A	N/A	Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29	1238.97 ft	1250.97 ft	Older USGS topographic maps, NGVD29 benchmarks
MSL	N/A	N/A	Older USGS topographic maps, MSL benchmarks
Other	N/A	N/A

Other Data Sources:
U.S. Geological Survey (USGS) Data and Site Info for Seymour

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
Norman Weather Forecast Office
National Weather Center
120 David L. Boren Blvd.
Suite 2400
Norman, OK 73072
(405) 325-3816
Ask Questions/Webmaster
Page last modified: 3-Jul-2008 2:17 PM

Disclaimer
Credits
Glossary