Advanced Hydrologic Prediction Service: St. Louis: Meramec River near Sullivan

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Observations
courtesy of

Weather Forecast Office St. Louis, MO

North Central River Forecast Center

Hydrograph

River at a Glance

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Weekly Chance of
Exceeding Levels

Chance of Exceeding Levels
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Tabular Data

Datum: N/A

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 Meramec River near Sullivan 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:	29
Moderate Flood Stage:	20
Flood Stage:	15
Action Stage:	13

Historical Crests
(1) 33.50 ft on 08/01/1915
(2) 32.22 ft on 12/04/1982
(3) 32.00 ft on 06/09/1945
(4) 31.75 ft on 03/20/2008
(5) 29.23 ft on 04/12/1994
Show More Historical Crests

Low Water Records
(1) 0.1 ft on 12/12/2000
(1) 0.1 ft on 11/07/2000
(3) 1.0 ft on 06/12/1977
Show More Low Water Records

Meramec River near Sullivan location map

Flood Impacts & Photos

32.0	Fisher Cave Nature Trail begins to flood.
29.0	Major flooding begins.
20.0	Moderate flooding begins. Camp grounds and farm land on left bank begin to flood.
18.3	The Meramec State Park campground shower facility begins flooding.
15.0	Flood Stage. Minor flooding begins. River cottages begin to flood.
14.0	The roadway at the main entrance to the Meramec State Park campground begins flooding.
11.5	A small bridge in the back of Meramec State Park park is flooded, cutting the park in two. If the river continues to rise, park officials will evacuate the campgrounds at this point.
11.0	Right Bank begins to overflow flooding wooded areas.
6.0	When the river is rising above this height, canoe outfitters will generally not rent out canoes or rafts.

Photos
(1) Sullivan Looking Upstream
(2) Sullivan Looking Downstream

About This Location

Latitude: 38.158000° N, Longitude: 91.108000° W, Horizontal Datum: NAD83

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	15 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	581.82 ft	596.82 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 Sullivan

Additional Information

How low could the river get?

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
St. Louis Weather Forecast Office
12 Missouri Research Park Drive
St. Charles, MO 63304
(636) 441-8467
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Page last modified: 15-Apr-2009 6:43 PM

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