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Weather Forecast Office Medford, OR

Northwest 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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NOTE: Forecasts for the South Fk Coquille River at Myrtle Point are issued routinely year-round.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 37 Moderate Flood Stage: 35 Flood Stage: 33 Action Stage: 30 Low Stage (in feet): 0 Historic Crests (1) 46.75 ft on 12/22/1964 (2) 46.10 ft on 11/19/1996 (3) 46.00 ft on 12/06/1981 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 35.33 ft on 04/09/2019 (2) 34.72 ft on 02/10/2017 (3) 33.01 ft on 12/18/2015 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records Currently none available.

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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40	Extensive and widespread flooding along and near the South Fork Coquille River can be expected along with damage to houses farms and roads.
37	Extensive road and farmland flooding upstream and downstream of Myrtle Point can be expected. Some residents of low-lying areas in the vicinity of Myrtle Point may be threatened.
35	Expect flooding along some sections of Highway 42 downstream from Myrtle Point and along the highway to Powers. Widespread flooding of agricultural land can be expected.
33	The South Fork Coquille River is at flood stage. Expect flooding of roads west of the Spruce Street Bridge and significant pasture and agricultural land flooding.
32	Numerous areas of farmland become flooded and water nears the roads on the west side of the Spruce Street Bridge in Myrtle Point.
30	Agricultural and pasture land begins to flood. Impacts on cattle grazing are possible.

About This Location

Latitude: 43.065665° N, Longitude: 124.147048° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 33 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 15 ft 48 ft 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 Not Available Not Available   Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for Myrtle Point

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Northwest River Forecast Center California Nevada River Forecast Center Snow values Interactive Map Mean daily surface air temperature Cumulative thawing degree days Reservoir summary for Oregon (nrcs) Reservoir summary for California (nrcs) Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Snow Information FloodSmart.gov FEMA National Flood Insurance Program

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