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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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Printable Image About this graph Tabular Data (UTC) Tabular Data (PDT) Datum: Not Available Metadata

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions NOTE: Forecasts for the North Fk Coquille River near Myrtle Point are issued routinely year-round.

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Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 37 Moderate Flood Stage: 36 Flood Stage: 35 Action Stage: 30 Low Stage (in feet): -9999 Historic Crests (1) 41.20 ft on 01/01/1910 (2) 38.39 ft on 12/22/2014 (3) 37.45 ft on 12/23/1964 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 36.02 ft on 12/13/2015 (2) 38.39 ft on 12/22/2014 (3) 32.19 ft on 11/21/2012 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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37	Expect significant flooding along the North Fork Coquille River and its tributaries. Significant agricultural flooding can be expected from the Gravelford area to the confluence with the South Fork Coquille River. Log jams are possible above the Copper Bridge which will have greater impacts on this situation should they occur.
35	Expect widespread pasture and agricultural flooding. Moderate bank erosion along the North Fork Coquille River and its tributaries can also be expected.
33	Expect many areas of pasture flooding particularly near the confluence with the South Fork Coquille River near Myrtle Point. Impacts on cattle and other farm animal grazing should be anticipated.
30	Expect some flooding of pasture areas along the North Fork Coquille River in low-lying areas near the river. The rising water may impact cattle and other pasture grazing farm animals.

About This Location

Latitude: 43.068178° N, Longitude: 124.107844° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 35 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 50 ft 85 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

Additional Information

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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