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Weather Forecast Office Medford, OR

Northwest River Forecast Center

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (PDT)

Datum: Not Available

Metadata

NOTE: Gauge readings unavailable - awaiting repair.

NOTE: Forecasts for the South Umpqua River near Riddle are issued routinely year-round.

Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	24
Moderate Flood Stage:	21
Flood Stage:	19
Action Stage:	18
Low Stage (in feet):	0

Historic Crests
(1) 20.32 ft on 12/30/2005
(2) 20.09 ft on 12/09/1996
(3) 19.81 ft on 01/01/1997
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.02 ft on 11/20/2012
(2) 20.32 ft on 12/30/2005
(3) 19.81 ft on 01/01/1997
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

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
20.32	Record stage since installation of gage. Widespread flooding of low-lying agricultural land is occurring. Some structures along and near the river are flooded.
20	Widespread flooding of low-lying agricultural land and some structures is occurring along the South Umpqua River in the vicinity of Riddle.
19	The South Umpqua River near Riddle is at flood stage. Widespread flooding of low-lying agricultural land and structures along the river is occurring.
18	The South Umpqua River near Riddle is at bankfull stage. Some flooding of low land is taking place.

About This Location

Latitude: 42.951944° N, Longitude: 123.334722° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	19 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	622.334 ft	641.334 ft	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 Riddle

Additional Information

This gauge is awaiting repair. Funding is not available and will not be for the foreseeable future.

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
Medford Weather Forecast Office
4003 Cirrus Drive
Medford, OR 97504-4198
(541) 776-4303
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Page last modified: 2-Nov-2020 7:27 PM

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