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Hydrograph River at a Glance Download
South Umpqua River near Riddle Stage (ft)Flow (cfs)Forecast: 3.35 ft 10:00AM Dec 05, 2020Forecast: 3.36 ft 4:00PM Dec 05, 2020Forecast: 3.35 ft 10:00PM Dec 05, 2020Forecast: 3.36 ft 4:00AM Dec 06, 2020Forecast: 3.52 ft 10:00AM Dec 06, 2020Forecast: 3.62 ft 4:00PM Dec 06, 2020Highest Forecast: 3.66 ft 10:00PM Dec 06, 2020Forecast: 3.63 ft 4:00AM Dec 07, 2020Forecast: 3.59 ft 10:00AM Dec 07, 2020Forecast: 3.55 ft 4:00PM Dec 07, 2020Forecast: 3.49 ft 10:00PM Dec 07, 2020Forecast: 3.43 ft 4:00AM Dec 08, 2020Forecast: 3.4 ft 10:00AM Dec 08, 2020Forecast: 3.39 ft 4:00PM Dec 08, 2020Forecast: 3.37 ft 10:00PM Dec 08, 2020Forecast: 3.34 ft 4:00AM Dec 09, 2020Douglas County Natural ResourcesSURO3(plotting HGIRZ) Graph Created (4:15AM Dec 5, 2020)Forecast (issued 3:44PM Dec 4)Flood Stage is 19 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge readings unavailable - awaiting repair.

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

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Upstream Gauge - near Tiller Upstream Gauge Downstream Gauge Downstream Gauge - near Winston
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
KML Image
Gauge LocationGauge Map Marker
 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.
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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 Collapse

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:
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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.
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