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Hydrograph River at a Glance Download
South Yamhill River at McMinnville Stage (ft)Flow (cfs)Observed: 10.68 ft at 2:30AM Jun 30, 2015Observed: 10.69 ft at 7:00AM Jun 30, 2015Observed: 10.7 ft at 7:15AM Jun 30, 2015Observed: 10.7 ft at 7:30AM Jun 30, 2015Observed: 10.7 ft at 7:45AM Jun 30, 2015Observed: 10.7 ft at 8:00AM Jun 30, 2015Observed: 10.7 ft at 8:15AM Jun 30, 2015Observed: 10.7 ft at 8:30AM Jun 30, 2015Observed: 10.7 ft at 8:45AM Jun 30, 2015Observed: 10.7 ft at 9:00AM Jun 30, 2015Observed: 10.7 ft at 9:15AM Jun 30, 2015Observed: 10.7 ft at 9:30AM Jun 30, 2015Observed: 10.7 ft at 9:45AM Jun 30, 2015Observed: 10.7 ft at 10:00AM Jun 30, 2015Observed: 10.7 ft at 10:15AM Jun 30, 2015Observed: 10.7 ft at 10:30AM Jun 30, 2015Observed: 10.7 ft at 10:45AM Jun 30, 2015Observed: 10.7 ft at 11:00AM Jun 30, 2015Observed: 10.7 ft at 11:15AM Jun 30, 2015Observed: 10.7 ft at 11:30AM Jun 30, 2015Observed: 10.7 ft at 11:45AM Jun 30, 2015Observed: 10.7 ft at 1:00PM Jun 30, 2015Observed: 10.69 ft at 1:15PM Jun 30, 2015Observed: 10.69 ft at 1:30PM Jun 30, 2015Observed: 10.69 ft at 1:45PM Jun 30, 2015Observed: 10.69 ft at 2:00PM Jun 30, 2015Observed: 10.69 ft at 2:15PM Jun 30, 2015Observed: 10.69 ft at 2:30PM Jun 30, 2015Observed: 10.69 ft at 2:45PM Jun 30, 2015Observed: 10.69 ft at 3:00PM Jun 30, 2015Observed: 10.69 ft at 3:15PM Jun 30, 2015Observed: 10.69 ft at 8:45PM Jun 30, 2015Observed: 10.69 ft at 9:00PM Jun 30, 2015Observed: 10.69 ft at 9:15PM Jun 30, 2015Observed: 10.69 ft at 9:30PM Jun 30, 2015Observed: 10.69 ft at 9:45PM Jun 30, 2015Observed: 10.69 ft at 10:00PM Jun 30, 2015Observed: 10.69 ft at 10:15PM Jun 30, 2015Observed: 10.69 ft at 10:30PM Jun 30, 2015Observed: 10.69 ft at 10:45PM Jun 30, 2015Observed: 10.69 ft at 11:00PM Jun 30, 2015Observed: 10.69 ft at 11:15PM Jun 30, 2015Observed: 10.7 ft at 11:30PM Jun 30, 2015Observed: 10.7 ft at 11:45PM Jun 30, 2015Observed: 10.7 ft at 12:00AM Jul 01, 2015Observed: 10.7 ft at 12:15AM Jul 01, 2015Observed: 10.7 ft at 12:30AM Jul 01, 2015Observed: 10.7 ft at 12:45AM Jul 01, 2015Observed: 10.7 ft at 1:00AM Jul 01, 2015Observed: 10.7 ft at 1:15AM Jul 01, 2015Observed: 10.71 ft at 1:30AM Jul 01, 2015Observed: 10.71 ft at 1:45AM Jul 01, 2015Observed: 10.71 ft at 2:00AM Jul 01, 2015Highest Observation: 10.72 ft at 2:15AM Jul 01, 2015Highest Observation: 10.72 ft at 2:30AM Jul 01, 2015Highest Observation: 10.72 ft at 2:45AM Jul 01, 2015Highest Observation: 10.72 ft at 3:00AM Jul 01, 2015Highest Observation: 10.72 ft at 3:15AM Jul 01, 2015Highest Observation: 10.72 ft at 3:30AM Jul 01, 2015Highest Observation: 10.72 ft at 3:45AM Jul 01, 2015Observed: 10.71 ft at 5:00PM Jul 01, 2015Observed: 10.7 ft at 5:15PM Jul 01, 2015Observed: 10.7 ft at 5:30PM Jul 01, 2015Observed: 10.7 ft at 5:45PM Jul 01, 2015Observed: 10.7 ft at 6:00PM Jul 01, 2015Observed: 10.69 ft at 6:15PM Jul 01, 2015Observed: 10.69 ft at 6:30PM Jul 01, 2015Observed: 10.69 ft at 6:45PM Jul 01, 2015Observed: 10.69 ft at 7:00PM Jul 01, 2015Observed: 10.69 ft at 7:15PM Jul 01, 2015Observed: 10.69 ft at 7:30PM Jul 01, 2015Observed: 10.69 ft at 7:45PM Jul 01, 2015Observed: 10.69 ft at 8:00PM Jul 01, 2015Observed: 10.69 ft at 8:15PM Jul 01, 2015Observed: 10.69 ft at 8:30PM Jul 01, 2015Observed: 10.69 ft at 8:45PM Jul 01, 2015Observed: 10.69 ft at 9:00PM Jul 01, 2015Observed: 10.69 ft at 9:15PM Jul 01, 2015Observed: 10.69 ft at 9:30PM Jul 01, 2015Observed: 10.69 ft at 9:45PM Jul 01, 2015Observed: 10.69 ft at 10:00PM Jul 01, 2015Observed: 10.69 ft at 10:15PM Jul 01, 2015Observed: 10.69 ft at 10:30PM Jul 01, 2015Observed: 10.69 ft at 10:45PM Jul 01, 2015Observed: 10.69 ft at 11:00PM Jul 01, 2015Observed: 10.69 ft at 11:15PM Jul 01, 2015Observed: 10.69 ft at 11:30PM Jul 01, 2015Observed: 10.69 ft at 11:45PM Jul 01, 2015Observed: 10.7 ft at 12:00AM Jul 02, 2015Observed: 10.7 ft at 12:15AM Jul 02, 2015Observed: 10.7 ft at 12:30AM Jul 02, 2015Observed: 10.68 ft at 10:00AM Jul 02, 2015Observed: 10.68 ft at 10:15AM Jul 02, 2015Observed: 10.68 ft at 10:30AM Jul 02, 2015Observed: 10.68 ft at 10:45AM Jul 02, 2015Observed: 10.67 ft at 11:00AM Jul 02, 2015Observed: 10.67 ft at 11:15AM Jul 02, 2015Observed: 10.67 ft at 11:30AM Jul 02, 2015Observed: 10.67 ft at 11:45AM Jul 02, 2015Observed: 10.67 ft at 12:00PM Jul 02, 2015Observed: 10.67 ft at 12:15PM Jul 02, 2015Observed: 10.66 ft at 12:30PM Jul 02, 2015Observed: 10.66 ft at 12:45PM Jul 02, 2015Observed: 10.64 ft at 10:45PM Jul 02, 2015Observed: 10.64 ft at 11:00PM Jul 02, 2015Observed: 10.64 ft at 11:15PM Jul 02, 2015Observed: 10.64 ft at 11:30PM Jul 02, 2015Observed: 10.64 ft at 11:45PM Jul 02, 2015Observed: 10.64 ft at 12:00AM Jul 03, 2015Observed: 10.65 ft at 12:15AM Jul 03, 2015Observed: 10.65 ft at 12:30AM Jul 03, 2015Observed: 10.65 ft at 2:45AM Jul 03, 2015Observed: 10.65 ft at 3:00AM Jul 03, 2015Observed: 10.65 ft at 3:15AM Jul 03, 2015Observed: 10.65 ft at 3:30AM Jul 03, 2015Observed: 10.65 ft at 3:45AM Jul 03, 2015Observed: 10.65 ft at 4:00AM Jul 03, 2015Observed: 10.65 ft at 4:15AM Jul 03, 2015Observed: 10.65 ft at 4:30AM Jul 03, 2015Observed: 10.64 ft at 4:45AM Jul 03, 2015Observed: 10.64 ft at 5:00AM Jul 03, 2015Observed: 10.64 ft at 5:15AM Jul 03, 2015Observed: 10.64 ft at 5:30AM Jul 03, 2015Observed: 10.64 ft at 5:45AM Jul 03, 2015Observed: 10.64 ft at 6:00AM Jul 03, 2015Observed: 10.63 ft at 6:15AM Jul 03, 2015Observed: 10.63 ft at 6:30AM Jul 03, 2015Observed: 10.61 ft at 1:00PM Jul 03, 2015Observed: 10.61 ft at 1:15PM Jul 03, 2015Observed: 10.61 ft at 1:30PM Jul 03, 2015Observed: 10.61 ft at 1:45PM Jul 03, 2015Observed: 10.61 ft at 2:00PM Jul 03, 2015Observed: 10.61 ft at 2:15PM Jul 03, 2015Observed: 10.61 ft at 2:30PM Jul 03, 2015Observed: 10.61 ft at 2:45PM Jul 03, 2015Observed: 10.61 ft at 3:00PM Jul 03, 2015Observed: 10.61 ft at 3:15PM Jul 03, 2015Observed: 10.6 ft at 3:30PM Jul 03, 2015Observed: 10.6 ft at 3:45PM Jul 03, 2015Observed: 10.6 ft at 4:00PM Jul 03, 2015Observed: 10.6 ft at 4:15PM Jul 03, 2015Observed: 10.6 ft at 4:30PM Jul 03, 2015Observed: 10.59 ft at 4:45PM Jul 03, 2015Observed: 10.59 ft at 5:00PM Jul 03, 2015Observed: 10.59 ft at 5:15PM Jul 03, 2015Observed: 10.59 ft at 5:30PM Jul 03, 2015Observed: 10.59 ft at 5:45PM Jul 03, 2015Observed: 10.59 ft at 6:00PM Jul 03, 2015Observed: 10.59 ft at 6:15PM Jul 03, 2015Observed: 10.59 ft at 6:30PM Jul 03, 2015Observed: 10.59 ft at 6:45PM Jul 03, 2015Observed: 10.58 ft at 7:00PM Jul 03, 2015Observed: 10.58 ft at 8:00PM Jul 03, 2015Observed: 10.58 ft at 8:15PM Jul 03, 2015Observed: 10.58 ft at 8:30PM Jul 03, 2015Observed: 10.58 ft at 8:45PM Jul 03, 2015Observed: 10.58 ft at 9:00PM Jul 03, 2015Observed: 10.58 ft at 9:15PM Jul 03, 2015Observed: 10.59 ft at 9:30PM Jul 03, 2015Observed: 10.59 ft at 9:45PM Jul 03, 2015Observed: 10.59 ft at 10:00PM Jul 03, 2015Observed: 10.59 ft at 10:15PM Jul 03, 2015Observed: 10.59 ft at 10:30PM Jul 03, 2015Observed: 10.59 ft at 10:45PM Jul 03, 2015Observed: 10.59 ft at 11:00PM Jul 03, 2015Observed: 10.59 ft at 11:15PM Jul 03, 2015Observed: 10.59 ft at 11:30PM Jul 03, 2015Observed: 10.59 ft at 11:45PM Jul 03, 2015Observed: 10.59 ft at 12:00AM Jul 04, 2015Observed: 10.59 ft at 12:15AM Jul 04, 2015Observed: 10.59 ft at 12:30AM Jul 04, 2015Observed: 10.59 ft at 2:45AM Jul 04, 2015Observed: 10.56 ft at 7:45AM Jul 04, 2015Observed: 10.57 ft at 8:00AM Jul 04, 2015Observed: 10.57 ft at 8:15AM Jul 04, 2015Observed: 10.57 ft at 8:30AM Jul 04, 2015Observed: 10.58 ft at 12:00PM Jul 04, 2015Observed: 10.58 ft at 12:15PM Jul 04, 2015Observed: 10.58 ft at 12:30PM Jul 04, 2015Observed: 10.58 ft at 12:45PM Jul 04, 2015Observed: 10.58 ft at 1:00PM Jul 04, 2015Observed: 10.58 ft at 1:15PM Jul 04, 2015Observed: 10.58 ft at 1:30PM Jul 04, 2015Observed: 10.58 ft at 1:45PM Jul 04, 2015Observed: 10.58 ft at 2:00PM Jul 04, 2015Observed: 10.58 ft at 2:15PM Jul 04, 2015Observed: 10.58 ft at 2:30PM Jul 04, 2015Observed: 10.58 ft at 2:45PM Jul 04, 2015Observed: 10.57 ft at 3:00PM Jul 04, 2015Observed: 10.57 ft at 3:15PM Jul 04, 2015Observed: 10.57 ft at 3:30PM Jul 04, 2015Observed: 10.57 ft at 3:45PM Jul 04, 2015Observed: 10.57 ft at 4:00PM Jul 04, 2015Observed: 10.57 ft at 4:15PM Jul 04, 2015Observed: 10.57 ft at 4:30PM Jul 04, 2015Observed: 10.55 ft at 11:00PM Jul 04, 2015Observed: 10.55 ft at 11:15PM Jul 04, 2015Observed: 10.55 ft at 11:30PM Jul 04, 2015Observed: 10.55 ft at 11:45PM Jul 04, 2015Observed: 10.55 ft at 12:00AM Jul 05, 2015Observed: 10.54 ft at 12:15AM Jul 05, 2015Observed: 10.54 ft at 12:30AM Jul 05, 2015Highest Forecast: 10.51 ft 5:00AM Jul 05, 2015Forecast: 10.5 ft 11:00AM Jul 05, 2015Forecast: 10.48 ft 5:00PM Jul 05, 2015Forecast: 10.46 ft 11:00PM Jul 05, 2015Forecast: 10.44 ft 5:00AM Jul 06, 2015Forecast: 10.42 ft 11:00AM Jul 06, 2015Forecast: 10.39 ft 5:00PM Jul 06, 2015Forecast: 10.37 ft 11:00PM Jul 06, 2015Forecast: 10.34 ft 5:00AM Jul 07, 2015Forecast: 10.32 ft 11:00AM Jul 07, 2015Forecast: 10.3 ft 5:00PM Jul 07, 2015Forecast: 10.28 ft 11:00PM Jul 07, 2015Forecast: 10.26 ft 5:00AM Jul 08, 2015Forecast: 10.24 ft 11:00AM Jul 08, 2015Forecast: 10.21 ft 5:00PM Jul 08, 2015Forecast: 10.19 ft 11:00PM Jul 08, 2015Forecast: 10.16 ft 5:00AM Jul 09, 2015Forecast: 10.14 ft 11:00AM Jul 09, 2015Forecast: 10.11 ft 5:00PM Jul 09, 2015Forecast: 10.08 ft 11:00PM Jul 09, 2015USGS--Water Resources of the United StatesMCMO3(plotting HGIRR) Graph Created (2:18AM Jul 5, 2015)ObservedForecast (issued 6:49AM Jul 4)Latest observed value: 10.54 ft at 12:30 AM PDT 5-Jul-2015. Flood Stage is 50 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the South Yamhill River at McMinnville are issued routinely year-round.
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Upstream Gauge - near Willamina Upstream Gauge Downstream Gauge Downstream Gauge - at Newberg
Flood Categories (in feet)
Major Flood Stage: 59
Moderate Flood Stage: 56
Flood Stage: 50
Action Stage: 45
Low Stage (in feet): 0

Historic Crests
(1) 59.33 ft on 02/09/1996
(2) 55.90 ft on 12/05/2007
(3) 55.18 ft on 12/30/1996
(4) 55.01 ft on 12/29/1998
(5) 53.97 ft on 01/20/2012
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 53.97 ft on 01/20/2012
(2) 52.92 ft on 01/03/2009
(3) 55.90 ft on 12/05/2007
(4) 51.21 ft on 01/12/2006
(5) 42.79 ft on 02/02/2003
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
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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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
58 Above 58.0 ft, Expect flooding of some buildings and structures in the south portions of McMinnville, along with widespread farmland flooding and numerous flooded roads along the South Yamhill near McMinnville and downstream to the confluence with the Willamette River.
56 Above 56.0 ft, Expect flooding of some structures in the south part of McMinnville. Historically, Numerous roads are flooded and closed at this level.
54 Above 54.0 ft, Numerous secondary and minor access roads begin to flood. Road closures are possible at a few locations.
52 Above 52.0 ft, Expect extensive lowland flooding from 10 miles south of McMinnville to the confluence of the Yamhill and Willamette Rivers.
50 Above 50.0 ft, Expect lowland flooding at several locations along the river from McMinnville to the confluence with the Willamette River.
Photos
(1) USGS gage house
(2) Upstream view
(3) Downstream view
About This Location Collapse

Latitude: 45.205556° N, Longitude: 123.182500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 50 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 50 ft 100 ft  

Current/Historical Observations:

Additional Information Collapse
Archived/Historical Data at USACE DataQuery
10-day Forecast/Trend, Northwest River Forecast Center
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Hydrologic Resources Additional Resources
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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.
NWS Information
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Portland, OR 97230-1089
(503) 261-9246
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Page last modified: 12-Feb-2015 9:33 PM
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