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Hydrograph River at a Glance Download
Molalla River at Shady Dell near Molalla 2ESE Stage (ft)MOLO3(plotting HGIRZ) Graph Created (9:48PM Jul 29, 2014)Flood Stage is 10.5 ft
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Tabular Data (PDT)
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NOTE: Graphical forecasts are not available for the Molalla River at Shady Dell near Molalla 2ESE. During times of high water, forecast crest information can be found in the text products.
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Downstream Gauge Downstream Gauge - near Canby
Flood Categories (in feet)
Major Flood Stage:12
Moderate Flood Stage:0
Flood Stage:10.5
Action Stage:0

Currently none available.

Low Water Records
Currently none available.
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
12 ABOVE 12.0 FEET, EXPECT MAJOR FLOODING OF SEVERAL HOMES AND STRUCTURES IN THE SHADY DELL NEIGHBORHOOD, ALONG WITH FLOODING OF FEYRER PARK AND POSSIBLY THE WESTERN APPROACH TO THE SHADY DELL BRIDGE OVER THE MOLALLA RIVER.
10.5 ABOVE 10.5 FEET, EXPECT MINOR FLOODING IN THE SHADY DELL NEIGHBORHOOD, WITH FLOOD WATERS THREATENING THE LOWEST ELEVATION HOMES IN THE AREA.
9 ABOVE 9.0 FEET, EXPECT SOME INUNDATION OF LOW-LYING PROPERTY IN THE SHADY DELL NEIGHBORHOOD EAST OF MOLALLA.
About This Location Collapse

Latitude: 45.138611° N, Longitude: 122.533611° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10.5 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 Not Available Not Available  
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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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Page last modified: 16-Jul-2014 2:05 AM
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