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Hydrograph River at a Glance Download
Mendenhall River at Mendenhall Loop Bridge Stage (ft)Flow (kcfs)Observed: 6.49 ft at 12:00PM Oct 19, 2014Observed: 6.8 ft at 11:00AM Oct 20, 2014Highest Observation: 6.98 ft at 11:00AM Oct 21, 2014Observed: 6.51 ft at 11:00AM Oct 22, 2014Observed: 6.05 ft at 10:00AM Oct 23, 2014Observed: 5.6 ft at 11:00AM Oct 24, 2014Observed: 5.3 ft at 11:00AM Oct 25, 2014MNBA2(plotting HGIRZ) Graph Created (1:16AM Oct 26, 2014)ObservedForecast (issued 12:00PM Oct 25)Latest observed value: 5.3 ft at 11:00 AM AKDT 25-Oct-2014. Flood Stage is 11.5 ft
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NOTE: Forecasts for the Mendenhall River at Mendenhall Loop Bridge are issued routinely during the warm season, and as needed at other times of the year.
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Upstream Gauge - at Lake Level Upstream Gauge
Flood Categories (in feet)
Major Flood Stage:0
Moderate Flood Stage:12.5
Flood Stage:11.5
Action Stage:10.5

Historical Crests
(1) 13.75 ft on 09/11/1995
(2) 13.07 ft on 07/22/2011
(3) 12.80 ft on 08/18/2009
(4) 12.24 ft on 08/23/2011
(5) 12.03 ft on 09/02/2006
(6) 12.00 ft on 10/20/1998
(7) 11.05 ft on 08/17/2003
(8) 10.60 ft on 08/14/1997
(9) 10.47 ft on 08/22/2000
(10) 10.47 ft on 07/30/2004
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(P): Preliminary values subject to further review.

Low Water Records
Zoom Level:11
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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
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13 View Drive will be flooded and impassable.
12.5 Some homes along View Drive will have as much as 1.5 ft of water in garages and up to 3 ft in yards. This is moderate flooding.
11.5 The yards and property of houses along View Drive start to become inundated causing minor flooding.
Photos
(1) Moderate Flooding along Mendenhall River
(2) Moderate flooding along View drive
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Latitude: 58.404167° N, Longitude: 134.584444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 11.5 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 40.6 ft 53.1 ft  

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.
NWS Information
National Weather Service
Juneau Weather Forecast Office
8500 Mendenhall Loop Road
Juneau, AK 99801
(907) 790-6802
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Page last modified: 5-Aug-2014 6:35 PM
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