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Hydrograph River at a Glance Download
Tanana River at Manley Hot Springs Stage (ft)Flow (kcfs)Observed: 8.22 ft at 7:00AM Jul 30, 2020Observed: 7.97 ft at 7:00AM Jul 31, 2020Observed: 7.77 ft at 7:00AM Aug 01, 2020Observed: 7.76 ft at 7:00AM Aug 02, 2020Observed: 8.17 ft at 7:00AM Aug 03, 2020Observed: 8.8 ft at 8:00AM Aug 04, 2020Highest Observation: 9.4 ft at 8:00AM Aug 05, 2020Highest Forecast: 9.13 ft 10:00AM Aug 06, 2020Forecast: 9.07 ft 4:00PM Aug 06, 2020Forecast: 9.01 ft 10:00PM Aug 06, 2020Forecast: 8.95 ft 4:00AM Aug 07, 2020Forecast: 8.88 ft 10:00AM Aug 07, 2020Forecast: 8.83 ft 4:00PM Aug 07, 2020Forecast: 8.78 ft 10:00PM Aug 07, 2020Forecast: 8.72 ft 4:00AM Aug 08, 2020Forecast: 8.67 ft 10:00AM Aug 08, 2020Forecast: 8.62 ft 4:00PM Aug 08, 2020Forecast: 8.57 ft 10:00PM Aug 08, 2020MHSA2(plotting HGIRZ) Graph Created (5:32AM Aug 6, 2020)ObservedForecast (issued 12:50PM Aug 5)Latest observed value: 9.4 ft at 8:00 AM AKDT 5-Aug-2020. Flood Stage is 13.5 ft
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Tabular Data (UTC)
Tabular Data (AKDT)
XML Data
RSS Files
Datum: Not Available
NOTE: Automated gauge readings are unavailable, readings taken manually.

NOTE: Gauge reading may be affected by ice during freezing weather from November to April.

NOTE: Forecasts for the Tanana River at Manley Hot Springs are issued routinely during the warm season, and as needed at other times of the year.

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Upstream Gauge - at Nenana Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 13.5
Action Stage: 12
Low Stage (in feet): -9999

Historic Crests
(1) 16.02 ft on 05/29/2012
(2) 12.40 ft on 05/23/2013
(3) 11.62 ft on 08/16/1997
(4) 11.48 ft on 07/31/2003
(5) 11.30 ft on 08/03/2001
(6) 11.22 ft on 08/05/2008
(7) 10.52 ft on 05/08/2011
(8) 10.47 ft on 08/17/2000
(9) 10.00 ft on 08/10/2007
(10) 9.81 ft on 07/11/2005
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(P): Preliminary values subject to further review.

Recent Crests
(1) 12.40 ft on 05/23/2013
(2) 16.02 ft on 05/29/2012
(3) 10.52 ft on 05/08/2011
(4) 8.98 ft on 07/26/2010
(5) 8.40 ft on 07/18/2009
(6) 11.22 ft on 08/05/2008
(7) 10.00 ft on 08/10/2007
(8) 9.05 ft on 07/17/2006
(9) 9.81 ft on 07/11/2005
(10) 8.78 ft on 07/02/2004
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(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:16
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Gauge LocationGauge Map Marker
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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Latitude: 65.001389° N, Longitude: 150.625000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 13.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(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 250 ft 263.5 ft  
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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
Fairbanks Weather Forecast Office
UAF-IARC Bldg. P.O. Box 757345
Fairbanks, AK 99775-7345
(907) 458-3700
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Page last modified: 1-Mar-2019 12:31 AM
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