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Weather Forecast Office Fairbanks, AK

Alaska Pacific River Forecast Center

Hydrograph

River at a Glance

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About this graph Tabular Data (UTC) Tabular Data (AKDT) Datum: Not Available Metadata

NOTE: Stage measured manually and reported by river observer. No automated gauge on-site. NOTE: Forecasts for the Tanana River at Tanacross are issued routinely during the warm season, and as needed at other times of the year.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 18.5 Moderate Flood Stage: 17.5 Flood Stage: 16.8 Action Stage: 16 Low Stage (in feet): -9999 Historic Crests (P): Preliminary values subject to further review. Recent Crests (P): Preliminary values subject to further review. Low Water Records Currently none available.

Zoom Level:9 Legend FEMA Layer Gauge Location 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

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16.8	Minor flood stage - minor flooding begins at old village cemetery across river. Several inches of water begin to inundate road at the end of runway. Water likely over bank at other low locations, including the Moon Lake campground about 10 miles to the west. Portions of road along lake will be covered by several inches of water. Camp/picnic site adjacent to the lake will also be flooded and unusable. The main village is unaffected.
16	Action stage - bankfull near the end of Tanacross runway and across river from village.
Photos (1) Downstream (2) Upstream

About This Location

Latitude: 63.379444° N, Longitude: 143.343611° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 16.8 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 1530 ft 1546.8 ft

Additional Information

Long-term Hydrograph

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Alaska-Pacific River Forecast Center Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Search River Notes Nat'l Snow Information Alaska Snow Maps Flood Stage Definitions

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