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Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.

Weather Forecast Office Anchorage, AK

Alaska Pacific River Forecast Center

Hydrograph

River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental) Not Available

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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 Yentna River at Lake Creek 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: 24 Moderate Flood Stage: 22 Flood Stage: 20.5 Action Stage: 19 Low Stage (in feet): -9999 Historic Crests (1) 22.38 ft on 08/09/2016 (P) (2) 22.27 ft on 09/24/2012 (3) 21.62 ft on 10/16/2013 (P) (4) 20.90 ft on 08/17/2003 (5) 20.70 ft on 09/04/2013 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 19.12 ft on 09/15/2017 (P) (2) 22.38 ft on 08/09/2016 (P) (3) 20.62 ft on 09/24/2015 (P) (4) 21.62 ft on 10/16/2013 (P) (5) 20.70 ft on 09/04/2013 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records Currently none available.

Zoom Level:8 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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24	Major flooding all along the river except for Bentalit and Northwood Lodges (which are actually on Fish Creek). There should be considerable damage to fixed and moveable property.
22	McDougal's, King Point, Anglers Inn, Wilderness Place, Lake Creek Lodge, 3-Rivers, and Cottonwood Resorts will have water in a number of cabins with water also encroaching the main lodge buildings.
20.5	Anglers Inn & King Point Lodges will have water in several cabins. (This roughly corresponds to a stage of 42.1 at SKWA2 - Skwentna.)
Photos (1) Flooding near gage 20.2ft (2) Flooding near gage 20.2ft (3) Flooding at gage 20.2ft (4) Gage (5) Overview

About This Location

Latitude: 61.922347° N, Longitude: 150.982355° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 20.5 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 0 ft 20.5 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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