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Hydrograph River at a Glance Download
Little Susitna R at Hatcher Pass Rd Bridge Stage (ft)Observed: 5.98 ft at 6:43AM Aug 13, 2014Observed: 5.95 ft at 5:42AM Aug 14, 2014Observed: 5.98 ft at 6:50AM Aug 15, 2014Observed: 5.99 ft at 7:17AM Aug 16, 2014Observed: 6.04 ft at 7:17AM Aug 18, 2014Highest Observation: 6.09 ft at 7:27AM Aug 19, 2014Observed: 6.04 ft at 7:22AM Aug 20, 2014Observed: 6.02 ft at 5:44AM Aug 21, 2014Highest Forecast: 5.78 ft 10:00PM Aug 21, 2014Forecast: 5.72 ft 4:00AM Aug 22, 2014Forecast: 5.67 ft 10:00AM Aug 22, 2014Forecast: 5.66 ft 4:00PM Aug 22, 2014Forecast: 5.71 ft 10:00PM Aug 22, 2014Forecast: 5.76 ft 4:00AM Aug 23, 2014Forecast: 5.73 ft 10:00AM Aug 23, 2014Forecast: 5.68 ft 4:00PM Aug 23, 2014Forecast: 5.61 ft 10:00PM Aug 23, 2014LSOA2(plotting HGIRZ) Graph Created (5:46PM Aug 21, 2014)ObservedForecast (issued 3:59PM Aug 21)Latest observed value: 6.02 ft at 5:44 AM AKDT 21-Aug-2014. Flood Stage is 10 ft
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Tabular Data (UTC)
Tabular Data (AKDT)
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Datum: Not Available
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NOTE: Gauge readings not available during the winter months.

NOTE: Forecasts for the Little Susitna R at Hatcher Pass Rd Bridge are issued routinely during the warm season, and as needed at other times of the year.

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Downstream Gauge Downstream Gauge - below Hatcher Pass Bridge
Flood Categories (in feet)
Major Flood Stage:0
Moderate Flood Stage:10.9
Flood Stage:10
Action Stage:9

Historical Crests
(1) 12.45 ft on 09/21/2012
(2) 10.97 ft on 08/19/2006
(3) 9.67 ft on 11/10/2005
(4) 8.75 ft on 08/06/2007
(5) 8.48 ft on 06/10/2013
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(P): Preliminary values subject to further review.

Low Water Records
Zoom Level:10
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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.
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If you notice any errors in the below information, please contact our Webmaster
8 Class VI- whitewater
7.5 High water level -- Class V- whitewater above Hatcher bridge
7 Medium water level -- Class V- whitewater above Hatcher bridge
6.3 Low water level -- Class V- whitewater above Hatcher bridge
Photos
(1) Downstream
(2) Upstream
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Latitude: 61.709722° N, Longitude: 149.231944° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10 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 NULL NULL  
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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
Anchorage Weather Forecast Office
6930 Sand Lake Road
Anchorage, AK 99502
(907) 266-5102
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Page last modified: 5-Aug-2014 6:35 PM
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