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Weather Forecast Office Juneau, AK Alaska Pacific River Forecast Center

Hydrograph River at a Glance Download  
Alsek River above Bates River Observed crest: 40.07 ft at 10:00pm Nov 21 Observed: 24.96 ft at 2:00am Nov 17 Observed: 24.94 ft at 3:00am Nov 17 Observed: 24.93 ft at 4:00am Nov 17 Observed: 24.9 ft at 5:00am Nov 17 Observed: 24.9 ft at 6:00am Nov 17 Observed: 24.87 ft at 7:00am Nov 17 Observed: 24.86 ft at 8:00am Nov 17 Observed: 24.82 ft at 9:00am Nov 17 Observed: 24.8 ft at 10:00am Nov 17 Observed: 24.74 ft at 11:00am Nov 17 Observed: 24.72 ft at 12:00pm Nov 17 Observed: 24.76 ft at 1:00pm Nov 17 Observed: 24.71 ft at 2:00pm Nov 17 Observed: 24.7 ft at 3:00pm Nov 17 Observed: 24.7 ft at 4:00pm Nov 17 Observed: 24.69 ft at 5:00pm Nov 17 Observed: 24.66 ft at 6:00pm Nov 17 Observed: 24.62 ft at 7:00pm Nov 17 Observed: 24.61 ft at 8:00pm Nov 17 Observed: 24.61 ft at 9:00pm Nov 17 Observed: 24.62 ft at 10:00pm Nov 17 Observed: 24.64 ft at 11:00pm Nov 17 Observed: 24.69 ft at 12:00am Nov 18 Observed: 24.73 ft at 1:00am Nov 18 Observed: 24.79 ft at 2:00am Nov 18 Observed: 24.81 ft at 3:00am Nov 18 Observed: 24.79 ft at 4:00am Nov 18 Observed: 24.75 ft at 5:00am Nov 18 Observed: 24.74 ft at 6:00am Nov 18 Observed: 24.75 ft at 7:00am Nov 18 Observed: 24.78 ft at 8:00am Nov 18 Observed: 24.81 ft at 9:00am Nov 18 Observed: 24.88 ft at 10:00am Nov 18 Observed: 24.95 ft at 11:00am Nov 18 Observed: 25.01 ft at 12:00pm Nov 18 Observed: 25.04 ft at 1:00pm Nov 18 Observed: 25.08 ft at 2:00pm Nov 18 Observed: 25.1 ft at 3:00pm Nov 18 Observed: 25.12 ft at 4:00pm Nov 18 Observed: 25.16 ft at 5:00pm Nov 18 Observed: 25.19 ft at 6:00pm Nov 18 Observed: 25.23 ft at 7:00pm Nov 18 Observed: 25.25 ft at 8:00pm Nov 18 Observed: 25.27 ft at 9:00pm Nov 18 Observed: 25.27 ft at 10:00pm Nov 18 Observed: 25.29 ft at 11:00pm Nov 18 Observed: 25.3 ft at 12:00am Nov 19 Observed: 25.31 ft at 1:00am Nov 19 Observed: 25.32 ft at 2:00am Nov 19 Observed: 25.33 ft at 3:00am Nov 19 Observed: 25.32 ft at 4:00am Nov 19 Observed: 25.3 ft at 5:00am Nov 19 Observed: 25.31 ft at 6:00am Nov 19 Observed: 25.32 ft at 7:00am Nov 19 Observed: 25.38 ft at 8:00am Nov 19 Observed: 25.35 ft at 9:00am Nov 19 Observed: 25.34 ft at 10:00am Nov 19 Observed: 25.36 ft at 11:00am Nov 19 Observed: 25.34 ft at 12:00pm Nov 19 Observed: 25.37 ft at 1:00pm Nov 19 Observed: 25.38 ft at 2:00pm Nov 19 Observed: 25.38 ft at 3:00pm Nov 19 Observed: 25.4 ft at 4:00pm Nov 19 Observed: 25.4 ft at 5:00pm Nov 19 Observed: 25.41 ft at 6:00pm Nov 19 Observed: 25.39 ft at 7:00pm Nov 19 Observed: 25.39 ft at 8:00pm Nov 19 Observed: 25.41 ft at 9:00pm Nov 19 Observed: 25.41 ft at 10:00pm Nov 19 Observed: 25.4 ft at 11:00pm Nov 19 Observed: 25.41 ft at 12:00am Nov 20 Observed: 25.41 ft at 1:00am Nov 20 Observed: 25.44 ft at 2:00am Nov 20 Observed: 25.5 ft at 3:00am Nov 20 Observed: 25.52 ft at 4:00am Nov 20 Observed: 25.56 ft at 5:00am Nov 20 Observed: 25.59 ft at 6:00am Nov 20 Observed: 25.62 ft at 7:00am Nov 20 Observed: 25.65 ft at 8:00am Nov 20 Observed: 25.66 ft at 9:00am Nov 20 Observed: 25.68 ft at 10:00am Nov 20 Observed: 25.71 ft at 11:00am Nov 20 Observed: 25.76 ft at 12:00pm Nov 20 Observed: 25.8 ft at 1:00pm Nov 20 Observed: 25.89 ft at 2:00pm Nov 20 Observed: 25.92 ft at 3:00pm Nov 20 Observed: 25.99 ft at 4:00pm Nov 20 Observed: 26.04 ft at 5:00pm Nov 20 Observed: 26.08 ft at 6:00pm Nov 20 Observed: 26.18 ft at 7:00pm Nov 20 Observed: 26.21 ft at 8:00pm Nov 20 Observed: 26.23 ft at 9:00pm Nov 20 Observed: 26.26 ft at 10:00pm Nov 20 Observed: 26.3 ft at 11:00pm Nov 20 Observed: 26.32 ft at 12:00am Nov 21 Observed: 26.35 ft at 1:00am Nov 21 Observed: 26.36 ft at 2:00am Nov 21 Observed: 26.38 ft at 3:00am Nov 21 Observed: 26.4 ft at 4:00am Nov 21 Observed: 26.42 ft at 5:00am Nov 21 Observed: 26.43 ft at 6:00am Nov 21 Observed: 26.45 ft at 7:00am Nov 21 Observed: 26.37 ft at 8:00am Nov 21 Observed: 26.28 ft at 9:00am Nov 21 Observed: 26.27 ft at 10:00am Nov 21 Observed: 26.27 ft at 11:00am Nov 21 Observed: 26.27 ft at 12:00pm Nov 21 Observed: 26.3 ft at 1:00pm Nov 21 Observed: 26.28 ft at 2:00pm Nov 21 Observed: 26.28 ft at 3:00pm Nov 21 Observed: 26.28 ft at 4:00pm Nov 21 Observed: 26.29 ft at 5:00pm Nov 21 Observed: 26.31 ft at 6:00pm Nov 21 Observed: 26.33 ft at 7:00pm Nov 21 Observed: 26.34 ft at 8:00pm Nov 21 Observed: 26.36 ft at 9:00pm Nov 21 Observed: 40.07 ft at 10:00pm Nov 21 Observed: 31.07 ft at 11:00pm Nov 21 Observed: 26.75 ft at 12:00am Nov 22 Observed: 27.05 ft at 1:00am Nov 22 Observed: 27.35 ft at 2:00am Nov 22 Observed: 27.55 ft at 3:00am Nov 22 Observed: 27.31 ft at 4:00am Nov 22 Observed: 27.29 ft at 5:00am Nov 22 Observed: 27.24 ft at 6:00am Nov 22 Observed: 26.96 ft at 7:00am Nov 22 Observed: 27.02 ft at 8:00am Nov 22 Observed: 27.03 ft at 9:00am Nov 22 Observed: 27.18 ft at 10:00am Nov 22 Observed: 27.39 ft at 11:00am Nov 22 Observed: 27.35 ft at 12:00pm Nov 22 Observed: 27.39 ft at 1:00pm Nov 22 Observed: 27.45 ft at 2:00pm Nov 22 Observed: 27.33 ft at 3:00pm Nov 22 Observed: 27.3 ft at 4:00pm Nov 22 Observed: 27.26 ft at 5:00pm Nov 22 Observed: 27.2 ft at 6:00pm Nov 22 Observed: 27.25 ft at 7:00pm Nov 22 Observed: 27.07 ft at 8:00pm Nov 22 Observed: 26.77 ft at 9:00pm Nov 22 Observed: 27.01 ft at 10:00pm Nov 22 Observed: 27.07 ft at 11:00pm Nov 22 Observed: 27.05 ft at 12:00am Nov 23 Observed: 27.02 ft at 1:00am Nov 23 Observed: 26.84 ft at 2:00am Nov 23 Observed: 26.89 ft at 3:00am Nov 23 Observed: 26.89 ft at 4:00am Nov 23 Observed: 26.92 ft at 5:00am Nov 23 Observed: 26.98 ft at 6:00am Nov 23 Observed: 27.02 ft at 7:00am Nov 23 Observed: 27.03 ft at 8:00am Nov 23 Observed: 27.12 ft at 9:00am Nov 23 Observed: 27.01 ft at 10:00am Nov 23 Observed: 26.88 ft at 11:00am Nov 23 Observed: 26.9 ft at 12:00pm Nov 23 Observed: 26.89 ft at 1:00pm Nov 23 Observed: 26.89 ft at 2:00pm Nov 23 Observed: 26.88 ft at 3:00pm Nov 23 Observed: 26.88 ft at 4:00pm Nov 23 Observed: 26.9 ft at 5:00pm Nov 23 Observed: 26.85 ft at 6:00pm Nov 23 Observed: 26.86 ft at 7:00pm Nov 23 Observed: 26.79 ft at 8:00pm Nov 23 Observed: 26.81 ft at 9:00pm Nov 23 Observed: 26.92 ft at 10:00pm Nov 23 Graph Created (1:22am Nov 24, 2009) Observed Water Survey of Canada ALSQ9 (plotting HGIRG) Gage 0 Datum: n/a Latest observed value: 26.92 ft at 10:00 PM AST 23-Nov-2009. Flood Stage is 32.5 ft. Stage (ft) Flow (kcfs)
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NOTE: Forecasts are not available for the Alsek River above Bates River. Only observed stages are available for this point.

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Downstream Gauge Downstream Gauge - at Walker Glacier

Flood Categories (in feet)
Moderate Flood Stage:34
Flood Stage:32.5
Action Stage:31.5

Historical Crests
(1) 33.79 ft on 07/12/1989
(2) 33.08 ft on 07/18/1988
(3) 32.80 ft on 06/29/2004
(3) 32.80 ft on 08/14/1997
(5) 32.27 ft on 08/14/1990
(5) 32.27 ft on 07/13/1975
(7) 32.07 ft on 07/13/2000
(8) 31.88 ft on 08/09/1981
(9) 31.80 ft on 07/20/1986
(9) 31.80 ft on 08/21/1977
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Flood Impacts Collapse
34.0 Stage associated with flow (58100 cfs) having a recurrence interval of 25-50 years; moderate flooding would be expected on this and nearby streams
32.5 Stage associated with flow (44700 cfs) having a recurrence interval of ~5-10 years; minor flooding would be expected on this and nearby streams
31.5 Bankfull -- stage associated with flow (36300 cfs) having a recurrence interval of ~2 years

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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.

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National Weather Service
Juneau Weather Forecast Office
8500 Mendenhall Loop Road
Juneau, AK 99801
(907) 790-6802
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