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This probabilistic forecast is issued by the Alaska Pacific River Forecast Center.
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About this graph
Forecasts for the Trail River near Lawing are issued routinely during the warm season, and as needed at other times of the year.
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Downstream Gauge Downstream Gauge - at Cooper Landing
Zoom Level:11
Flood Categories (in feet)
Major Flood Stage: 13
Moderate Flood Stage: 11.5
Flood Stage: 10
Action Stage: 8.5
Low Stage (in feet): -9999

Historic Crests
(1) 12.50 ft on 09/21/1995
(2) 11.93 ft on 09/18/1967
(3) 11.50 ft on 01/06/1999
(4) 11.09 ft on 10/24/2002
(5) 10.73 ft on 09/22/1976
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(P): Preliminary values subject to further review.

Recent Crests
(1) 7.20 ft on 06/26/2021 (P)
(2) 9.70 ft on 10/03/2020
(3) 7.20 ft on 06/26/2020 (P)
(4) 8.40 ft on 06/19/2018
(5) 7.70 ft on 09/01/2017 (P)
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(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
12.5 This is the estimated level during the September 1995 flood event. Water was inundating parking lots and several roads around Moose Pass.
11.5 High water from the lake starts to encroach some structures at Moose Pass.
10 Water may begin to inundate nearby railroad tracks.
9.5 Water against the stringers on the Trail River Railroad Bridge. (Stringers are the structures on which the railroad ties sit.) -Oct 2020
(1) Trail River staff gauge on old bridge pier.
(2) Downstream stage 6.7ft
(3) Upstream stage 6.7ft

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
Long-term Hydrograph
Collaborative Agencies Collapse
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) 266-5105
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Page last modified: 2-Nov-2020 7:26 PM
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