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Dalton Highway Update 5/12/2016

Cooling trend expected Saturday


Published:

Open water flows in the Sagavanirktok River near Mile 387 of the Dalton Highway.

ADOT&PF photo

Warm temperatures on the north end of the Dalton Highway continue. Temperatures are in the 40s during the day, and remaining above freezing at night. More water and overflow continues to appear as ice and snow melts. This flow appears to be concentrated on the east channel of the Sagavanirktok River, away from the road.

 

National Oceanic and Atmospheric Administration predicts warm temperatures will continue through Friday, with a cooling trend starting Saturday. This may slow runoff and reduce water volumes before the next wave of warmer temperatures. If this occurs, it would mean a more typical breakup pattern for the Sagavanirktok River, compared to the high temperatures and rapid breakup experienced last spring.

 


UAF Photo

Strong flow can be seen in the east channel of the Sagavanirktok River.

 

Road conditions continue to be good. The gravel berms and the ice trenches are functioning as intended and keeping water from the road. Some water seepage is coming through berm sections, but is minor and not impacting traffic.

 

To view all updates or to subscribe, visit http://dot.alaska.gov/nreg/dalton-updates/.

 

 

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