Upr Tanana Vly Fortymile storm history

Ice jam flooding started late at night on May 12th and when the Riverwatch team landed in Eagle on May 13th (early afternoon) flood waters had receded leaving stranded ice well above the bank. The USGS river gage had a preliminary crest of 42 feet at 5 AM ADT on May 13th. Moderat…

An ice jam formed on the Mosquito Fork of the Fortymile River approximately 1.5 miles downstream from the Taylor Highway bridge. A NWS automated river gage on the bridge recorded a rise in water levels of 10 feet in 48 hours. Ice rose to the base of the bridge and lower part of t…

Northway reported 8 inches of snow in about a 24 hour timeframe.

Snow began late in the evening on the 29th. By 8AM on the 30th, the cooperative observer at Robertson River picked up 13 inches of snow.

Snow began the morning of the 12th and continued into the afternoon of the 13th. A cooperative weather observer in Tok reported a storm total of 11 inches of snow during the event.

Snow began in Northway just before 11 PM on the 8th, and by 11 PM on the 9th 8 inches of snow had fallen. In Tok, 9.7 inches of snow was measured by the COOP observer.

Heavy snow ranging from 6 inches to nearly 9 inches fell across the upper Tanana Valley north to the upper Yukon River Valley. The COOP observer in Tok reported a storm total snowfall of 8.8 inches, while the COOP observer in Eagle observed 7.5 inches during the event. For Eagle,…

Heavy snowfall fell over the upper Tanana Valley and the Fortymile Country on October 26, 2020. The COOP observer in Eagle reported 9 inches of new snow between midnight and 1pm, with a total storm accumulation of 10.5 inches of snow in about 24 hours. Other snow amounts included…

Snowfall totals from 8 to 14 inches were observed across the area with the heaviest snow near in Tok. A COOP observer in Tok reported a storm total snowfall of 14 inches and a Storm Spotter at the Robertson River reported 10 inches. The heavy snow impacted the Alaska Highways wit…

The heaviest snow fell at higher elevations across the Fortymile Country. The SNOTEL site at Jack Wade Junction on the Taylor Hwy at an elevation of 3585 feet reported a 24 hour snowfall of 8.4 inches. The COOP observer in Chicken reported 6.5 inches. Less snow was observed at lo…

This event is for the Upper Chena River.

This event is for the Upper Chena River.

This event is for the Salcha River flooding.

This event is for the Goodpaster River Flooding.

This event is for the the Upper Chena River flooding.