Upper Tanana Valley storm history

Local social media reports indicated 1 inch diameter hail falling near Dot Lake and George Lake. Additional social media reports showed numerous hailstones collected along the Alaska Highway, but likely just under 1 inch in diameter.

Strong southerly downslope winds off of the Alaska Range developed in upper Tanana Valley. A trained spotter at Robertson River reported estimated wind gusts of 50 mph on the evening of the 20th. The trained spotter also reported a few trees were knocked over by the strong winds …

Freezing rain was reported at several locations in the Upper Tanana Valley the evening of the 5th. 0.125 inches of ice accumulated on flat surfaces at Robertson River as reported by the NWS COOP Observer. The automated weather station at Northway reported a mixture of rain, freez…