Debris Flow in Bonner County, Idaho
Debris Flow December 12, 2019 · Bonner County, Idaho
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Idaho Department of Transportation reported a rock slide across Highway 200 near Trestle Creek.
The wider storm
During the evening of December 10th through the morning of December 12th a warm front and a following cold front passage delivered heavy snow accumulations to the mountains of north Idaho and the valleys of far north Idaho. Mountain accumulations ranged from 10 to 20 inches during this period while the northern most valleys near the Canadian border also received 4 to 10 inches of new snow accumulation. Amounts of 1 to 3 inches were noted in the Coeur D'Alene area and the valleys of the Central Panhandle Mountains. Melting snow in the wake of this storm triggered a small rock slide across highway 200 in north Idaho which was quickly cleared.
Began near Trestle Creek (48.2819, -116.3503).
Source: NOAA Storm Events Database, event 868221. Narratives are written by the National Weather Service forecast office that issued the report.
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