Debris Flow in Pend Oreille County, Washington

Debris Flow March 9, 2014 · Pend Oreille County, Washington

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

The southbound lane of State Route 31 at milepost 11 was blocked by a combination of mud and large rocks. Time of the debris flow was estimated.

The wider storm

An upper level low pressure system in the Gulf of Alaska late on March 8th into March 9th directed a slow north to south sagging atmospheric river across the area. The origins of this atmospheric river were from off of the Islands of Hawaii. This resulted in abnormally high moisture content for early to mid-March. This was a very mild weather pattern with precipitation falling as rain even over the highest mountain peaks. Moderate to heavy rain was reported in the Northeast Mountains, especially for areas closer to the Idaho border.

Began near Metaline (48.8324, -117.4027).

Source: NOAA Storm Events Database, event 505266. Narratives are written by the National Weather Service forecast office that issued the report.

Tornadoes near your address

See every tornado that passed near a place you know, measured to its path.