It was an extremely wet November in parts of the Pacific Northwest, causing major flooding on both sides of the U.S.-Canada border.
The latest storm system to hit the region triggered new evacuation orders and at least one mudslide in flood-ravaged British Columbia, Canada, late Sunday.
On the same day, flood sirens sounded in Washington as the Nooksack River overflowed. Henry Braun, mayor of Abbotsford, British Columbia, told reporters the water flow was headed toward the Canadian border city...
https://www.freightwaves.com/news/whats-causing-repeated-floods-in-pacific-northwest