Heavy rain continued to fall over parts of the state, prompting rising rivers, road closures, water rescues, and suspension of Amtrak trains between Seattle and Vancouver.

The rain has finally relented in southern B.C. on Thursday, but floodwaters have left thousands of people in the province's Fraser Valley on edge.

It originates from flood recurrence intervals set in the 1960s when the floodplain maps used today by insurance companies and the Federal Emergency Management Agency were made, said Western Washington University geology professor Allison Pfeiffer.

The atmospheric river over the Pacific Northwest brought a deluge to British Columbia, forcing road closures and evacuations in Canada.

Warming oceans made Asia’s deadly floods far worse, scientists say (cloned) - Sea surface temperatures over the North Indian Ocean were 0.2C higher than the average over the past three decades, resear

About 75,000 people were told to prepare to evacuate.

The floods and landslides that have killed more than 1,350 people in recent weeks are a grim reminder of the risks of a warming planet.

Rivers across the Pacific Northwest were on the rise again Wednesday as heavy rain pummeled a region that was already seeing major flooding earlier this week.

The Chelan County sheriff’s office is warning residents of flash floods and the heightened risk of mudslides, especially in burn scar areas from recent wildfires and steep hillsides and canyons.