Washington, Pacific Northwest and flood
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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.
Record rainfall prompted evacuation orders for about 100,000 people as the Skagit River north of Seattle is forecast to crest almost two feet (0.6 meter) above its historic record Thursday evening.
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.
Several small Whatcom County cities near the Canadian border were evacuated Thursday as the Nooksack River, fueled by persistent rain, flooded.
Ocean temperatures warmed by human-caused climate change fed the intense rainfall that triggered deadly floods and landslides across Asia in recent weeks, according to an analysis released Wednesday.
Newly released recordings of 911 calls show Texas residents and staffers at Camp Mystic caught up in the catastrophic flooding in July pleaded for help as rushing waters rise around them, stranding them in attics and on roofs.
CARNATION, Wash. — The Snoqualmie River crested above 60 feet Thursday, transforming the valley into a sprawling lake and effectively cutting off the cities of Carnation and Duvall from surrounding communities.
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.