FORESTVILLE, Calif. — A major storm moving through Northern California on Thursday toppled trees and dropped heavy snow and record rain after damaging homes, killing two people and knocking out power to hundreds of thousands in the Pacific Northwest. Forecasters warned that the risk of flash flooding and rockslides would continue, and scores of flights were canceled at San Francisco's airport.
In Washington, more than 320,000 people — most of them in the Seattle area — were still without power as crews worked to clear streets of electrical lines, fallen branches and debris. Utility officials said the outages, which began Tuesday, could last into Saturday. Meanwhile on the East Coast, where rare wildfires have raged, New York and New Jersey welcomed much-needed rain that could ease the fire danger for the rest of the year.
The National Weather Service extended a flood watch into Saturday for areas north of San Francisco as the region was inundated by the strongest atmospheric river — a long plume of moisture that forms over an ocean and flows through the sky over land — this season. The system roared ashore Tuesday as a "bomb cyclone," unleashing fierce winds. Communities in Washington opened warming centers offering free internet and device charging.
A number of medical clinics closed because of power outages. "I've been here since the mid-'80s. I haven't seen anything like this," said Trish Bloor, who serves on the city of Issaquah's Human Resources Commission, as .