(CNN) Powerful winds in Seattle have left tens of thousands of homes and businesses without power.

Gusts up to 70 mph were recorded in the area Thursday, according to the National Weather Service.

As the storm hit its peak Thursday afternoon, 300,000 people were in the dark, according to CNN affiliate KOMO

David Nyro wrote on Twitter: "Never seen it like this. High tide, wind-blown, storm surge. Alki point"

A state trooper posted a photo of a trampoline she says was trapped in power lines.

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