The National Weather Service says preliminary investigation shows an extremely rare tornado that touched down west of Seattle Tuesday was rated an EF2.
That means it is considered to have been a significant tornado. Estimated peak winds during the tornado were up to 130 mph (209 kph).
The Weather Service surveyed the damage and found homes without roofs, trees torn out of the ground and windows blown out of cars. It says significant tree and structure damage was noted along the twister's path.
No injuries have been reported.
About 50 buildings were affected.
Port Orchard is about 15 miles (24 kilometers) west of Seattle, across Puget Sound on the Kitsap Peninsula.
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