Peels surface and shingles off roofs. Mobile
homes pushed off foundations or even overturned. Outbuildings demolished. Moving automobiles
pushed off roads. Trees snapped or broken.
Roofs torn off frame houses. Mobile homes demolished.
Houses with weak foundations lifted and moved. Large trees snapped or uprooted.
Light objects become missiles.
Roofs and some walls torn off well-constructed
homes. Railroad trains overturned. Heavy cars and trucks lifted and thrown
some distance. Most trees in forests are uprooted. Weak pavement blown off roads.
Well-constructed homes leveled. Structures with weak foundations
blown some distance. Cars thrown and disintegrated. Trees in forests uprooted and carried some
distance.
Strong frame houses lifted off foundations
and carried considerable distance and disintegrated. Cars and trucks wrapped
around large trees. Automobile-sized objects become missiles and fly in excess of 300 feet.
Trees debarked. Incredible damage and phenomena occur.
NOAA's National Weather Service
5241 NE 122nd Avenue
Portland, OR 97230
Phone: 503.326.2340
Weather Line: 503.261-9246, -9247
www.weather.gov 
This website
provided as a service by:
