A disaster caused by natural forces

An extremely

destructive funnel-shaped rotating column of air that passes in a narrow path over land.

• A violent tropical storm of the Western North Atlantic.

• A strong bitterly cold wind accompanied by a widespread heavy snowfall.

• A shaking of the ground caused by moving underground plates.

• A large mass of snow and ice detached from a mountain slope and sliding or falling suddenly downward.

• An unusually large sea wave produced by a sea quake or under sea volcanic eruption.

• A vent in the earth’s crust through which lava, steam, and ashes are expelled.

• Water in swift, circular motion often causing a downward spiraling action.

• An uncontrolled fire in a wooded area.