the 2007 greensburg ef5 happend on ???

• may 1 2007

• may 4 2007

• may 17 2007

• june 4 1987

the 2016 sulphur tornado has ef5 strengh but it was rated as a ???

• ef4

• ef0

• ef3

• ef2

the storngest tornado is ????

• 1999 bridge creek-moore f5

• 2011 smithvile ef5

• 2013 el reno ef3

• 2011 el reno-piedmont ef5

what year had the most ef5\f5 tornadoes ????

• 2011

• 1953

• 1974

• 1987

which state in the us has experienced the most ef5 tornadoes ????

• texas

• oklahoma

• kansas

• alabama

the 2013 moore tornado was rated as a ???

• ef3

• ef4

• ef5

• ef2

which month is known for having the highest frequency of tornadoes in the us ????

• march

• may

• july

• september

which year did the tri-state tornado occur ????

• 1925

• 1935

• 1945

• 1955

which state is part of the tornado alley ????

• california

• florida

• nebraska

• new york

what is the primary scale used to rate tornadoes ????

• richter scale

• enhanced fujita scale

• beaufort scale

• moment magnitude scale