the 2nd lowest level of a tornado, moderate damage,
F1
number of deaths
name one state in tornado ally
iowa
in what month do the most tornadoes occur?
may
strong, can tear off parts of roofs and walls of most houses
F3
What is a double tornado
1 tornado splits into 2
what is the 2nd month
april
tears roofs apart, can derail trains winds about 120 MPH
F2
What is the name of the scale for tornados?
Fujita scale
what is the third most month
june
the strongest type of tornado, can demolish towns
F5
what is the largest number of death due to a tornado?
about 750
what season do they occur the most?
spring
one of the strongest, will reduce a house to rubble
F4
How much did the worst tornado cost the city?
2.8 billion dollars
why do they occur most in spring
the heat moving into the cold air fronts