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Which stage of thunderstorm development is dominated by downdrafts?
Dissipating
Microbursts are the result of what?
Strong horizontal pressure gradient.
What is the basic cause of lightning?
A large charge separation.
For a thunderstorm to be classified as severe, the winds must be what or have hail that is what?
60 kts; >5 in
Most tornadoes move in which direction?
True (Northeast)
The Enhanced Fujita Scale is applied to which phenomenon?
Tornadoes
EF-5 hurricanes are the most common but do they do the least amount of damage?
False
What does the term mesocyclone refer to in reference to a tornado?
The area of rotation in a thunderstorm.
Most lightning is cloud-ground. True or False?
True
What was so unusual about the 2011 tornado season?
The spring had a record number of tornadoes and fatalities.