Vocabulary
A rotating column of air that extends from the cloud to the ground.
What is a tornado?
This is issued when a tornado has been spotted on the ground.
What is a tornado warning?
The type of storm that starts near the equator but produces winds that are not as strong as a hurricane.
What is a tropical storm?
What is a thunderstorm?
A boundary between air masses.
What is a front?
This storm is needed to take place before a tornado forms.
What is a thunderstorm?
This is the speed of winds to be considered a hurricane.
What is 74 mph or 120 kph?
An electrical spark that goes from one side of a cloud to another or from the cloud to the ground.
What is lightning?
Forms when a cold air mass pushes a warm air mass and forces the warm air to rise.
What is a cold front?
An area in the central plains of the U.S. where tornadoes are frequent.
What is Tornado Alley?
Name two effects of hurricanes.
Huge waves (storm surge)
Strong winds that lift cars, uproot trees, tear off roofs from buildings.
Heavy rains that causes flooding and rivers to overflow.
What is the relationship between thunder and lightning?
Lightning causes thunder.
A massive wall of water that builds up at sea and blows in to land.
What is a storm surge?
This is what makes a tornado visible.
What is water droplets and debris?
This is the scale used to categorize hurricanes.
What is the Saffir-Simpson scale?
Blinding snowstorms with wind of at least 56 kpm (35 mph).
What are blizzards?
A large weather system that moves around and inward toward the least amount of pressure and then up to higher altitudes.
What is a low-pressure system?
The scale used to rate tornadoes.
What is the Fujita Scale? (FS scale)
These are the 3 things needed for a hurricane to form.
What are warm ocean water, winds, and humidity?
Cold air from the northwest gains __________________ as it passes over the Great Lakes and causes __________ ___________ _______________.
What is moisture; lake-effect snow?