An air mass takes on the temperature and humidity of this.
What is a source region?
A moving front is named by this.
What is the type of air mass replacing the existing one over a region?
This is the largest type of storm, forming over tropical waters.
What is a hurricane?
The area where most tornadoes occur.
What is Tornado Alley?
Severe disturbances in the atmosphere.
What are storms?
This type of air mass is humid and warm.
What is maritime tropical?
This type of front produces a sudden drop in temperatures and large cumulonimbus clouds.
What is a cold front?
This is the most common type of storm.
What is a thunderstorm?
The relatively calm, clear center of a hurricane.
What is the eye?
In general, the difference between storm watches and warnings.
What is watches are when conditions are favorable and warnings are issued when storm conditions have been spotted or picked up on radar?
This type of air mass forms over Canada and the northern U.S.
This type of front brings days of cloudy, wet weather due to neither air mass being able to move the other.
What is a stationary front?
This type of storm brings freezing or frozen precipitation.
What is a winter storm?
The strongest rating for a tornado on the Enhanced Fujita-Pearson scale.
What is an EF5?
When two types of air masses meet and don't mix they form this.
What is a front?
This type of air mass is warm and dry.
What is continental tropical?
This type of air mass brings wide systems of stratus clouds and light to heavy precipitation.
What is a warm front?
This type of storm is a narrow, rapidly spinning column of air extending downward from a cumulonimbus cloud.
What is a tornado?
Hurricanes are named when they become these.
What are tropical storms?
The rating scale used for hurricanes.
What is the Saffir-Simpson scale?
This type of air mass forms in the northern Atlantic and Pacific Oceans.
What is maritime polar?
This type of front occurs when a rapidly moving cold air mass catches up to a warm front and cuts the warm air off from the ground.
What is an occluded front?
This storm hazard forms from the friction between rain and air particles as they collide and move charges.
What is lightning?
The two most destructive features of a tornado.
The minimum wind speed (in km/h) for a storm to be classified as a hurricane.
What is 119 km/h?