Weather -A
Weather that can cause produces damage and sometimes death.
What is a continental air mass?
Forms over land; dry
What is the most powerful storm on earth.
Hurricane
This type of front forms where cold air moves under warm air and brings thunderstorms, heavy rain or snow. What is it?
Cold Front
This is the sound that results from the rapid expansion of air along the lighting strike. What is it.
Thunder
The movement and interaction of air masses.
This is a small intense weather system that produces strong winds, heavy rain, lightening and thunder.
Thunder storms
What type of front has warm air mass that is caught between two colder air masses. Cool temperatures and large amounts of rain and snow occur?
Occluded front
What can produce high winds, hail, flash floods and tornadoes?
Severe Thunderstorms
Maritime
Name the 4 types of fronts
Cold, Warm, Occluded and stationary.
What is a warm front?
Warm air moves over cold air. Brings drizzly rain followed by clear warm weather.
What two atmospheric conditions are required to produce a thunderstorm?
Warm and moist air near earth's surface and an unstable atmosphere
Stationary front.
When the weather is clear and warm but has drizzly rain this is caused by what type of front?
What type of air mass forms over polar regions; cold
Polar
What is a small spinning column of air that has high wind speeds and low central pressure that touches the ground?
What is Anticyclone?
Rotation of air around a high pressure center in the opposite direction as the Earth's rotation or away from the center. It brings dry clear weather.
What is the definition for Lighting?
An electric discharge that occurs between a positively charged area and a negatively charged area.
What is a cyclone?
Define WHAT a hurricane is.
A Hurricane are large rotating, tropical weather system that has WIND speeds of at least 75 mph
What is the difference between cyclone and anitcyclone?
Winds spiral toward the center with cyclone and away from center with anti cyclone.
What is the definition of an Air mass?
A large body of air where temperature and moisture content air similar throughout.
Tropical
Where can Lightning happen?
It can happen between two clouds, between Earth and a cloud or between two parts of the same cloud.