Understanding Weather – Ch. 3, Section 2

Question Answer
How would you describe an air mass with the symbol cT? warm and dry
Where does a continental polar air mass form? northern Canada
How does a warm front form? warm air moves over cold air and replaces it
What kind of weather would an occluded front likely bring? much precipitation
How do winds behave in a cyclone? they spiral toward the center
What is an anticyclone? it is an area of high pressure
What kind of weather would an anticyclone likely bring? dry and clear
Why do meteorologists track cyclones and anticyclones? to help predict stormy or clear weather
A maritime polar air mass that forms over the North Pacific Ocean brings what kind of weather to the Pacific Coast? wet
What causes changes in weather? air masses move and meet
What kind of weather does a cold front usually bring? stormy
What is a stationary front? a front formed by two weak air masses
What is a warm front? a front that would most likely produce hot, humid weather after a period of rain
What type of front would most likely cause a blizzard or large amounts of snow with strong winds? a cold front
What type of front is caused by three different air masses? an occluded front
What type of air mass brings dry air to the southwestern United States from Mexico? continental tropical air mass
What type of air mass brings dry, frigid winds to North Dakota in the winter? continental polar air mass
What type of air mass brings humid weather to Florida in the summer? maritime tropical air mass
What type of air mass brings wet weather to the Pacific Northwest? maritime polar air mass
What does the terms occluded and stationary describe? types of fronts
Why does a warm front often bring light rain or drizzle? the replacement of cold air by warm air is gradual
Why does a cold front bring intense weather changes such as thunderstorms? the cold air replaces the warm air more quickly
On a weather map, a large H appears over the area in which you live. What kind of weather can you expect? dry and clear
What is the area over which an air mass forms called? source region
What kind of weather is associated with a stationary front? it will be cloudy and rainy as long as the front lies over an area, but after the front passes, the weather will clear up
What is a front? area in which two types of air masses meet
What does mP stand for? maritime polar
What does cP stand for? continental polar
What does mT stand for? maritime tropical
What does cT stand for? continental tropical