Chapter 3: Weather Patterns

Test Review

Weather Review

What am I?

A huge body of air that has similar temperature, humidity, and air pressure throughout.

air mass

Chapter Review

What are the 2 characteristics that scientists use to classify air masses?

temperature and humidity

Weather Review

What type of air mass is being described?

Cool humid air masses form over the icy cold North Pacific and North Atlantic oceans.

maritime polar

Weather Review

What type of air mass is being described?

Hot dry air masses form in summer over dry areas of the Southwest and northern Mexico.

continental tropical

Weather Review

What type of air mass is being described?

Warm, humid air masses form over oceans near the tropics.

maritime tropical

Weather Review

When a warm air mass and a cold air mass meet and no movement occurs, what is the result?

stationary front

Weather Review

What type of front am I?

Cold air moves underneath warm air, forcing the warm air to rise.

cold front

Weather Review

What type of front am I? When a cold air mass and a cool air

mass come together, the warm air caught between them is forced upward.

occluded front

Weather Review

What type of front am I?

Warm air moves over cold air.

warm front

Weather Review

What type of weather is associated with an anticyclone?

dry and clear

Weather Review

What am I?

Heavy rainstorms accompanied by thunder and lightning.

thunderstorms

Weather Review

What am I? A rapidly whirling, funnel-shaped

cloud that reaches down from a storm cloud to touch Earth’s surface.

tornado

Weather Review

During a thunderstorm, what is the best way to stay safe inside?

avoid touching telephones, electrical appliances, or plumbing fixtures (all of which can conduct electricity into the house)

Weather Review

What type of clouds do thunderstorms and tornadoes form in?

cumulonimbus clouds

Weather Review

Where in the United States are tornadoes most likely to form and why?

Tornado Alley

Weather Review

Weather forecasting has improved recently because of…

Computer technology

Weather Review

What type of a scientist is Ben Bailey AND what does he study?

Ben is a meteorologist. He studies the causes of weather and he attempts to predict it.

Weather Review

How often does an El Nino event typically occur?

Every 2-7 years

Weather Review

What are lines on a weather map joining places that have the same air pressure?

isobars

Weather Review

Places shown on a weather map that have the same temperature are connected by …

isotherms

Weather Review

What type of front does this symbol represent AND in what direction is it moving?

warm front

moving NW

Weather Review

What type of front does this symbol represent?

stationary front

Weather Review

What type of front does this symbol represent AND in what direction is it moving?

cold front

moving SE

Weather Review

What type of front does this symbol represent?

Occluded front