Weather Stuff

What is upwelling?

• When warm water rises to the surface of the ocean
• When cold water rises to the surface of the ocean, bringing nutrients
• When warm water from the south brings nutrients to the northern ocean

The El Nino is caused by

• cold water off the Atlantic coast of South America
• warm water in the Pacific off the coast of South America
• warm water in the Pacific off the coast of Mexico
• cold water in the Pacific off the coast of Mexico

What causes La Nina?

• cooling of water in the Atlantic Ocean off the coast of South America
• cooling water off the Atlantic coast of the US
• cooling water in the Pacific Ocean off the coast of South America
• warm water in the Pacific Ocean off the coast of South America

What time of year does El Nino and La Nina occur?

• during the summer when the ocean water is warming up
• in the summer for El Nino and winter for La Nina
• during the winter around December and January
• During the fall when global temperatures are changing

What type of storm front is this? 

• warm front
• cold front
• stationary front
• occluded front

What does symbol # 3 mean?

• stationary front
• occluded front
• warm front
• cold front

^{_{What type of air mass is the highlighted arrow?}}

• cold/dry
• cold/wet
• warm/dry
• warm/wet

The symbol on a weather map for a cold front is what?

• a line with triangles on it
• a line with semi-circles on it
• a line with squares on it
• a line with circles on it

A front is

• where warm air is cooling at earth's surface
• a line where hot and cold air are separating
• a line where two different air masses meet
• where cold air is rising and forming rain clouds

_____________ air is more dense and tends to sink

• cold
• warm
• moist
• dry