Where do hurricanes form?

• in the ocean near warm areas
• in the ocean near cold areas
• in large lakes near cold areas
• in small lakes near warm areas

Westerly winds moving across the deserts of the United States toward the East Coast most likely bring which types of conditions to North Carolina?

• cool and dry
• hot and dry
• cloudy and humid
• clear and humid

During winter, which winds deliver cold air that enters North Carolina?

• polar westerlies
• prevailing westerlies
• northeast trade winds
• southeast trade winds

What determines the direction in which air masses flow across the United States?

• The Gulf of Mexico
• The Atlantic Ocean
• The heat from the sun
• The rotation of the Earth

Which is most responsible for guiding the movement of different air masses across the United States?

• the oceans
• trade winds
• the jet stream
• easterly winds

The El Nino will cause what kind of weather in the southern US?

• cold and dry
• cold and wet
• warm and wet
• warm and dry

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 causes wind?

• convection currents
• conduction currents
• radiation currents
• tropical currents

What impact does the Gulf Stream have on North Carolina’s coastal climate?

• The cold water from the Gulf Stream current cools the land.
• The warm water from the Gulf Stream current warms the land.
• The cold water from the Gulf Stream current decreases inland wind speeds.
• The warm water from the Gulf Stream current increases inland wind speeds.

Which are bigger, hurricanes or tornadoes?

• Tornadoes
• Hurricanes