Air Masses & Fronts - Reagan

Air mass is a huge body of air that has similar ___, ___ and ___ (3 things)

• temperature, wind, and air pressure

• temperature, humidity, and air pressure

• rain fall, humidity, and air pressure

• temperature, humidity, and jet streams

Air masses are classified based on their ___ and ___.

• temperature & humidity

• wind speed & humidity

• temperature & pressure

• precipitation & humidity

Characteristics of an air mass depend on ___ and ___.

• wind bells & moisture content

• temperature & humidity

• pressure & humidity

• temperature & moisture content

What two things move air masses in the Continental US?

• precipitation & jet streams

• wind bells & jet streams

• prevailing westerlies & jet streams

• prevailing westerlies & wind bells

Name the major WIND BELT that goes over the continental US.

• humidity

• Prevailing westerlies

• jet streams

• temperature

Prevailing westerlies over the continental US push air masses from ___ to ___.

• east to west

• west to east

• west to north

• north to south

These are bands of high speed winds that are embedded in the westerlies.

• continental polars

• tropics

• jet streams

• humidity

How high above the surface are jet streams?

• 6-14 km

• 14-16 km

• 4-6 km

• 24-26 km

How many major air masses are there?

• 6

• 3

• 5

• 4

Tropical air masses form in the ______ and have ______ air pressure.

• tropics - high

• tropics - low

• continental - high

• continental - low