spheres
what sphere would an aircraft fly in to avoid weather?
stratosphere
What type of air mass forms over the ocean and is very humid?
Maritime
Does water leave the atmosphere?
Yes
what are major wind belts over the continental U.S.?
prevailing westerlies
these form in the tropics and have low air pressure
What sphere is mostly ozone?
Stratosphere
What type of air mass forms in high latitudes and has high pressure?
Polar or cold
What is the result of uneven heating throughout the atmosphere?
Global Winds
Energy from the sun warms Earth's atmosphere as it reaches its surface through this process.
Radiation
these form in high latitudes and have high pressure
polar/cold
what sphere is the hottest of all layers?
thermosphere
when a warm air mass is caught between two cold air masses the result is...
an occluded front
what are the most abundant gases found in the atmosphere?
nitrogen and oxygen
the horizontal movement of air from an area of high pressure to an area of low pressure is called.....
wind
these form over the ocean and are very humid
maritime
what sphere is devoid of all substances?
exosphere
when a warm air mass runs into a cold air mass but neither one can move the result is....
a stationary front
what is the most abundant gas found in the atmosphere?
nitrogen
what is a huge body of air that has similar temperature, humidity, and air pressure at any given height?
air mass
these have less exposure to large amounts of moisture and are drier than maritime air masses
continental
what sphere do we live in?
troposphere
when a cold air mass is pushed under a warm air mass the result is....
a cold front
what is the thin layer of gases that surrounds the planet?
atmosphere
the boundary where air masses meet is called...
a front
an air mass formed in the north would be called a _______ air mass.
polar