Fronts
When a warm air mass replaces a cold air mass, bringing continuous precipitation.
What is a warm front
An air mass of warm, moist air.
What is a maritime tropic air mass
The layer of gas that surrounds the Earth
What is the atmosphere
An instrument that measures temperature in F and C
What is a thermometer
When a cold air mass replaces a warm air mass, causing the air behind the front to be, colder and drier.
What is a cold front
A cold, dry air mass
What is a Continental Polar airmass
Makes up 78% of the atmosphere
What is nitrogen
The instrument that helps determine wind direction on weather maps
What is a compass rose
A boundary between two different air masses with the same strength.
What is a stationary front
A cold, moist air mass
What is a maritime polar air mass
The layer between the stratosphere and mesosphere that protects the Earth from harmful UV rays.
What is the ozone layer
The instrument that measures atmospheric pressure in mb & hg
What is a barometer
When two cold air masses converge on a warm air mass. Occurs when a fast-moving cold front takes over a warm front pushing it up and over cold air.
What is an occluded front
An air mass of warm, dry air
What is a continental tropical air mass
Past the exosphere and is the Earth's magnetic field that traps harmful particles from the sun.
What is the Magnetosphere
An instrument that measures wind speed in mph.
What is an Anemometer