Weather and Atmosphere Vocabulary

High Pressure

• Low density air. Brings lousy weather.

• The amount of water vapor in the air

• The force exerted by the atmosphere on Earth’s surface by the weight of the air above.

• Very dense cool dry air. Brings happy weather.

Air Pressure

• The force exerted by the atmosphere on Earth’s surface by the weight of the air above.

• Very dense cool dry air. Brings happy weather.

• movement of air from an area of high density and pressure to low density and pressure. Caused by uneven heating of the earth

• Low density air. Brings lousy weather.

Low Pressure

• The force exerted by the atmosphere on Earth’s surface by the weight of the air above.

• Low density air. Brings lousy weather

• Very dense cool dry air. Brings happy weather.

• Transfer of thermal energy through circular motion caused by heating and cooling of fluids (liquids/gases)

The pattern of weather that occurs in an area over many years.

• Air Mass
• Climate
• Wind
• Wind Vane

Narrow bands of high speed winds near the top of the Troposphere that move West to East.

• Air Mass
• Front
• Jet Stream
• Wind

This leads to clear skies and sunny days.

• Cold Front
• Warm Front
• High Pressure System
• Low Pressure System

Where air masses meet and produce different kinds of weather.

• Air mass
• Front
• Relative Humidity
• Wind

A large body of air that has the same properties, as the area of the Earth's surface over which it develops.

• Air Mass
• Conduction
• Relative Humidity
• Weather

What is happening in the atmosphere right now; 
Current conditions

• Low Pressure System
• High Pressure System
• Weather
• Wind

Leads to cloudy skies, and possible rain/snow

• Cold Front
• Warm Front
• High Pressure System
• Low Pressure System