High Pressure and Low Pressure

Weather refers to the state of the atmosphere at a specific time, including conditions like: air pressure, wind temperature, and the amount of moisture in the air.

See related Clouds

High Pressure

 * An area of cool, dryer air
 * Air sinks at the center of a high pressure system.
 * Weather usually results in clear, sunny skies.

Low Pressure

 * An area of warmer air that is also more moist (contains more water vapor)
 * Air rises at the center of the low pressure system
 * Weather usually results in cloud with precipitation.

SideNotes

 * High Pressure
 * (North America: High Pressure system moves outward from the center and clockwise)
 * (Southern America: Air in High Pressure systems move outward from the center and counterclockwise)
 * Low Pressure
 * (North America: Low Pressure system moves inward toward the center and counterclockwise)
 * (South America: Low Pressure system moves inward toward the center and clockwise)