High-Pressure systems
Labeled as a H on a weather map
Masses of **cool** and **dry** air
Bring fair weather with mostly sunny, clear skies and light winds
Low-Pressure systems
Labeled as a L on a weather map
Masses of **warm** and **moist** air
Bring cloudy, stormy weather with strong winds
Precipitation
Water that falls to Earth as rain, snow, sleet, mist, or hail.
Factors that affect the amount of **precipitation** an area receives are:
Temperature
Bodies of water
**Elevation**
Atmospheric conditions