6+variables+in+weather

High heat beaming down at the equator lifts air up, lowering air pressure. The warm air is driven pole-ward where it cools, sinks, and increases in pressure. The friction and the Coriolis effect sends the air eddying around the globe. || Temperature Pressure Humidity Wind Speed Clouds Precipitation || [|NOAA image from 01/11/12] =A**ir masses--**a volume of air defined by its temperature and water vapor content--interact along fronts.=
 * [[image:what-is-evaporation.jpg]] || [[image:unequal.jpg width="200" height="314"]] ||
 * =Weather is made of unequal heating & earth spinning .=


 * [[image:warmfront.jpg]] || [[image:coldfront.jpg]] ||