Weather<span> is the short-term change in an area's humidity, temperature. and other similar variations in a location as oppose to climate.</span>
The long term average being 30 years. These weather variations are affected by the temperature, precipitation, and wind.
Climate determinants include latitude, altitude, proximity to mountains and oceans, proportion of land to water, thermohaline circulation of the ocean, ocean currents, density and type of vegetation present in an area, as well as the areas' water retention and rainfall.
<span>Climate are classified into three groups. These are Bergeron and Spatial Synoptic, Koppen, and Thornthwaite.</span>
The overall climate in the United States of America (USA) is temperate, with notable exceptions. Alaska has an Arctic tundra climate, while Hawaii and South Florida have a tropical climate. The Great Plains are dry, flat and grassy, turning into arid desert in the far West.