of course if its not weather then no whether in the world anymore so a weather is a weather
the heat from the sun causes all weather on earth
The thing that determines the weather is, a machine that studies the climate over a period of time and determins it by that..
Meteorologists primarily use satellite imaging to determine the weather. They look at various images produced over a period of time, and make predictions for what they think is most likely to happen...
Sunshine, water and the Earth's rotation.