Show Whence Where does the weather come IN THE United States the layer of which is our generally moves west to On the west coast masses of moist Pacific air come from the southwest and and are warm and The dry air of the non-coastal states in the Midwest generally comes from the over the cold dry air that invades the eastern half of the country moves down from IN moist air masses from the Atlantic move into the east from both the southeast and being warm and When these masses of air they often create an occluded front and but often generally if you are east of a strong air it will move over you and bring the weather prevailing under to the FRONTS move at varying usually up to about 30 miles an the weather you have tomorrow may be five hundred miles away in a westerly |