It is a flow of the warm stream of the moist air that is originating from the formation of the cyclone that forms within an extratropical zone and is headed by the cold front that sops up and down the surface. As the mid-latitude cyclone are those that are formed on the belt of the 30 to the 60 degrees and they impact the weather of the U.S and are associated with the formation of the air masses and the fronts.
