Coeur dâAlene sits on a small spit at the north end of a large lake of the same name. The setting is decidedly attractive, with lake views on three sides of downtown and mountains on all sides looking south. The mountains are densely forested with fir trees, while trees in the immediate area of the town are sparse.
Each hemisphere has two primary jet streams â a polar and a subtropical. The polar jet streams form between the latitudes of 50 and 60 degrees north and south of the equator, and the subtropical jet stream is closer to the equator and takes shape at latitudes of 20 to 30 degrees.
A: The jet stream is a high-altitude river of fast-moving air with wind speeds of 57 mph or greater. The two main jet streams that influence the USA's weather are the polar jet and the subtropical jet stream.A front is a boundary between different air masses.he jet stream forms along the polar front and it is the position of the polar front that determines where the jet stream is located. If the jet stream dives south in a meridional flow pattern, a cold dome of high pressure is allowed to slide into the USA and put the country in a deep freeze.