Offers a comprehensive collection of geographic information, including charts, maps, and articles about climate, weather, geology, and human and cultural geographyMidlatitude Cyclonic Systems Midlatitude cyclones are low-pressure systems, perhaps a thousand miles across, that form at the surface underneath meanders in the polar-front jet stream. A polar front, like cold and warm fronts, has relatively anbsp;...
|Title||:||The National Geographic desk reference|
|Author||:||National Geographic Society (U.S.)|
|Publisher||:||Natl Geographic Society - 1999-09|