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A weather (state of atmosphere) front is a boundary separating two masses of air of different .... If the temperature differences of the two air masses involved are large and the turbulence is extreme because of wind ... "Dryline cross section".


Mar 30, 2011 ... Encyclopedic entry. An air mass is a large volume of air in the atmosphere that is mostly uniform in temperature and moisture. Air masses can ...


Air Mass is an extremely large body of air whose properties of temperature and ... Source Regions are simply geographic areas where an air mass originates.


Air masses are relatively large bodies of air that are fairly horizontally uniform in characteristics. They may extend across an entire continent and are relatively ...


Fronts represent fairly abrupt transitions between two large air masses. As ... warm front cross-section, we can then realize that when the warmer air meets the  ...


land mass or over a large body of water, and (2) there must also be large scale ... conducive to forming homogeneous air masses because the general ..... section of the cold front and the vertical cross section of the warm front, as shown.


Air Masses. uniform bodies of air. An air mass is a large body of air that has similar temperature and moisture properties throughout. The best source regions for ...


Air masses have fairly uniform temperature and moisture ... Continental Polar air masses form over large, high- ..... Each section travels about 50 m in a.


Jul 16, 2012 ... Air masses form over a large area; they can be 1,600 km (1,000 miles) across ... The rest of this section will be devoted to four types of fronts.


1. identify the major airmass source regions in North America; ... An airmass is a large body of air with rel- .... Figure 9.2 Cross section through three cold fronts.