In addition to their overall temperature air masses are classified according to the surface over which they form. continental air masses form over land, and are likely to be dry. Maritime air masses form over water and are humid. Polar air masses form at high altitudes and are cold. Tropical air masses form at low latitudes and are warm
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Atmospheric scientists have created definite temperature and humidity criteria to classify each air mass. We'll classify them based on their general conditions, e.g. warm and wet, cold and dry. The latitude of the source region fundamentally determines the temperature of an air mass. Arctic air masses form between 60o and 90o north latitude. Arctic air masses are characterized as being extremely cold air masses. Polar air masses form between 40o and 60o north or south latitude and are cold air masses but warmer than the higher latitude arctic air mass. Warm tropical air masses are found between 15o and 35o north and south latitude. The exceedingly warm equatorial air masses form near the equator. The type of surface over which air masses form also determines their humidity characteristics. Maritime (oceanic) air masses are typically moist, whereas those forming over the continents are usually dry. However, humidity is also determined by temperature so cooler maritime polar air masses are drier than warm maritime tropical air masses.
The air masses are usually characterized by cold temperatures and the dry air. The arctic air is just one of the examples of the air masses.
Air masses are classified according to their maritime source regions and their latitude. Different air masses affect different parts of the world.
Maritime tropical air masses, Maritime polar air masses, Continental polar air masses, or Continental tropical air masses.
when two air masses collide it will produce weather changes such as wind, clouds, rain , snow, or tornadoes
Yes,because a warm air mass,and a cool air mass mix together when they meet at fronts.
A boundary between 2 air masses of different density moisture or temperature is a front.
Rainy unsettled weather forms when two air fronts meet each other. One air front is usually cold air and the other has warmer air. When these air masses meet head on it is likely there will be a thunderstorm.