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Definition
| the side or part of an object that presents itself to view or that is normally seen or used first; the most forward part of something. |
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Definition
| a body of air with horizontally uniform temperature, humidity, and pressure |
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Definition
| a condition of the atmosphere in which the pressure is above average |
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Definition
| involving a small or limited degree of physical force. |
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Definition
| a system of winds rotating inward to an area of low atmospheric pressure, with a counterclockwise or clockwise circulation; a depression. |
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Definition
| a weather system with high atmospheric pressure at its center, around which air slowly circulates in a clockwise (northern hemisphere) or counterclockwise (southern hemisphere) direction. Anticyclones are associated with calm, fine weather. |
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Definition
| the perceptible natural movement of the air, especially in the form of a current of air blowing from a particular direction. |
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Definition
| degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch. |
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Definition
As air is heated it expands becoming less
dense, and as a result, lighter. Because it is lighter, it rises upwards above the
cooler |
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Term
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Definition
| an instrument for measuring and indicating temperature, typically one consisting of a narrow, hermetically sealed glass tube marked with graduations and having at one end a bulb containing mercury or alcohol that expands and contracts in the tube with heating and cooling. |
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Definition
| an instrument for measuring the speed of the wind, or of any current of gas |
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Definition
| a visible mass of condensed water vapor floating in the atmosphere, typically high above the ground. |
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Definition
| the height of an object or point in relation to sea level or ground level. |
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Definition
| the action or process of precipitating a substance from a solution. |
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Definition
| the pressure exerted by the weight of the atmosphere, which at sea level has a mean value of 101,325 pascals |
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Definition
| the state or quality of being humid. |
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Definition
| the boundary of an advancing mass of cold air, in particular the trailing edge of the warm sector of a low-pressure system. |
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Definition
| the boundary of an advancing mass of warm air, in particular the leading edge of the warm sector of a low-pressure system |
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Term
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Definition
Continental Polar cP air mass is an air mass formed over land in a cold region
with cold dry air. |
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Term
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Definition
Extremely cold temperatures and very little moisture.
These usually originate north of the Arctic Circle |
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Term
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Definition
air masses are mild and humid in summer and cool and humid in
winter |
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Term
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Definition
| composite front produced by occlusion |
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Term
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Definition
front between warm and cold air masses that is
moving very slowly or not at all. |
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Term
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Definition
air masses originate over the warm waters of the tropics and
Gulf of Mexico, where heat and moisture are transferred to the overlying air |
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Term
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Definition
a dry air mass formed over land in area
close to the equator |
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