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Meteorology Ch 01

Monitoring the Weather

______ is defined as the state of the atmosphere at some place and time. Weather
Climate is defined as weather conditions at some locality averaged over a standard period of____ years. 30
The climate of some locality governs a. the type of crops that can be cultivated b. the fresh water supply c. the average heating and cooling requirements for homes *d All of the above are correct
Depending on local topography, the maximum range of broadcasts of the NOAA weather radio is about ____ kilometers. 65
______ is used to describe the weight of the overlying air. Pressure
____ pressure systems are usually accompanied by fair weather and _____ pressure systems are usually accompanied by stormy weather. High......Low
_______ is (are) typically found near the center of a high pressure system. Light winds/calm air
Viewed from above in the Northern Hemisphere, surface winds in a high pressure system blow clockwise and outward.
From your experience, weather systems usually cross the United States in several days
Weather systems in the middle latitudes of the Earth generally move in the direction towards the east
Viewed from above in the Northern Hemisphere, surface winds blow ____ about the center of a low pressure center. counterclockwise and outward
Air temperatures tend to be relatively low to the _________ of a low pressure system north and west
As a general rule, lows that track from west to east across southern Canada produce _____ precipitation compared to lows that track along the Gulf of Mexico coast. less
An air mass is a huge volume of air that is relatively uniform horizontally in both temperature and humidity
A front is a narrow zone of transition between air masses that contrast in temperature and/or humidity
The temperature and moisture characteristics of an air mass depend on the properties of the surface over which the air mass resides and travels.
Often associated with a front is (are) a. cloudiness, b. precipitation, c. ascending air, *D All of the above are correct.
At the same humidity (water vapor concentration) a cold air mass is ____ a warm air mass. denser than
Most cloudiness and precipitation associated with a cold front occur as a relatively ____ band along
Created by: gweeneyes