Conceptual Physical Science Explorations
2nd Edition
ISBN: 9780321567918
Author: Paul G. Hewitt, Leslie A. Hewitt, John A Suchocki
Publisher: Addison Wesley
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Question
Chapter 31, Problem 16TE
To determine
The reason for cause of clouds and precipitation by fronts.
Expert Solution & Answer
Answer to Problem 16TE
Cold fronts cause the warm air to lift vertically upward. As the air rises, it cools and its moisture condenses to produce clouds and precipitation.
Explanation of Solution
The lifting mechanisms cause the warm air and cold air to lift up against the gravity effect, the temperature and pressure of the air decrease as it rises, so in case of a cold front, a colder, denser air mass lifts the warm moist air. As the air rises, it cools and moisture condenses to produce clouds and precipitation.
The warm front moves up above the cold air front, less dense air rises up and starts cooling. The moisture content of air starts condensing and produce big-sized water molecules from clouds and cause precipitation to occur.
Conclusion:
Therefore, cold fronts cause the warm air to lift vertically upward. As the air rises, it cools and its moisture condenses to produce clouds and precipitation.
Chapter 31 Solutions
Conceptual Physical Science Explorations
Ch. 31 - What is the difference between humidity and...Ch. 31 - Why does relative humidity increase at night?Ch. 31 - As air temperature decreases, does relative...Ch. 31 - What does saturation point have to do with dew...Ch. 31 - What happened to the water vapor in saturated air...Ch. 31 - Prob. 6RQCh. 31 - When a parcel of air rises, does it become warmer,...Ch. 31 - When does an adiabatic process happen in the...Ch. 31 - Prob. 9RQCh. 31 - Prob. 10RQ
Ch. 31 - Prob. 11RQCh. 31 - Prob. 12RQCh. 31 - Prob. 13RQCh. 31 - Prob. 14RQCh. 31 - Prob. 15RQCh. 31 - Prob. 16RQCh. 31 - What are the three main atmospheric lifting...Ch. 31 - Prob. 18RQCh. 31 - Prob. 19RQCh. 31 - Prob. 20RQCh. 31 - Prob. 1TECh. 31 - When water vapor condenses to liquid water, is...Ch. 31 - Prob. 3TECh. 31 - Why does warm, moist air blowing over cold water...Ch. 31 - Prob. 5TECh. 31 - In simplest terms, what is an occluded front?Ch. 31 - Why are saturation and condensation more likely to...Ch. 31 - Why does surface temperature increase on a clear,...Ch. 31 - Prob. 9TECh. 31 - Prob. 10TECh. 31 - Prob. 11TECh. 31 - Prob. 12TECh. 31 - Prob. 13TECh. 31 - Prob. 14TECh. 31 - Prob. 15TECh. 31 - Prob. 16TECh. 31 - Prob. 17TECh. 31 - In which atmospheric layer does all our weather...Ch. 31 - Prob. 19TECh. 31 - What is the source of the enormous amount of...Ch. 31 - Prob. 1RATCh. 31 - Fast-moving air molecules have (a) greater kinetic...Ch. 31 - Prob. 3RATCh. 31 - Prob. 4RATCh. 31 - When upper regions of the atmosphere are warmer...Ch. 31 - A key factor needed for precipitation to occur is...Ch. 31 - For clouds to form, air must be lifted. The...Ch. 31 - As air temperature decreases, relative humidity...Ch. 31 - Prob. 9RATCh. 31 - Prob. 10RAT
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