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General Temperature and Humidity Cyclonic Storms Exam Practice

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Cyclonic Storms
Part A. Air Masses
1. What would the general temperature and humidity conditions be for the
following types of air masses?
a. cP: These air masses are extremely dry and cold. This is mainly influenced by
winter cooling over cP regions that cause the atmospheric condition to become
very stable with few cloud cover.
b. mP: Maritime Polar are also cold but moist since it originates from the ocean.
c. mT: Maritime Tropical are moisture bearing and are known as rain producing
air mass throughout the year. They are characterised by low stratus/for or
stratocumulus clouds with extremely poor visibility.
2. Figure 7.1 below, shows the source region and direction of most of the air masses
that influence the weather conditions of North America. Label each of the air
masses (cP; cT;mP; or mT).

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3. What two major air masses would influence the weather of California?
California is primarily influenced by maritime tropical air masses (mT) that mainly
originates from the subtropical Pacific Ocean. mT air masses mainly bring low clouds
and fog across most parts of California.
4. Which air masses would have the greatest impact on weather along the central
part of the United States?
cP air masses.
5. In one sentence, describe the location of Tornado Alley.
This is an area in the United States that has high potentials of tornado development.
Tornado prone areas are mainly located along northern Texas through Oklahoma,
Missouri, Kansas and parts of Iowa, Louisiana including eastern Colorado.

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Cyclonic Storms Part A. Air Masses 1. What would the general temperature and humidity conditions be for the following types of air masses? a. cP: These air masses are extremely dry and cold. This is mainly influenced by winter cooling over cP regions that cause the atmospheric condition to become very stable with few cloud cover. b. mP: Maritime Polar are also cold but moist since it originates from the ocean. c. mT: Maritime Tropical are moisture bearing and are known as rain producing air mass throughout the year. They are characterised by low stratus/for or stratocumulus clouds with extremely poor visibility. 2. Figure 7.1 below, shows the source region and direction of most of the air masses that influence the weather conditions of North America. Label each of the air masses (cP; cT;mP; or mT). 3. What two major air masses would influence the weather of California? California is primarily influenced by maritime tropical air masses (mT) that mainly originates from the subtropical Pacific Ocean. mT air masses mainly bring low clouds and fog across most parts of California. 4. Which air masses would have the greatest impact on weather along the central part of the United States? cP air masses. 5. In one sentence, describe the location of Tornado Alley. This is an area in the United States that has high potentials of tornado development. Tornado prone areas are mainly located along northern Texas through Oklahoma, Missouri, Kansas and parts of Iowa, Louisiana including east ...
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