Sections 1 & 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What two things affect an increase in humidity? | 1. Increase of water vapor in the air due to evaporations, and
2. Increase in temperature helps increase humidity.
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| What is the percentage of relative humidity if the air is saturated? | 100%
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| Relative humidity is expressed as a _________________ | Percentage
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| When does condensation occur? | Air has to be saturated with a relative humidity of 100%.
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| How are clouds formed? | Through the process of condensation. Warm air rises and cools into droplets. These droplets attach to dust particles. Droplets, dust particles, and ice crystals combine to form clouds.
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| Three types of Clouds. | Cumulus
Stratus
Cirrus
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| What does nimbus or nimbo attached to a cloud name indicate? | Some type of precipitation.
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| How are clouds classified? | By altitude and temp formation
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| What are the terms used to classify clouds based on altitude? | Low, Middle (alto), and High (Cirro)
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| What is the name for white puffy clouds that are high in the sky? | Cirrocumulus.
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| Four types of precipitation. | rain
sleet
show
hail
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| Most common type of precipitation | Rain
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| What type of precipitation is freezing rain? | Sleet.
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| What type of precipitation is vapor that turns into ice? | Snow.
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| What falls from the sky as chunks of ice? | Hail.
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| How are air masses represented on maps? | Two letter symbol where the first lower case letter represent moisture content and second upper case letter represents temperature.
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| What are the four air masses? | Maritime Tropical
Maritime Polar
Continental Tropical
Continental Polar
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| Parts or Descriptions of Maritime Tropical Air Masses. | Forms over Water (Gulf of Mexico/Atlantic Ocean)
Low Pressure
Warm
Humid
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| Parts or Descriptions of Maritime Polar Air Masses. | Forms over Water (N. Pacific Ocean)
High Pressure
Cool
Humid
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| Parts or Descriptions of Continental Tropical Air Masses. | Forms over Land (Mexico & SW U.S.)
Low Pressure
Warm
Dry
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| Parts or Descriptions of Continental Polar Air Masses. | Forms over Land (Northern Canada)
High Pressure
Cool
Dry
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| What is a Warm Front? | Warm air rises up over cold air mass resulting in showers and gentle rain.
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| What is a Cold Front? | Cold air mass sinks under warm air mass resulting in thunderstorms and heavy precipitation.
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| What is a Stationary Front? | A front that stalls and remains in one place resulting in precipitation for days.
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| What is an Occluded Front? | Forms when a warm air mass is caught between two colder air masses resulting in cooler temps, lots of rain and snow.
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