Atmospheric Circulation Quiz
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Questions and Answers

What is the primary global distribution of rainforests?

  • Primarily in the Southern Hemisphere
  • Within the tropics, around 0° latitude (correct)
  • Primarily in the Northern Hemisphere
  • Within the subtropics, around 30° latitude

    • What is the primary global distribution of deserts?

  • Primarily in the Southern Hemisphere
  • Within the subtropics, around 30° latitude (correct)
  • Primarily in the Northern Hemisphere
  • Within the tropics, around 0° latitude

    • What wind pattern exists between the equatorial low and the subtropical high?

  • Westerlies
  • Trade Winds (correct)
  • Northeast Trades
  • Polar Easterlies

    • What wind pattern exists between the subtropical highs and the subpolar lows?

    <p>Westerlies</p> Signup and view all the answers

    What is the wind pattern in the Northern Hemisphere between the polar highs and the subpolar lows?

    <p>Polar Easterlies</p> Signup and view all the answers

    What is the wind pattern in the Southern Hemisphere between the polar highs and the subpolar lows?

    <p>Polar Easterlies</p> Signup and view all the answers

    What is the wind pattern in the Northern Hemisphere between the equatorial low and the subtropical high?

    <p>Northeast Trades</p> Signup and view all the answers

    What is the wind pattern in the Southern Hemisphere between the equatorial low and the subtropical high?

    <p>Southeast Trades</p> Signup and view all the answers

    In which hemisphere does the Coriolis force cause the wind to deflect to the right?

    <p>Northern Hemisphere</p> Signup and view all the answers

    In which hemisphere does the Coriolis force cause the wind to deflect to the left?

    <p>Southern Hemisphere</p> Signup and view all the answers

    Where are the trade winds located?

    <p>Between the equatorial low and the subtropical high</p> Signup and view all the answers

    What is the primary cause of the Equatorial Low-Pressure Belt?

    <p>Rising warm air at the equator</p> Signup and view all the answers

    What characterizes the Subtropical High-Pressure Belts?

    <p>Clear skies and dry weather</p> Signup and view all the answers

    What is the primary cause of the Polar High-Pressure Belts?

    <p>Sinking cold, dense air at the poles</p> Signup and view all the answers

    What weather pattern characterizes the Subpolar Low-Pressure Belts?

    <p>Stormy weather</p> Signup and view all the answers

    What is the primary cause of the Ferrel cell circulation?

    <p>Convection due to rising warm air and sinking cold air</p> Signup and view all the answers

    What is the general wind pattern in the Northern Hemisphere between the equatorial low and the subtropical high?

    <p>Northeast trade winds</p> Signup and view all the answers

    What wind pattern exists between the subtropical highs and the subpolar lows in the Southern Hemisphere?

    <p>Westerlies</p> Signup and view all the answers

    What is the primary global distribution of deserts related to atmospheric circulation?

    <p>Subtropical high-pressure belts</p> Signup and view all the answers

    In which hemisphere does the Coriolis force cause the wind to deflect to the right between the equatorial low and the subtropical high?

    <p>Northern Hemisphere</p> Signup and view all the answers

    What wind pattern exists in the Southern Hemisphere between the polar highs and the subpolar lows?

    <p>Polar easterlies</p> Signup and view all the answers

    What is the Equatorial Low-Pressure Belt characterized by?

    <p>Cloudy skies and frequent thunderstorms</p> Signup and view all the answers

    Where does the air become cool enough and sink back onto the ground surface, creating subtropical high-pressure belts?

    <p>Around 30° North and 30° South</p> Signup and view all the answers

    What characterizes the Subtropical High-Pressure Belts?

    <p>Clear skies and dry weather</p> Signup and view all the answers

    What forms the Polar High-Pressure Belts?

    <p>Sinking very cold air at the poles</p> Signup and view all the answers

    What characterizes the Subpolar Low-Pressure Belts?

    <p>Zone of stormy weather</p> Signup and view all the answers

    Where is the Ferrel cell located?

    <p>Between 30° and 60° N/S</p> Signup and view all the answers

    What is the Polar cell formed by?

    <p>Sinking cold air at the poles</p> Signup and view all the answers

    What causes the formation of the Equatorial Low-Pressure Belt?

    <p>The warm air rising at the equator</p> Signup and view all the answers

    What is the Subtropical High-Pressure Belt created by?

    <p>Sinking cool air from the equator</p> Signup and view all the answers

    What is the Subpolar Low-Pressure Belts caused by?

    <p>The meeting of warm air from the subtropics and cold air from the poles</p> Signup and view all the answers

    What is the common unit of measurement for air pressure?

    <p>Millibars (mb)</p> Signup and view all the answers

    What is the association of low air pressure with?

    <p>Unstable weather conditions</p> Signup and view all the answers

    What does understanding air pressure in the atmosphere help us with?

    <p>Predicting weather conditions</p> Signup and view all the answers

    What creates moving air called wind?

    <p>Difference in air pressure</p> Signup and view all the answers

    What is the effect of a greater difference in air pressure?

    <p>Faster air movement, stronger wind</p> Signup and view all the answers

    What is the primary unit of measurement for air pressure used in meteorology?

    <p>Hectopascals (hPa)</p> Signup and view all the answers

    What is the association of high air pressure with?

    <p>Stable weather conditions</p> Signup and view all the answers

    What does a barometer measure?

    <p>Air pressure</p> Signup and view all the answers

    What is the common unit of measurement for air pressure in the context of meteorology?

    <p>Inches of Mercury (inHg)</p> Signup and view all the answers

    What is the effect of low air pressure on weather conditions?

    <p>Unstable weather</p> Signup and view all the answers

    What is the relationship between air pressure and wind speed?

    <p>Direct relationship</p> Signup and view all the answers

    What is the primary unit of measurement for air pressure in the context of meteorology?

    <p>Millimeters of Mercury (mmHg)</p> Signup and view all the answers

    What is the primary cause of extreme low pressure systems like typhoons?

    <p>High humidity and ocean temperatures</p> Signup and view all the answers

    What is the primary impact of high pressure weather in summer if it remains over an area for a long period?

    <p>Drought</p> Signup and view all the answers

    What characterizes high pressure weather in winter?

    <p>Frost formation in the evening</p> Signup and view all the answers

    What is the primary cause of smog in winter?

    <p>Ground cooling and condensation</p> Signup and view all the answers

    What is the primary impact of high pressure systems on precipitation?

    <p>Decrease in precipitation</p> Signup and view all the answers

    What is the primary impact of low pressure weather on wind conditions?

    <p>Unstable and windy conditions</p> Signup and view all the answers

    What is the primary impact of high pressure weather on daytime conditions?

    <p>Strong sunlight and clear skies</p> Signup and view all the answers

    What is the primary cause of dew freezing impacting traffic and food supply?

    <p>Ground cooling and condensation</p> Signup and view all the answers

    What is the primary cause of stable weather conditions in high pressure systems?

    <p>Sinking cold, dry air</p> Signup and view all the answers

    What is the primary impact of tropical storms forming due to high humidity and ocean temperatures?

    <p>Unstable, rainy, and windy conditions</p> Signup and view all the answers

    What characterizes low pressure weather in places with higher temperatures?

    <p>Stable, rainy, and windy conditions</p> Signup and view all the answers

    What is the primary cause of extreme low pressure systems like typhoons having very strong winds?

    <p>Decrease in pressure</p> Signup and view all the answers

    What is the primary cause of tropical storms forming?

    <p>High humidity and ocean temperatures of over 26°C</p> Signup and view all the answers

    What is the primary cause of extreme low pressure systems like typhoons having very strong winds?

    <p>Decrease in pressure</p> Signup and view all the answers

    What is the primary impact of high pressure weather in summer if it remains over an area for a long period?

    <p>Heavy thunderstorms, flooding, and drought</p> Signup and view all the answers

    What is the primary cause of frost formation in the evening?

    <p>Temperature drops below freezing</p> Signup and view all the answers

    What is the primary cause of smog in winter?

    <p>Fog forms with no strong wind to carry away suspended particulates</p> Signup and view all the answers

    What is the primary impact of high pressure weather in winter?

    <p>Cold, clear and bright days with fog formation at night</p> Signup and view all the answers

    What characterizes low pressure weather?

    <p>Unstable, rainy, and windy conditions</p> Signup and view all the answers

    What characterizes high pressure weather?

    <p>Stable, clear skies, and little or no precipitation</p> Signup and view all the answers

    What is the primary impact of high pressure systems on precipitation?

    <p>Less precipitation due to sinking cold and dry air</p> Signup and view all the answers

    Where does smog occur in winter?

    <p>When fog forms with no strong wind to carry away suspended particulates</p> Signup and view all the answers

    What is the primary cause of dew freezing impacting traffic and food supply?

    <p>Temperature drops below freezing</p> Signup and view all the answers

    What is the primary impact of low pressure weather on wind conditions?

    <p>Unstable and windy conditions</p> Signup and view all the answers

    Study Notes

    Weather and Climate: High Pressure and Low Pressure Systems

    • Low pressure weather is found in places with higher temperatures, such as the equator, leading to unstable, rainy, and windy conditions due to rising warm, moist air.
    • Tropical storms form due to high humidity and ocean temperatures of over 26°C, with water evaporating and coming into contact with cold air to form clouds and low pressure columns.
    • Extreme low pressure systems like typhoons have very strong winds due to the decrease in pressure.
    • High pressure weather is found in places with lower temperatures, leading to stable, clear skies, and little or no precipitation due to sinking cold, dry air.
    • In high pressure weather, daytime is characterized by strong sunlight, clear skies, and heat absorption, while nighttime experiences rapid cooling, condensation, and dew formation.
    • High pressure in summer can lead to heavy thunderstorms, flooding, and drought if it remains over an area for a long period, affecting food supplies and causing heatwaves.
    • In winter, high pressure weather leads to cold, clear and bright days with fog formation at night due to ground cooling and condensation.
    • Frost forms in the evening, and when the temperature drops below freezing, dew freezes, impacting traffic, food shortage for animals, and damage to homes.
    • Smog, which causes respiratory-related diseases, occurs in winter when fog forms with no strong wind to carry away suspended particulates.
    • High pressure systems bring stability and less precipitation due to sinking cold and dry air, resulting in stable weather conditions.

    Weather and Climate: High Pressure and Low Pressure Systems

    • Low pressure weather is found in places with higher temperatures, such as the equator, leading to unstable, rainy, and windy conditions due to rising warm, moist air.
    • Tropical storms form due to high humidity and ocean temperatures of over 26°C, with water evaporating and coming into contact with cold air to form clouds and low pressure columns.
    • Extreme low pressure systems like typhoons have very strong winds due to the decrease in pressure.
    • High pressure weather is found in places with lower temperatures, leading to stable, clear skies, and little or no precipitation due to sinking cold, dry air.
    • In high pressure weather, daytime is characterized by strong sunlight, clear skies, and heat absorption, while nighttime experiences rapid cooling, condensation, and dew formation.
    • High pressure in summer can lead to heavy thunderstorms, flooding, and drought if it remains over an area for a long period, affecting food supplies and causing heatwaves.
    • In winter, high pressure weather leads to cold, clear and bright days with fog formation at night due to ground cooling and condensation.
    • Frost forms in the evening, and when the temperature drops below freezing, dew freezes, impacting traffic, food shortage for animals, and damage to homes.
    • Smog, which causes respiratory-related diseases, occurs in winter when fog forms with no strong wind to carry away suspended particulates.
    • High pressure systems bring stability and less precipitation due to sinking cold and dry air, resulting in stable weather conditions.

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    Description

    Test your knowledge of atmospheric circulation and its impact on weather and climate with this quiz. Explore concepts such as equatorial low-pressure belts, global airflow patterns, and their influence on regional weather conditions.

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