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Questions and Answers
What is the calmest part of a tropical revolving storm called?
What is the calmest part of a tropical revolving storm called?
Tropical revolving storms typically form outside the tropics.
Tropical revolving storms typically form outside the tropics.
False
What is the temperature requirement for the formation of a tropical revolving storm?
What is the temperature requirement for the formation of a tropical revolving storm?
27°C or higher
A storm surge is caused by the weight of the TRS on the __________.
A storm surge is caused by the weight of the TRS on the __________.
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Match the types of storms with their definitions:
Match the types of storms with their definitions:
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Which part of a TRS has the most powerful winds?
Which part of a TRS has the most powerful winds?
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The Ferrel Cell is one of the three main cells in global atmospheric circulation.
The Ferrel Cell is one of the three main cells in global atmospheric circulation.
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Name one example of a location where tropical revolving storms typically form.
Name one example of a location where tropical revolving storms typically form.
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Tropical revolving storms can form during the transition from summer to __________.
Tropical revolving storms can form during the transition from summer to __________.
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Which type of storm is categorized by wind speeds exceeding 74 mph?
Which type of storm is categorized by wind speeds exceeding 74 mph?
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Describe the significance of water temperature in the formation of a tropical revolving storm.
Describe the significance of water temperature in the formation of a tropical revolving storm.
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Explain how the structure of a tropical revolving storm contributes to its intensity.
Explain how the structure of a tropical revolving storm contributes to its intensity.
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Identify the anomalies regarding the geographical distribution of tropical revolving storms.
Identify the anomalies regarding the geographical distribution of tropical revolving storms.
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How does a storm surge relate to the impacts of a tropical revolving storm?
How does a storm surge relate to the impacts of a tropical revolving storm?
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What specific atmospheric conditions are necessary for the formation of a tropical revolving storm?
What specific atmospheric conditions are necessary for the formation of a tropical revolving storm?
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What happens to the air at the equator?
What happens to the air at the equator?
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Air diverges and some travels back toward the poles while the rest moves towards the equator.
Air diverges and some travels back toward the poles while the rest moves towards the equator.
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What is the term for the 'lid' that air hits as it rises?
What is the term for the 'lid' that air hits as it rises?
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The process of air sinking creates __________ pressure at around 30° north and south of the equator.
The process of air sinking creates __________ pressure at around 30° north and south of the equator.
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Match the following locations with their air movement characteristics:
Match the following locations with their air movement characteristics:
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Global Atmospheric Circulation: The movement of __ around the ____ to balance the ______ of the ____.
Global Atmospheric Circulation: The movement of __ around the ____ to balance the ______ of the ____.
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Explain the entire process of Global Atmospheric Circulation in detail.
Explain the entire process of Global Atmospheric Circulation in detail.
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Explain in detail the formation of a tropical revolving storm.
Explain in detail the formation of a tropical revolving storm.
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What is the main purpose of using computer models in tropical storm analysis?
What is the main purpose of using computer models in tropical storm analysis?
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Tropical storms have remained consistently frequent since the start of the 20th century.
Tropical storms have remained consistently frequent since the start of the 20th century.
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What should be done to buildings to protect against tropical storms?
What should be done to buildings to protect against tropical storms?
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The maximum sustained winds of a storm increase by at least __________ mph within a 24-hour period during rapid intensification.
The maximum sustained winds of a storm increase by at least __________ mph within a 24-hour period during rapid intensification.
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Which of the following is NOT a strategy for preparation against tropical storms?
Which of the following is NOT a strategy for preparation against tropical storms?
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Match the following terms with their descriptions:
Match the following terms with their descriptions:
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Emergency services do not need to prepare for disasters related to tropical storms.
Emergency services do not need to prepare for disasters related to tropical storms.
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The increase in tropical storms has been attributed to __________ change.
The increase in tropical storms has been attributed to __________ change.
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What was the approximate number of named storms in 1935?
What was the approximate number of named storms in 1935?
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Match the tropical storm topics with their corresponding details:
Match the tropical storm topics with their corresponding details:
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Match the protection strategies with their examples (+ Think about whether they are Prediction/Protection/Preparation):
Match the protection strategies with their examples (+ Think about whether they are Prediction/Protection/Preparation):
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Match the sources of storm data with their descriptions (+ Think about whether they are Prediction/Protection/Preparation):
Match the sources of storm data with their descriptions (+ Think about whether they are Prediction/Protection/Preparation):
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Study Notes
Definition of a Tropical Cyclone
- Movement of air around the planet, influencing atmospheric temperature, especially around the poles.
Global Atmospheric Circulation
- Describes and explains the process of global atmospheric circulation.
- Includes polar, Ferrel, and Hadley cells.
- Summer and autumn periods between the equator are notable for the Coriolis effect.
Tropical Cyclone (TRS) Conditions
- TRS (Tropical Storm) conditions are often characterized by unstable atmospheric conditions.
- Unstoppable rising air and high water temperatures contribute to TRS formation.
- TRS are very fussy and particular conditions.
Tropical Cyclone Formation
- The conditions for TRS formation are complex.
- Typically develop between the tropic of cancer and the tropic of Capricorn.
- For example, in the Indian and Pacific Ocean regions.
- An anomaly exists where tropical storms form beyond the tropics, for instance, along the east coast of the USA/South West Australia. These are often referred to as "anomalous" tropical storms.
TRS Structure
- Warm, moist air rises creating towering cumulonimbus clouds.
- Cold dry air sinks creating clear skies and high pressure.
- The eye of the TRS is the calmest part, with high pressure, no wind and around 20-40 miles wide.
- The wall is the most dangerous part of the TRS, with the most powerful winds.
- There is a cirrus shield that is dome-like, and visible from space.
- The eye is in the middle and can be seen from space.
- Low pressure, high moisture containing air and old sinking air creates the eye.
TRS Distribution
- Describes the global distribution of tropical storm regions.
- Some anomalies in the formation of tropical storms exist beyond the tropics, for instance, along the east coast of the USA/South West Australia. These are often referred to as "anomalous" tropical storms.
TRS Strength and Characteristics
- TRS peak temperatures around 27°C are typical.
- TRS intensity can vary by location.
- A storm surge can occur, displacing water around the TRS, caused by the "weight" of the TRS on the ocean surface.
- TRS can have a peak intensity.
- TRS are measured on a scale.
- Frequency of TRS may fluctuate over time. For example, in 1935 the number of named storms was 10.5, and in 1955 the number was around 9.
- However, from 1940 the number of named storms continuously increases by each year.
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Description
This quiz explores the definition, conditions, and formation of tropical cyclones. It also delves into global atmospheric circulation and the structural characteristics of tropical storms. Test your knowledge on how these powerful weather systems develop and function.