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Questions and Answers
Which direction does the circulation of a tropical cyclone flow in the northern hemisphere?
Which direction does the circulation of a tropical cyclone flow in the northern hemisphere?
What is the term used to describe a severe tropical low in the Southern Hemisphere?
What is the term used to describe a severe tropical low in the Southern Hemisphere?
What is the primary weather feature of the Inter-Tropical Convergence Zone (ITCZ)?
What is the primary weather feature of the Inter-Tropical Convergence Zone (ITCZ)?
What is the minimum water temperature required for the formation of a hurricane?
What is the minimum water temperature required for the formation of a hurricane?
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Which layer of the atmosphere is significant for flight crews as it indicates the vertical limit of most weather and the likely location of the jet stream?
Which layer of the atmosphere is significant for flight crews as it indicates the vertical limit of most weather and the likely location of the jet stream?
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What is Runway Visual Range (RVR) used to measure?
What is Runway Visual Range (RVR) used to measure?
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When are RVR values reported?
When are RVR values reported?
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What is the thin layer between the troposphere and stratosphere called?
What is the thin layer between the troposphere and stratosphere called?
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Which term is used to describe expected temporary fluctuations to meteorological conditions which reach specified threshold criteria and last for a period of less than 1 hr in each instance?
Which term is used to describe expected temporary fluctuations to meteorological conditions which reach specified threshold criteria and last for a period of less than 1 hr in each instance?
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What is the purpose of a SNOWTAM?
What is the purpose of a SNOWTAM?
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What is the maximum validity of a SNOWTAM?
What is the maximum validity of a SNOWTAM?
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What are SIGMETs issued for?
What are SIGMETs issued for?
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Which of the following clouds are classified as high level clouds?
Which of the following clouds are classified as high level clouds?
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What is the main factor that determines the position of a jet stream?
What is the main factor that determines the position of a jet stream?
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What is Clear Air Turbulence (CAT) often associated with?
What is Clear Air Turbulence (CAT) often associated with?
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What is the Intertropical Convergence Zone (ITCZ)?
What is the Intertropical Convergence Zone (ITCZ)?
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Which aviation forecast centre issues SIGMET and AIRMET bulletins?
Which aviation forecast centre issues SIGMET and AIRMET bulletins?
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What does the alphanumeric code in a SIGMET indicate?
What does the alphanumeric code in a SIGMET indicate?
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How long are SIGMET validity periods generally?
How long are SIGMET validity periods generally?
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Where can flight crews source additional weather information and updates?
Where can flight crews source additional weather information and updates?
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