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ATSC 231 Block 5 Final Exam Questions and Answers 100% Pass

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  • ATSC 231

ATSC 231 Block 5 Final Exam Questions and Answers 100% Pass A rapid change of more than ________ of airspeed is an indication of severe wind shear. - 15 KTS A(n) ______ is a fluctuation of wind speed with variations of 10 knots or more between peaks and lulls. - gust Severe wind shear with a f...

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  • January 8, 2025
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ATSC 231
  • ATSC 231
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ATSC 231 Block 5 Final Exam
Questions and Answers 100% Pass

A rapid change of more than ________ of airspeed is an indication of severe wind shear. - ✔✔15 KTS


A(n) ______ is a fluctuation of wind speed with variations of 10 knots or more between peaks and lulls. -

✔✔gust


Severe wind shear with a front may occur when the front at the surface is moving at a speed of at least? -

✔✔30 KTS


Severe wind shear with a front may occur when the temperature difference across the front at the surface

is _____ or more. - ✔✔10 degrees F


(T or F) Most thunderstorms occur in the afternoon in the Upper Midwest (Minnesota, North Dakota, and

South Dakota). - ✔✔False


What time of day are thunderstorms most frequent across the Gulf Coast (Florida, Alabama, Georgia,

Mississippi)? - ✔✔afternoon (2 pm to 6 pm)


What are the stages in the life cycle of a thunderstorm? - ✔✔Cumulus


Mature


Dissipating


Which stage of the life cycle of a thunderstorm can be characterized as having just light precipitation? -

✔✔Dissipating




Emily Charlene © 2025, All Rights Reserved.

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Which of the following is an additional requirement for severe and long-lasting thunderstorms? -

✔✔Wind shear


Which of the following is a good indicator of the moisture available for thunderstorm formation? -

✔✔dew point


Which thunderstorm type can be described as a line of active thunderstorms either continuous or with

breaks, including contiguous precipitation areas resulting from the existence of thunderstorms? -

✔✔Multicell line


What thunderstorm type is most common in the US? - ✔✔multicell cluster


(T or F) Multicell cluster thunderstorms are more difficult to circumnavigate than a single cell

thunderstorm - ✔✔True


What type of radar echo is produced by strong straight line winds? - ✔✔Bow echo


(T or F) single cell thunderstorms are rare - ✔✔True


(T or F) The downdraft in a single cell thunderstorm forms within the updraft - ✔✔True


What type of thunderstorm produces about 25% of all US tornadoes? - ✔✔Multicell (or squall) line


What type of thunderstorm does not develop in a sheared environment? - ✔✔Single cell


What is another name for a single cell thunderstorm? - ✔✔Airmass


Which thunderstorm type can be described as a thunderstorm composed of many cells, each in a different

stage of development? - ✔✔multicell cluster


(T or F) Some part of a cloud must be colder than 0 C for lightning to develop. - ✔✔True


What is typically the sign of the charge of the upper portions of thunderstorms? - ✔✔Positive




Emily Charlene © 2025, All Rights Reserved.

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