Concept Quiz 3

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This quiz covers key concepts 5 and 6 from Chapter 7. Answer the questions by darkening in the circle next to the correct answer. When completed with the quiz, click on "submit answers for grading" at the bottom of the page.

This activity contains 5 questions.

The polar jet stream occurs along a major frontal zone called the __________ front.

Asiansubtropicalmidlatitudesecondarypolar

Which one of the following statements about the polar jet stream is NOT true?

Its velocity is greater during the summer.It supplies energy to the circulation of surface storms.It moves northward during summer.The general flow is from west to east.Its location roughly coincides with that of the polar front.

	The average speed of the midlatitude jet stream is about 125 kilometers (75 miles) per hour in the winter and roughly half that speed in the summer.

	True False

	Upper-level wind charts reveal that the westerlies follow waves called Rossby waves, with rather long wavelengths of 4000 to 6000 kilometers.

	True False

Embedded within the westerly flow aloft are narrow ribbons of high-speed winds called _________________.

Rossby wavesmonsoonspolar frontsjet streams

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Concept Quiz 3

The polar jet stream occurs along a major frontal zone called the __________ front.

Which one of the following statements about the polar jet stream is NOT true?

The average speed of the midlatitude jet stream is about 125 kilometers (75 miles) per hour in the winter and roughly half that speed in the summer.

Upper-level wind charts reveal that the westerlies follow waves called Rossby waves, with rather long wavelengths of 4000 to 6000 kilometers.

Embedded within the westerly flow aloft are narrow ribbons of high-speed winds called _________________.