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The Jet Stream Trivia Questions

How much do you really know about The Jet Stream? Below are 8 true or false statements. Click each one to reveal the answer and explanation.

1.

The Jet Stream's position shifts north and south with the seasons.

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Easy
✓ TRUE

The jet stream moves north in summer and south in winter in the Northern Hemisphere, following the sun's thermal gradient.

2.

The Jet Stream influences the path of storms and weather systems across the United States.

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Easy
✓ TRUE

The jet stream acts as a steering current for low-pressure systems, directing storm tracks across the continent.

3.

The Jet Stream flows exclusively from west to east without any north-south movement.

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Medium
✗ FALSE

While generally west-to-east, jet streams develop large meanders called Rossby waves, moving north and south significantly.

4.

The Jet Stream can exceed speeds of 200 miles per hour at its core.

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Medium
✓ TRUE

Wind speeds in the core of a strong jet stream can surpass 200 mph (320 km/h), often recorded during winter storms.

5.

The Jet Stream is strongest during the summer months due to intense solar heating.

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Medium
✗ FALSE

The jet stream is stronger in winter because of greater temperature differences between polar and tropical air masses, not summer.

6.

The Jet Stream is a continuous, unbroken band of wind that circles the entire globe.

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Medium
✗ FALSE

Jet streams are fragmented, with multiple branches, and they often split and merge, not a single continuous ribbon.

7.

The Jet Stream was discovered by Benjamin Franklin in the 18th century.

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Hard
✗ FALSE

Franklin studied the Gulf Stream ocean current, not the atmospheric jet stream. The jet stream's scientific discovery is credited to Carl-Gustaf Rossby in the 1930s.

8.

The Jet Stream was first identified by meteorologist Carl-Gustaf Rossby in the 1930s.

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Hard
✗ FALSE

Wasaburo Oishi, a Japanese meteorologist, first identified the jet stream in the 1920s using pilot balloons near Mount Fuji, predating Rossby's work.

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