QuestionJune 17, 2025

The jet stream winds are unaffected by the Coriolis force. steer middle-latitude cyclones. are greatly influenced by surface friction. blow across the USA mainland from the east are generally faster than surface winds.

The jet stream winds are unaffected by the Coriolis force. steer middle-latitude cyclones. are greatly influenced by surface friction. blow across the USA mainland from the east are generally faster than surface winds.
The jet stream winds
are unaffected by the Coriolis force.
steer middle-latitude cyclones.
are greatly influenced by surface friction.
blow across the USA mainland from the east
are generally faster than surface winds.

Solution
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Answer

Steer middle-latitude cyclones; Generally faster than surface winds. Explanation 1. Identify the correct statement Evaluate each option based on meteorological principles. 1. **Unaffected by Coriolis force**: Incorrect. Jet streams are affected by the Coriolis force, which influences their direction. 2. **Steer middle-latitude cyclones**: Correct. Jet streams play a significant role in steering cyclones in mid-latitudes. 3. **Influenced by surface friction**: Incorrect. Jet streams occur at high altitudes where surface friction is negligible. 4. **Blow across the USA mainland from the east**: Incorrect. Jet streams typically blow from west to east across the USA. 5. **Generally faster than surface winds**: Correct. Jet streams are high-altitude winds that are generally faster than surface winds.

Explanation

1. Identify the correct statement<br /> Evaluate each option based on meteorological principles.<br /><br />1. **Unaffected by Coriolis force**: Incorrect. Jet streams are affected by the Coriolis force, which influences their direction.<br />2. **Steer middle-latitude cyclones**: Correct. Jet streams play a significant role in steering cyclones in mid-latitudes.<br />3. **Influenced by surface friction**: Incorrect. Jet streams occur at high altitudes where surface friction is negligible.<br />4. **Blow across the USA mainland from the east**: Incorrect. Jet streams typically blow from west to east across the USA.<br />5. **Generally faster than surface winds**: Correct. Jet streams are high-altitude winds that are generally faster than surface winds.
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