In which location would clear air turbulence NOT be expected?

Question

BlackTom AI · Accepted Answer

To tackle this question, I’ll evaluate each location where clear air turbulence (CAT) might or might not be expected.
Option 1: 'in the nose of a jet stream' — CAT is commonly associated with jet streams, especially near the jet core and at boundaries where wind shear is pronounced. Therefore, CAT can occur in or around the jet stream, including near its leading edge, so this location could experience CAT.
Option 2: 'in unidirectional, constant speed flow' — This describes a perfectly uniform flow with no shear, no changes in speed, and no directional changes. CAT arises from wind shear and irregularities in the atmosphere; in a truly unidirectional, constant-speed flow there is little to no mechanism generating turbulence. Thus, CAT would NOT be expected here.
Option 3: 'in the trough axis' — A trough axis in upper-level flow is typically associated with significant wind shear and temperature contrasts, which can produce CAT. So this is a location where CAT could be expected.
Option 4: 'in diffluent flow' — Diffluent flow refers to fluid flow that spreads apart around obstacles or bends, creating shear and eddies. This conditions are conducive to CAT as well, so turbulence can occur there.
Overall, the key idea is that CAT arises from wind shear and irregularities in the atmosphere. A perfectly uniform, unchanging flow (unidirectional, constant speed) lacks those conditions, making CAT unlikely in that specific scenario.

WX 301 Extra Credit Attendance Quiz 2 Dec

In which location would clear air turbulence NOT be expected?

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