What has to be expected by the balloon pilot during descent in deeply cooled layers close to the ground?

Question

Question Quiz BPL Gas - Balloon Pilot License - Operational Procedures

QuizVDS · Accepted Answer

Floating on top of the cold air layer.

QuizVDS · Answer

Sudden change in airspeed.

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Balloon starts to climb.

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Increasing descent while entering to ground layers

Id 385 - BPL Gas - What has to be expected by the balloon pilot during descent in deeply cooled layers close to the ground?