As a Cold Front Moves into a Warm Air Mass

question 92

Multiple Choice

As a cold front moves into a warm air mass

• A)there is a substantial horizontal pressure gradient at heights of a kilometer or more above the surface of the two air masses.
• B)the cold front has a smaller vertical pressure gradient than does the warm air.
• C)the cold front slopes backward at a ratio of between 1:5 and 1:20.
• D)the warm air subsides and is overrun by the cold front.

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