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Old 9th Feb 2011, 12:03   #1 (permalink)
confusedcanuck
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Slope of Cold Front
Hi,

I know this sounds like a PPL question, but having done my ATPL I've completely forgotten the answer to this question:

Why is a cold front sloped the way that it is i.e. why is the frontal surface at the ground many hundreds of miles ahead of the frontal surface at altitude.

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Old 9th Feb 2011, 12:24   #2 (permalink)
 
Join Date: Nov 2004
Location: Perth - Western Australia
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Confusedcanuck - Because a cold front consists of moist cold air, and therefore, more dense air... which is heavier than the drier, warmer air it's displacing. As a result, the leading edge of a cold front, forms a wedge shape, that pushes forward, under the warmer air.
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Old 10th Feb 2011, 02:37   #3 (permalink)
confusedcanuck
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Ok, Thanks
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