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How does the weather change when there is an occluded front?

April 26, 2017ask the experts occluded weather weather answers weather experts weather questions weather resources

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How does the weather change when there is an occluded front?

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An occluded front typically forms when a faster-moving cold front catches up to a slower-moving warm front. When the air behind the cold front is colder than the air ahead of the warm front, the occluded front will behave like a cold front, with brief, heavy rainfall and a wind shift to the west or northwest. When the air behind the cold front is not as cold as the air ahead of the warm front, lighter, but more prolonged, precipitation can be expected, similar to the overrunning precipitation produced by warm fronts. Learn more about storms and fronts on this USA TODAY resource page. (Answered by meteorologist Bob Swanson, USA TODAY’s assistant weather editor, Nov.