August 23, 2013 7:23 am

Incredible video of fog rolling over Newfoundland mountains

YouTube user Perry709 captured the eerie moment on video, calling it "creepy" and "unbelievable."

YouTube

TORONTO – An avalanche of fog rolling over the Long Range Mountains in Newfoundland’s Lark Harbour earlier this week shows the beauty of Mother Nature.

The wall of fog moved through the town on Tuesday, mesmerizing passersby.

YouTube user Perry709 captured the eerie moment on video, calling it “creepy” and “unbelievable.”

Check it out:

The terrain of Lark Harbour is what is responsible for the incredible natural phenomenon.

Fog is basically low-forming cloud and like all clouds, is created by water vapour. It formed on the one side of the mountain, which had the moisture from the bay.

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“On the other side of the mountain, which acts as a barrier, the temperature will rise and it will be drier,” said Bob Robichaud, Warning Preparedness Meteorologist with Environment Canada in Halifax, N.S. “But if you have a moist air mass coming over, the cold water will cool the moist air mass from below, bringing the temperature right down to the dew point, so then you ‘ll have fog forming over that area.”

The dew point is the temperature at which air can no longer hold all the water vapour it contains.

In this case, the fog formed, building upwards and then came down the other side of the mountain.

“As it’s coming down, it’s drying out because it’s moving into drier air, Robichaud said. “So that’s why the fog never really makes it beyond the bottom of that mountain.”

Lark Harbour, Newfoundland, is surrounded by mountains on either side. (Google Maps)

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© Shaw Media, 2013

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