Thursday, December 10, 2015

City Clouds


http://www.weather.com/slideshows/news/cities-skylines-fog-images

"The most common form of fog, known as radiation fog, typically occurs on clear nights as the earth's surface cools moist air immediately above it," said weather.com meteorologist Jon Erdman. "If just enough light wind is present – a couple of mph, at most –  this chilled air can be gently stirred through a deeper layer, forming a deeper radiation fog."

The fog can be seen as dangerous for pilots or navigators. More than 500 people have been killed from fog related crashes

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