You may be so used to cloudy and grey Western New York winters but do you know why they happen in Western New York?

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It all has to do with wind direction, warmer lake water, colder temperatures over the land, and the topography of our region.

October is usually the month of change when the sunshine seems to appear less frequently.  Warm lakes during the Fall and Winter also contribute to unstable air and cloud cover.

News 4's Stevie Daniels explains...

(WIVB-TV)