Stock image of a very dark cloud over a city. Istanbul was thrust into darkness on Tuesday as a heavy cloud rolled over the city, nearly blocking out the sun entirely for around 5 minutes.

HIGH POINT, N.C. (WGHP) — When there are dark clouds on the horizon, you know that a storm is coming — but why? Kenn from Mount Gilead wrote in to ask, “I’ve always wondered, why are so… ...

Your position relative to the cloud and where the sun is shining will also affect how dark a storm cloud appears. If you are viewing the cloud from the opposite side of the sun, it appears much ...