Altostratus clouds form as layers of thin, gray clouds stretching out in sheets across the sky. They are thinner and more transparent than nimbostratus clouds, which sometimes have a similar ...

It's winter in Houston. Some places get snow. We get gray, and an occasional sunny day -- just enough to play havoc on sinus passages and newly blooming plants. Article continues below this ad ...

Locals call it May gray and June gloom. But the heavy-looking gray clouds that blot out the sun aren’t just the bane of beachgoers. They serve an important environmental role.

Weather Why do some clouds appear as white clouds and others appear as gray clouds when looking at the satellite view? Posted 7:48 a.m. Aug 26, 2007 - Updated 7:48 a.m. Aug 26, 2007 By James ...

GRAY CLOUDS. Thicker clouds look darker than thinner ones, which let more light through and so appear white. Richard Brill, a professor at Honolulu Community College, gives this answer: ...

Cloudy, gray skies are locked in across Acadiana for the next several days . Highs are gradually trending up with temperatures pushing the upper 60s this afternoon before getting into the 70s ...

If the clouds become thick enough or high enough, all the light above does not make it through the cloud. Therefore, it looks gray or dark.