Tornadoes form when winds blowing in different directions meet in the clouds and begin to turn in circles.

VOA: special.2010.05.11

Sometimes a person with his head in the clouds can be brought back to reality.

VOA: special.2009.03.08

The opposite kind of person is one who has his "head in the clouds."

VOA: special.2009.03.08

Ten minutes later, we are above the clouds in the bright sunshine.

VOA: special.2010.09.08

These crystals grow from water particles in cold clouds.

VOA: special.2010.01.05

So we all went up to the Space Needle to watch the fireworks and this big cloud moved in and covered the Space Needle and so we just kind of watched the clouds and that was it."

VOA: special.2010.07.02

But things are beginning to look up. Carefully,cautiously, we can say that there is a break in the clouds,".

VOA: standard.2009.04.26

As storm clouds of war rumble across the Atlantic, Welles puts the play not in ancient Rome, but in contemporary Europe with Caesar as a fascist dictator.

VOA: standard.2009.12.17

An eyewitness who owns a shop inside the market also told reporters that he heard a loud explosion, with a ball of fire and clouds of smoke in its aftermath.

VOA: standard.2009.06.01