1.   Do check on wind direction when siting your barbecue.

2.   Fighting my feeling of dread, I went through the automatic routine of checking the smoke drift for wind direction.

3.   Odour emissions are affected by wind direction, temperature inversion, ambient temperatures and humidity.

4.   This was fine until the wind direction changed slightly and came across the fixed line.

5.   When sailing upwind, a change in the wind direction will make either the board point higher or lower than previously.

6.   An automatic weather station feeds information on wind direction to the computer.

7.   A change in the wind direction forced the firefighters to drop back.

8.   They particularly liked the way it was designed to rotate in response to different wind directions.

9.   And these wind directions were lined up with the galactic clusters within superclusters.

10.   And wind direction can have an even bigger influence.