1.   Canyon winds pick up speed because air that is forced to flow through the constriction of a mountain pass always accelerates.

2.   Canyon winds get a boost in speed because air that is forced to flow through the constriction of a mountain pass always accelerates.

3.   Fine late-autumn weather will dominate the Southwest, though canyon winds will still be gusty in southern California.

4.   Gusty canyon winds will persist in southern California.

5.   Record heat and gusty canyon winds will aggravate the forest-fire problems in California.

6.   The Southwest will be sunny and warmer with gusty canyon winds.