1.   Urquhart glanced into the looming trees and smelt the wintry air.

2.   Behind the storm center, icy breezes will deliver wintry air to parts of the northern Rockies and northern Plains.

3.   A tandem of cold fronts will deliver wintry air from central Canada into the northern Plains and Northeast on Tuesday and Wednesday.

4.   Danger swirled in the wintry air.

5.   Farther west, a cold front with rain showers, marking the leading edge of wintry air will move east from the central Great Lakes and Ohio Valley.

6.   Locally heavy snow will fall in the mountains of northern Wyoming as wintry air spills over the northern Rockies.

7.   Sometimes, this warmer air can be buoyant enough to form thunderclouds above the wintry air below.

8.   The anonymous chatter crackles from truck to truck over the already wintry air and lands on the ear with the same chilling effect.

9.   The rain and snow will end overnight as wintry air envelops the region.

10.   The wintry air might blow colder for Clinton because of continuing questions about his behavior and the debate over campaign contributions.