The juice on joints.

In the event of dryness, pain will be aggravated by cold, dry weather, and by taking cold, dry food like raw vegetables, crackers, and ice water. Joints are likely to make cracking sounds.

This will be more likely in people with cold, dry constitutions.  General vata management, increasing ghee and hemp in the diet, and practicing oil massage regularly can help. Be on your game in cold weather.