Frostbite is a danger this week — how to avoid losing a finger

AUSTIN (KXAN) - One of the main things the First Warning Weather team has been warning you about this week is frostbite. Since wind chills will be close to zero degrees this week, it is easier to get frostbite than usual.What is frostbite?When temperatures drop, your blood vessels constrict. This prevents blood from circulating to parts of your body that can easily freeze, such as your fingers, toes and nose.Frostbite occurs in four stages:First degree is where the surface of the skin freezes.Se