You are urged to stay indoors until conditions improve. If you must go outside, several layers of clothes will keep you warmer than a single heavy coat. A hat is also important as half your body heat loss can be from the head.

WIND CHILL ADVISORY IN EFFECT FROM 9 PM TUESDAY TO 9 AM CST WEDNESDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 5 above zero. * WHERE...Santa Rosa Coastal County. * WHEN...From 9 PM Tuesday to 9 AM CST Wednesday. * IMPACTS...Exposed skin may quickly become frostbitten or frozen. Wind chill values may fall to extremely dangerous levels and frostbite and hypothermia are possible if precautions are not taken.