What are the various winter weather warnings and advisories?
• A winter storm watch indicates that severe winter weather conditions may affect your area. • A winter storm warning indicates that severe winter conditions are imminent. • A winter storm warning for heavy snow indicates snowfalls of at least six inches in 12 hours or eight inches in a 24-hour period are expected. (In the Upper Peninsula, it indicates eight or more inches in 12 hours and 10 or more inches in a 24-hour period.) • Blizzard warnings are issued when sustained wind speeds of at least 35 miles per hour are accompanied by considerable falling and/or blowing snow. Visibility is greatly reduced during a blizzard. • Snow advisories are issued when snowfalls of three to six inches are expected in a 12-hour period. (In the Upper Peninsula, it would result when four to eight inches of snow is anticipated in that same time period.) • Wind chill advisories are issued when wind chill temperatures are currently or are forecast to range from 30 to 50 degrees below zero. • Wind chill wa