Definitions of watches and warnings
Winter storm warning: Snow, sleet or ice expected. Confidence is high that a winter storm will produce heavy snow, sleet or freezing rain and cause significant impacts.
Winter storm watch: Snow, sleet or ice possible. Confidence is medium that a winter storm could produce heavy snow, sleet or freezing rain and cause significant impacts.
Winter weather advisory: Wintry weather expected. Light amounts of wintry precipitation or patch blowing snow will cause slick conditions and could affect travel if precautions are not taken.