When the days get shorter, temperatures start dipping into the teens and scraping frost off car windows becomes common, many feel winter has arrived. For those who go strictly by the calendar – winter officially arrives on December 21st. Regardless, winter in Kansas is often unpredictable. As a result, now is the time to start preparing for what can be rapidly changing conditions. In a typical Kansas winter, Kansas State University meteorologist Chip Redmond says we can face a number of weather-related challenges.