The term 'COLD FORECAST' can be broken down into two crossword solutions: TEENS (5 letters) and ZERO (4 letters). TEENS is a reference to the teenage years, which are typically associated with a period of physical and emotional growth. ZERO is a reference to the temperature, which is often used to describe a very cold day. Together, the two words form the phrase 'cold forecast, ' which is used to describe a weather forecast that predicts a cold day.