If you feel like winters haven’t been as cold as you remember as a kid, you’re right. Winter is the fastest warming season in the U.S., and this could have year-round effects on things like allergies, food and water and winter sports. Kari Hall reports. Stay connected: Follow us on Twitter: http://www.twitter.com/nbcbayarea Like us on Facebook: http://www.facebook.com/nbcbayarea Follow us on Instagram: http://www.instagram.com/nbcbayarea Follow us on TikTok: https://www.tiktok.com/@nbcbayarea Catch up on all the day's news: http://www.nbcbayarea.com/ Download our mobile app: On iOS: http://nbcbay.com/R1BhqYM On Android: http://nbcbay.com/rUcA97h Watch us on OTT: Add our channel on Roku: https://bit.ly/3ySK60j Download our app on Amazon Fire TV: https://amzn.to/3FmmiEA