We learned in science class that leaves change color every autumn.
Days grow shorter, nights get longer and biochemical processes in the leaves begin to change the color of the leaves. Chlorophyll gives leaves their great summer green color, but as the amount of sunlight shortens, the chlorophyll is destroyed and leaves start turning.
But some years are more brilliant than others.
Why? I'll show you in this edition of Weather Whys. Watch in the video player above.
Stay in touch with us anytime, anywhere.
Download our free app for Apple and Android and Kindle devices.
Sign up for newsletters emailed to your inbox. Select from these options: Breaking News, Severe Weather, School Closings, Daily Headlines and Daily Forecasts.