Leaf-peeping season has arrived in the Northeast and beyond, but weeks of drought have muted this year's autumn colors, sending leaves fluttering to the ground earlier than usual.
Soaking in the fall foliage is an annual tradition in areas such as New England, the Rocky Mountains of Colorado, Great Smoky Mountains of Tennessee and North Carolina, and the Upper Peninsula of Michigan.
As the days shorten and temperatures drop, chlorophyll in leaves breaks down, and they turn to autumn tones of yellow, orange, and red. However, dry weather in summer and fall can cause leaves to brown and fall more quickly.
According to the U.S., more than 40% of the country was considered to be in a drought in early October.
Leaf-peeping season has arrived, but weeks of drought have muted this year's autumn colors.
Author's summary: Drought affects autumn colors.