2011 fall foliage arrives

The sun breaks through the turning leaves on a tree as the fall foliage peaks in Black Mountain, N.C., Monday, Oct. 17, 2011.

The sun highlights the turning leaves on a tree as the fall foliage peaks in Black Mountain, N.C., Monday, Oct. 17, 2011.

The leaves on the trees have taken on their fall colors as seen on a trail Friday, Oct. 14, 2011 near Kingston, Pa.

Tim Ireland/Press Association via AP Images

A leaf near Ashton Keynes in the Cotswold Water Park, Wiltshire, September 26, 2011.

Fallen maple leaves carpet a lawn across the street from the First Baptist Church of Kingfield, Maine, Friday, Sept. 30, 2011.

With temperatures in the high 70s, a pair of sailboaters cross paths on Lake Arthur in Moraine Sate Park as the leaves start to change colors along the shoreline, Saturday, Oct. 8, 2011, in Portersville, Pa.

Hikers walk through autumn leaves near the summit of Mount Kurikoma in Kurihara, Miyagi Prefecture, northeastern Japan, Saturday, Oct. 8, 2011.

AP Photo/The West Bend Daily News, John Ehlke

The fall colors stretch across Pike Lake in Hartford, Wis., Saturday morning, Oct. 8, 2011.

A hiker walks across a trail surrounded by fall leaves in Pike Lake in Hartford, Wis., Saturday morning, Oct. 8, 2011.

A fallow deer buck watches from the cover of a bracken thicket after sunrise during the autumn rut at Richmond Park on October 10, 2011 in London, England.

Fall colors appear in the forest near Schroeder, Minn., Sunday, Sept. 25, 2011.

A bicyclist enjoys unseasonably warm near 80-degrees temperatures as he rides past vivid fall colors for a ride near Lake Nokomis, Wednesday morning, Oct. 5, 2011 in Minneapolis.

A single leaf has changed color on a red maple in Freeport, Maine, Friday, Sept. 30, 2011. As trees start showing autumn's golden, orange and red hues, nature lovers aren't the only ones taking note: Scientists are watching trees and making note of time that leaves change and drop as they seek to determine climate change's impact.

A maple tree shows early fall colors on Friday, Sept. 16, 2011 in Waterbury, Vt. In the first of its annual fall foliage reports, Ginger Anderson of the Vermont Department of Forest, Parks and Recreation said weather forecasts for cool nights with adequate moisture and healthy trees portend a good foliage season.

A hint of Autumn appears as leaves and foliage begin to change color at Moseley Bog in Birmingham, England, September 7, 2011. Moseley Bog is a nature reserve and is close to the childhood home of the author J.R.R. Tolkien. The ancient woodland surrounding the bog was his inspiration to create the ancient forests in his books "The Lord of the Rings" and "The Hobbit."

Foliage is seen in front of the Old Meeting House on Thursday, Oct. 6, 2011 in East Montpelier, Vt.

An autumn-colored leaf hangs on a red maple in Freeport, Maine, Friday, Sept. 30, 2011.

Leaves turn to fall colors near Lutsen, Minn., Monday, Sept. 26, 2011.

AP Photo/The Casper Star-Tribune, Dan Cepeda

Eighth-grader Alex Pearson works on an observational poetry assignment at Beartrap Meadow on Casper Mountain on Thursday, Sept. 29, 2011 in Casper, Wyo. The CY Junior High 8th grade class spent their entire school day on the mountain on Thursday, attending each subject as usual while there. The experience gives them an opportunity to enjoy the fresh air, as well as gear up for future field trips in the school year, according to Pearson's English teacher Audrey Egan.

AP Photo/The Brainerd Daily Dispatch, Steve Kohls

Colorful leaves float in a pond in the Pillsbury State Forest north of Pillager, Minn., Thursday, September 29, 2011. Autumn leaf color has accelerated to peak next week in Central Minnesota.

Fall colors appear along a road near Schroeder, Minn., Sunday, Sept. 25, 2011.

AP Photo/The Wausau Daily Herald, Dan Young

A car's brake lights are framed by a sugar maple tree that is turning colors in Wausau, Wis., Monday, Sept. 26, 2011.

Golfers at the Stowe Mountain Golf Course enjoy early fall color on Friday, Sept. 16, 2011 in Stowe, Vt.

In this Sept. 23, 2011 photo, a visitor looks over antique tractors with the backdrop of fall foliage at the Morse Farm Maple Sugarworks in East Montpelier, Vt. Although Vermont is still working to repair roads in the aftermath of Tropical Storm Irene, about 95 percent of the state's roads are open for tourists to enjoy the start of fall foliage season and other outdoor activities and festivals.

Leaves turn to fall colors near Lutsen, Minn., Monday, Sept. 26, 2011.

Fallen leaves float on top of Duck Weed as a hint of Autumn appears at Moseley Bog on September 7, 2011 in Birmingham, England.

A hint of Autumn appears as leaves and foliage begin to change color at Moseley Bog on September 7, 2011 in Birmingham, England.

A dogwalker passes trees at Westonbirt Arboretum, near Tetbury, Gloucestershire, where the leaves are beginning to change to their Autumn colors, September 25, 2011.

A woman walks her dog past a colorful maple tree in West Side Park in Champaign, Ill., on Friday, September 30, 2011.

Kevin Lynch stretches out after jogging around Battle Point Park on Bainbridge Island in Washington State, Friday Sept. 30, 2011, as the maple leaves begin to change color. He is training for the Seattle half-marathon.

AP Photo/The Anchorage Daily News, Mark Lester

Judith Espinosa, left, and her daughter Mariana Gonzalez pick vegetables at Pyrah's Pioneer Peak Farm near Palmer, Alaska, on Wednesday, September 21, 2011. Fall color blankets Bodenburg Butte in the background.