Archived Outdoors

A dry September means fall color forecast is looking up

out leavesThe outlook for a bright leaf season is improving, as Western Carolina University fearless fall foliage forecaster Kathy Mathews has updated her prediction about the quality of the annual color show, based on changing conditions in the mountains.

 

“The weather patterns that we have been having in Western North Carolina in recent weeks should mean a brighter display of fall colors than originally thought,” said Mathews, an associate professor of biology at WCU who specializes in plant systematics. “The drier, sunnier weather improves our chances of a brilliant fall color season.”

Mathews bases her color forecast in part on weather conditions. She believes that the formation of higher levels of pigments in the leaves correlates with dry weather throughout the year, especially in the spring and September.

Although a wet spring with above-average amounts of rainfall originally pointed to an autumn with spotty colors across the mountains, the development of dry conditions in late August and September should improve the overall outlook and produce vibrant bursts of color, she said.

In addition, the seasonal forecast from the National Oceanic and Atmospheric Administration calls for slightly above-average temperatures this fall in the Southeast. If that prediction pans out, the color season could be longer than normal, extending well into November, Mathews said.

The peak of fall color typically arrives during the first and second week of October in the highest elevations – above 4,000 feet – and during the third week of October in the mid-elevations of 2,500 to 3,500 feet. An early frost could accelerate the timing of peak color, Mathews said. 

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