Fall foliage enthusiasts in Colorado can anticipate a spectacular leaf-peeping season this year, according to Dan West, a leading forestry expert in the state. As an entomologist for the Colorado State Forest Service and a member of Colorado State University’s faculty, West regularly assesses forest health by flying over the region in August.
During his recent evaluation, he observed lush greenery in Durango and the southwest corner of the state. Fields that were once tan now radiate shades of green, indicating favorable conditions for foliage. West also mentioned that the central part of the state, particularly the Gunnison Basin, has experienced above-average precipitation from the afternoon monsoonal flows, further enhancing the prospects for a vibrant fall season.
While the shift in seasons is primarily triggered by shorter days and longer nights, environmental factors also contribute to variations in color displays from year to year. West predicts a normal season in Colorado this year, with the first signs of color change appearing around September 9 in the northern regions. The peak viewing experience is expected between September 16 and 27 in these areas. For the Interstate 70 corridor, the peak is projected to occur during the last week of September.
West expressed optimism about the health of the forests, which plays a crucial role in creating stunning foliage. Aspen trees, in particular, have shown resilience, with minimal disturbance or signs of insect infestations or diseases.
Regarding aspen stands, West mentioned, “I observed very little disturbance, specifically referring to insects and diseases. We didn’t face environmental conditions favorable for fungal issues on leaves, which usually occur with a wet spring followed by warm temperatures. Fortunately, that wasn’t the case this year, so we didn’t experience foliar issues caused by fungi affecting aspen foliage.”
Although some isolated pockets of defoliating insects have been observed, they are not widespread. The impact on the overall aspen population has been minimal compared to previous years, where regions like the Grand Mesa were severely affected. Consequently, this sets the stage for an excellent leaf-peeping season in Colorado.
The Climate Prediction Center of the National Weather Service’s 30-day forecast for September indicates above-average temperatures and below-average precipitation. While this might not be welcomed by ski areas preparing for snowfall, it bodes well for fall foliage enthusiasts and promises another impressive display of nature’s artistry.
In conclusion, West has an optimistic outlook, stating, “That sets us up for another great show.” So, mark your calendars and prepare to immerse yourself in the captivating beauty of Colorado’s fall foliage.
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