Why Autumn Fog Is Thicker in Certain Regions
Why Autumn Fog Is Thicker in Certain Regions
US · Published Oct 4, 2025
Certain weather patterns, especially high-pressure systems, trap moisture and lead to fog formation.
Valleys and low-lying areas are prone to thick fog due to cold air sinking and creating inversion layers.
High humidity and air pollution levels contribute to denser and more persistent autumn fog.
Factors influencing autumn fog density across regions
Autumn brings vibrant colors and crisp air, but also frequent fog. Some regions experience thicker, more persistent fog due to several factors that cause regional differences in fog density.
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