Why Some Lakes Steam in Fall Mornings
Why Some Lakes Steam in Fall Mornings
US · Published Oct 15, 2025
Lake steaming, or steam fog, happens when cold air moves over warmer water, common in fall.
The temperature difference causes water to evaporate, mix with cold air, and condense into fog.
Calm winds and clear skies enhance lake steaming, most visible in early mornings.
Understanding lake steaming in crisp fall mornings
The phenomenon of lakes appearing to 'steam' on crisp fall mornings is a type of fog called steam fog, also known as evaporation fog or mixing fog. It occurs when cold air passes over significantly warmer water, creating a visual spectacle indicative of specific weather conditions.
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