Meteorologylocal winds
Katabatic Wind
A katabatic wind is a downslope wind caused by the cooling of air over high ground, such as a mountain or plateau. The cooled, denser air sinks and flows rapidly down the slope into the valleys below. Katabatic winds are the opposite of anabatic winds and are typically a nocturnal phenomenon.
Key Points
- •Typically occurs at night or under clear skies when the ground cools rapidly.
- •Cold, dense air flows downhill into valleys.
- •Can cause significant downdrafts and low-level turbulence for aircraft operating in the area.
Exam Relevance
Pilots must anticipate katabatic winds during early morning or night operations in mountainous areas, as they can cause unexpected tailwinds on approach or localized downdrafts.
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