Meteorology · Local Winds — Katabatic
A katabatic wind is one that:
- ABlows from sea to land in the afternoon
- BCirculates around a hurricane
- CRises up a mountain in the day
- DFlows downslope as cold dense air drains under gravity✓ Correct
Explanation
Katabatic (drainage) winds occur when cold, dense air flows downhill under gravity, sometimes reaching gale force off glaciers/highlands (e.g., the bora, mistral). Anabatic winds are the daytime upslope flow.
Authority: Bowditch (Pub. No. 9), local winds
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