Which is most commonly associated with fog?
• Types of fog (radiation fog vs. advection fog) • Relationship between fronts (warm vs. cold) and widespread, persistent fog • Typical pressure systems (low vs. high/anticyclone) and the kind of weather they usually bring
• Which of these situations is most likely to give widespread, long-lasting fog over the sea, rather than just brief poor visibility? • Think about where warm, moist air moves over a colder surface and cools to its dew point—under which option is that most typical? • Which pressure system (low, high, fronts) is more likely to bring clouds and rain versus clear skies with light winds and possible radiation fog?
• For each option, ask: does it usually mean rising air with cloud/rain or stable air with cooling near the surface? • Match each answer choice with the type of fog it could produce (radiation, advection, frontal) and ask which is most common at sea. • Verify which situation is classically taught in marine meteorology as being most often associated with fog over coastal waters.
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