WX0203a · Pressure & Wind (Written)
6 questions · 0 multiple choice · 6 written · ASA 109 Marine Weather — Pressure & Wind (Written)
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Q1
Discuss why you can’t judge a typical marine barometer quality from its cost.
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Q2
Explain how to figure wind speed and direction from the spacing and orientation of isobars on weather maps.
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Q3
Explain why isobar spacing (the pressure gradient) alone is not always enough to make accurate wind predictions at a given latitude at sea.
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Q4
Explain briefly how to check barometer accuracy.
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Q5
Why do Highs generally have clear weather and light winds while Lows have clouds, rain, and strong winds.
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Q6
Why is it important to be able to determine true wind speed and direction from the apparent wind speed and direction?