METEOROLOGY


1.


Using the weather maps below, estimate the wind strength (light, moderate or strong) and the direction you would expect at the marked positions.


Northern Hemisphere


x L


a) Southern Hemisphere b)


x H


H c) x L


x L d) 2. e)


H x f ) Describe the conditions under which the following are likely to occur:


a) Radiation fog. b) Advection fog. c) What actions might a skipper, receiving a fog forecast whilst at sea, decide to take? List three.


3.


a) Describe a cumulonimbus cloud. b) During which phase of a frontal system do cumulonimbus clouds generally occur? c) What would you expect to happen as they pass overhead? d) What effect is this likely to have on visibility? e) What actions might the skipper take to remain compliant with the collision regulations? List two.


L


x L


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