Where, as a general rule, is the core of the polar front jet stream to be found?4
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Which area of a polar front jet stream in the northern hemisphere has the highest probability of turbulence?4
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The equatorial easterly jet is a jet stream that occurs:4
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Which of the following statements concerning jet streams is correct?4
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The length, width and height of a typical mid-latitude jet stream are respectively4
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When and where is an easterly jet stream likely to be encountered ?4
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At which time, if any, are polar front jet streams over the South Pacific usually strongest?4
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Which of the following statements concerning the variation in wind speed between summer and winter on the North Atlantic between FL 300 and FL 400 is most correct?4
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Considering the sector Rome to 25°N on the route indicated, what mean upper winds may be expected at FL 300 during winter?4
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Considering the sector from 10°N to Nairobi of the route indicated, during January the upper winds at the 300 hPa level are most likely to be4
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