An air temperature of -55°C at the 200 hPa level over central Europe in summer is4
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Convective weather phenomena include4
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Half the mass of the atmosphere is found in the first:4
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Which of the following conditions gives the highest value of the QNH?4
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An aircraft flying at FL 45 (OAT 6°C) obtains a reading of 1860 ft on its radio altimeter (ground elevation 3090 ft). What is the value of the QNH, to the nearest hPa, at that point?4
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Which forces are balanced with geostrophic winds?4
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An aircraft flying in the southern hemisphere at 2000 feet, has to turn to the right in order to allow for drift. In which direction, relative to the aircraft, is the centre of low pressure ?4
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Divergence in the upper air results, near the surface, in:4
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For the same pressure gradient at 60°N, 50°N and 40°N the speed of the geostrophic wind will be4
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What degree of turbulence, if any, is likely to be encountered while flying through a cold front in the summer over Central Europe at FL 100?4
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