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After a snow shower, the small amount of dry snow on the ground is being lifted by rather strong winds. The snow

restricts horizontal visibility to 2000 m between the ground and a height of about 50ft. In a METAR, this should be

reported as...

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A high pressure that is weakening with altitude and turns into a low is called a:

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Which FL corresponds with the 500 hPa pressure level?

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The sinking of air is favoured...

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In a large area covered by an air mass of uniform density and situated in the northern hemisphere, isobars on the weather map are equidistant. In this case, geostrophic wind speed..

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By volume, what percentage of the air in the lower troposphere consists of water vapour?

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Visibility is reduced by water droplets to 1 200 m. What is this classified as?

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According to ISA the temperature in the lower part of the stratosphere..

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You must make an emergency landing at sea. The QNH of a field on a nearby island with an elevation of 4 000 ft is 1025 hPa and the temperature is -20°C. What is your pressure altimeter reading when landing if 1025 hPa is set in the subscale? (Barometric lapse rate: 27 ft/hPa)

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The vertical extent of the friction layer depends primarily on..

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