Aviation Weather- Winds Aloft : How to Decode Winds and Temperature Aloft Charts

Winds aloft, officially known as the winds and temperatures aloft forecast, (known as "FD" in the US and Canada, but becoming known as "FB", following the World Meteorological Organization [WMO] nomenclature), is a forecast of specific atmospheric conditions in terms of wind and temperature at certain altitudes. @Fly8MA

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Air pressure decreases with altitude more rapidly in cold air compared to warm air. is this true or false?