MacDonald, Alexander Forsyth, 1897-1965 · Port Credit, Ont. : Aviation Service Corporation · leaf 57
t. Along the Polar Front, the cold polar air flows fromthe north-east towards the south-west on the north side(Fig. 16) while the warm air flows from south-westtowards the north-east on the south side. The arrange-ment is not a stable one but is subject to continualdisturbances due to the warm air… … 17. Bulge in tht Polar Front. emphasizing the bulge. (Fig 17). This bulge is thenew Depression, (or Low Pressure Area) just bom,which normally travels north-eastward along the PolarFront, carrying with it the wind and weather charac-teristics produced by the interaction of the two differentAir…
Airplanes
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