Word: aloft
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...neat circle following the parallels of latitude. But the earth is ridged with mountains and mottled with alternate patches of land and ocean. These blemishes scallop the great wind into snakelike, horizontal waves whose southern lobes sometimes reach the tropics. On the western sides of the waves the wind aloft blows toward the southeast, carrying with it masses of cold northern air. On the eastern sides the wind blows toward the northeast, carrying tropical air into the temperate zone. When two such dissimilar air masses clash, they produce the familiar "cold front" or "warm front" that marches across oceans...
...wave-forms usually move from west to east in a stately procession. They drift fastest when the wind aloft is blowing hard and when the distance between the waves is comparatively short. When the waves are far apart and the wind is feeble, the waves may actually "retrogress," moving feebly toward the west...
This relationship gives the meteorologists a toehold. By measuring the speed of the wind aloft and the distances between the waves, they can predict with some accuracy how fast the waves will drift. They gather this information by means of sounding balloons that carry small radios. When such reports from all over North America are evaluated and combined with local data, the Weather Bureau predicts cautiously what sort of weather the waves aloft will bring to each part of the U.S. during 1) the next five days, and 2) the next 30 days...
...speed. But even with a stiff breeze whipping across the flight deck, attack bombers and jet fighters often need a large and cumbersome catapult to boost them up to flying speed. And on a hot, calm day, the thrust of this giant slingshot is barely enough to toss them aloft...
...enduring materials, and without gingerbread work, which shall still consist of only one room . . . ,a cavernous house . . . where some may live in the fireplace, some in the recess of a window, and some on settles, some at one end of the hall, some at another, and some aloft on rafters with the spiders, if they choose...