Word: air
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Dates: during 1940-1949
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Theatre U.S.A. (Thurs. 8:30 p.m., ABC). Broadway variety show presented in cooperation with the Army and Air Force recruiting services, and American National Theatre and Academy...
...everyone to remember that it saw just such a winter shaping up as early as November, says that the same basic condition caused both the western cold and the eastern warmth. The villain, says William H. Klein of the bureau's Extended Forecast Section, was an "excess of [air] mass" in the subpolar regions of the Western Hemisphere and a "deficit of mass" in the subtropics. This unbalanced condition, favoring the southward movement of cold air, upset the whole air circulation...
Weak Westerlies. The mid-latitude westerlies, which normally blow across the country toward New England, were comparatively feeble this year. Their weakness allowed cold air to sweep down unchecked from Canada, keeping warm winds away from the western states and bringing them abnormally cold and stormy weather...
...failure of the westerlies had the opposite effect in the east. A high-pressure area (the Bermuda High) was unusually strong and hung persistently off the coast. The wind circulating clockwise around it brought warm, moist air from over the Gulf Stream. Unchecked by the westerlies, it penetrated far into the interior, keeping the western cold away and giving the eastern U.S. a balmy "maritime" winter...
...great telescope through its paces. He knew already that the giant mirror and the intricate mechanism supporting it were good enough for nights when the "seeing" is only ordinary. On such nights the perfection of a telescope's performance is limited by irregularities in the air. Hubble wanted to try the great telescope on one of the rare nights (about 15 a year) when the stars hardly twinkle at all, and astronomers rejoice...