1975 : Global Cooling Causes Extreme Weather
Posted: January 4, 2014 Filed under: Uncategorized Leave a comment
In 1975, before the consensus had received their mandatory James Hansen lobotomy – climate scientists understood that global cooling causes extreme weather, and global warming causes mild weather.
The principal weather change likely to accompany the cooling trend is increased variability-alternating extremes of temperature and precipitation in any given area-which would almost certainly lower average crop yields. The cause of this increased variability can best be seen by examining upper atmosphere wind patterns that accompany cooler climate. During warm periods a “zonal circulation” predominates, in which the prevailing westerly winds of the temperate zones are swept over long distances by a few powerful high and low pressure centers. The result is a more evenly distributed pattern of weather, varying relatively little from month to month or season to season.During cooler climatic periods, however, the high-altitude winds are broken up into irregular cells by weaker and more plentiful pressure centers, causing formation…
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