CLIMATE
"Their climate is significantly influenced by the Thentis Mountains and the absence of large bodies of water. Prevailing winds in the northern hemisphere of Gor are from the north and West. Accordingly a significant percentage of moisture-laden air borne by westerly winds is forced by the Thentis Mountains to cooler, less-heated air strata, where it precipitates, substantially on the eastern slopes of the mountains and the fringes of the Barrens. Similarly the absence of large bodies of water in the Barrens reduces rainfall which might be connected with large-scale evaporation and subsequent precipitation of this moisture over land areas, the moisture being carried inland on what are, in effect, sea breezes, flowing into low pressure areas caused by the warmer land surfaces, a given amount of radiant energy raising the temperature of soil or rock significantly more than it would raise the temperature of an equivalent extent of water.
The absence of large bodies of water adjacent to or within the Barrens also has another significant effect on their climate. It precludes the Barrens from experiencing the moderating effects of such bodies of water on atmospheric temperatures. Areas in the vicinity of large bodies of water, because of the differential heating ratios of land and water usually have warmer winters and cooler summers than areas, which are not so situated. The Barrens, accordingly, tend to be afflicted with great extremes of temperature, often experiencing bitterly cold winters and long, hot, dry summers. "
"Savages of Gor" page 64
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"Tornadoes and booming, crashing thunder can characterize the Barrens. In the winter there can be blizzards, probably the worst on Gor, in which snows can drift as high as the mast of the light galley. The summers can be characterized by a searing sun and seemingly interminable droughts. It is common for many of the shallow, meandering rivers of the area to run dry in the summer. Rapid temperature shifts are not unusual. A pond may unexpectedly freeze in En'Kara late in Se'Var, a foot or two of snow may be melted in a matter of hours. Sudden storms, too, are not unprecedented. Sometimes as much as twelve inches of rain, borne by a southern wind, can be deposited in less than an hour. To be sure, this rain usually runs off rapidly, cutting crevices and gullies in the land. A dry river bed may, in a matter of minutes, become a raging torrent. Hail storms, too, are not infrequent. Occasionally the chunks of ice are larger than the eggs of vulos. Many times such storms have destroyed flights of migrating birds."
"Savages of Gor" page 65
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From Gorean Campus