Cyclones - George Clinton Smith (1883)

Popular Science Monthly Volume 23 October 1883 Cyclones and Tornadoes by George Clinton Smith "[...] All storms, of any magnitude, that visit the United States, except the tropical hurricanes which sometimes touch the southern coasts, have a common origin in or near the Rocky Mountains. Here the first barometric depression is felt, preceded by a rising temperature, caused by the warm winds moving northward over the sun-heated sands of Arizona, New Mexico, and Western Texas. These warm, rarefied currents of air are met by cooler currents passing over the snow-clad peaks of the north; a cyclonic storm is formed, usually small at first, which begins its journey eastward, gradually developing in energy and area as it goes. After leaving the mountain-ranges, there is but little precipitation for the first few hundred miles; as it advances, it usually widens from north to south, but the line of travel of the storm-center can be readily predicted by the Signal-Service observers, and its location at any time fixed by the lowest reported reading of the barometer. [...]" YOUTUBE CHANNELS COOKING WITH BENOIT :    / @cookingwithbenoit   TRAVEL J'ADORE :    / @traveljadore   WEB TRAVEL J'ADORE : https://www.traveljadore.com/