Within the last fifty years many attempts have been made to produce rain by artificial means, but all have resulted in failures. The unusually dry summer of 1934 in central United States, from North Dakota to Texas, produced a new group of rainmakers and rain-making experiments. The details of their plans differed somewhat, but all worked on the so-called "concussion theory" that the detonation of high explosives in the upper atmosphere would produce rain. In each case claims were supported by the commonly accepted statement that rain always followed battles, and that the unusually heavy rain in France along the western front during the World War was due to the heavy bombardment. These claims are interesting, and if true might provide some support for the belief that explosions in the upper atmosphere would produce rain, but the climatological data fail to bear out the statement.
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Foscue, Edwin J.
"Rainfall On The Western Front During The World War,"
Field and Laboratory: Vol. 3
Available at: https://scholar.smu.edu/fieldandlab/vol3/iss1/1