An easy way to explain anthropogenic rain making

Posted: 13 November 2017  – Source-Chapter C4

Immediately after WWII had begun, a rain zone center established itself along the war front between France and The weather situation from Amsterdam to Zurich during WWIIGermany, which was maintained during the months of September, October and November 1939. Across north-western Europe thousand naval vessels War activities in the autumn of 1939plowed through the sea day and night. Many thousand sea mines were laid every day. Uncountable exploded instantly. In early October 1939 161’000 troops, 24’000 vehicles an 140.000 tons of supplies had transferred by sea from the UK to France. Thousands of air planes were up in the air on training or military mission. Impossible that all the various human activities did not influenced the course of weather substantially, as is evident by the excessive rain in Western Europe over the first three month at war.   

With the start of the Second World War, rainfall rose exceptionally from Wales to Torpedoed merchant shipAustria. Many stations saw double digit numbers above the statistical averages, which increased up to 360% in October and November at several locations.  The region became so much soaked with rain that in November 1939 Adolf Hitler gave up his plan (known as: “Deployment Instruction No. 1, Case Yellow”) to invade the Benelux countries and France before the end of the year. It is unbelievable that the climate community is unable and unwilling to interpret and explain these relationships. After all, it is about understanding man-made climate change. 

  Color added to map during WW Two factors could have contributed to generate the excess amount of rain. There is, on one hand, the land and air warfare, which produced large quantities of nuclides since September 1939 that could have very well been suited as condensation nuclei for the formation of raindrops. On the other hand, the naval warfare in all sea areas from the Biscay to the North Cape and the Baltic may have increased the evaporation process at sea. In autumn, these activities work like stirring the spoon in a hot coffee pot. The sea surface layer is turned over more often than usually. The warmer the surface layer, the more vapor and heat can be dissipated into the air. From September, the air above the sea surface at these latitudes is usually colder than the water. The agitation of the water by naval activities increased the evaporation rate on one hand, but on the other hand cooled down the water body more quickly. 

[Fig. left: One week naval war in October.          Fig. middle: Sea mines.             Fig. right: British submarine hunted]
Newspaper article related to the weather conditions during WW Map during WW Article about the British during WW

A place where this could have happened was the Western Front between France and Germany after the outbreak of The New York Times presents Nazis attack with 100000 on West FrontWWII, where more than 2 million soldiers had been put into position along the war London reports from October and November 1939front in autumn 1939. Although, neither big battles nor “shoot outs” occurred along the huge defence system along the river Rhine up to the Belgian border, everything was done to improve defence capabilities and to train and prepare two million soldiers for the worst. Therefore both fronts were busy day and night with transportation, construction, surveys, training and military encounters. The first substantial clash saw 700 French tanks and planes moving seven miles over the Saarland border, while 300 airplanes attacked German positions in the city of Aachen’s industrial region and munitions area, some 125 miles further north, (NYT, Sept. 07, 1939) encounters that occurred frequently since then over the next months.

Many thousand more military events offer climatology a wide field for demonstrating how quick and easy man interfered with the war weather in autumn 1939, and the war contributed to climate change.   

   The post is based on material from Chapter C4  at:

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