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SE-England & London:

The wind direction changed in winter 1939/40 because the nearby seas had been effected by naval war ?

Excerpt from book page 35:

       At this stage it might be worth noting the research made by Drummond for Kew Observatory (London) in the early 1940s, that of the prevailing wind directions in South-West England during 155 winters from1788 to 1942 only 21 had easterly resultants whereby the few winters 1814, 1841, and 1940 had resultants from NE to ENE, meaning northerly than East. Another little number of winters since 1841 (1845,1870,1879, 1891, 1895, 1904, 1929) had prevailing SSE to ESE. With the exception of the winters 1801 and 1804 all of these 21 winters with predominant easterly winds had a temperature below average (40,1F; 4,5C). While eleven of the above winters had means between 34F and 36F, only few westerly resultants had means lower than 37F, these being 1820, 1830, 1847, 1855 and 1886.

     In summary it can be established, that winter 1940 clearly played in the league of the Little Ice Age, being the only winter with wind from the NE quadrant since the end of the Cold Medieval Age Period. That had little to do with distant El Nio but a lot with the just started war at sea.

Chapter: 2_12

Book Page: 35c

File: 978-England_Wind

Image: 2010/www.seaclimate.com

 

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