The LRC is a peer reviewed weather prediction method that has been developing and evolving over the past 80 years. In the 1940s, Jerome Namais published many concepts an potential cycling patterns. In one of his publications on the “The index cycle and its role in the general circulation”,

https://journals.ametsoc.org/view/journals/atsc/7/2/1520-0469_1950_007_0130_ticair_2_0_co_2.xml

Namais discusses how there is enough information by the mid-fall months, November, to make accurate predictions of what will happen the next winter. He also discusses anchor troughs and ridges that become established in the fall and that an index cycle lasts up to weeks at a time.

Namais was…

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