How It Got So Hot … Hot It Got So Humid … How Cooling May Have Played A Role

By | July 26, 2011

For the Full Report in PDF Form, please click here.

The southern plains drought, followed the second strongest La Niña (behind only 1917/18) according to the Southern Oscillation Index (SOI), an atmospheric pressure based measure (standardized Darwin, Australia versus Tahiti surface pressure). Positive values are La Niña, negative El Niños. The April to April SOI showed the 1917/18 peak and 2010/11 close behind.

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