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World Food Security in the Cross Hairs of Human-Caused Climate Change: Mangled Jet Stream, Ocean Heat and Melting Sea Ice To Deliver 500 Year Drought to California? Brazil, Turkey, Australia and More to Follow?

February 5, 2014

robertscribbler

California snow pack January 18 2013California snow pack January 18 2014

(California Snow Pack for January 18 2013 vs the California Snow Pack for January 18 2014. Note the near-zero snow cover for this drought-impacted region. Image source: NASA/Lance-Modis)

“We are on track for having the worst drought in 500 years.” — B. Lynn Ingram, professor of earth and planetary sciences at the University of California, Berkeley.

Remember the historic drought that swept the US in 2011-2013? It was the worse drought in 50 years for some areas. Thankfully, the blocking pattern, excess heat and evaporation that set off this drought and that almost ran the Mississippi River dry abated and lessened, shifting westward and, instead delivered wave after wave of wet and stormy weather to the Eastern US.

Not so with the American West. There the high amplitude Jet Stream pattern remained, keeping regions locked in warm, dry conditions throughout the winter of 2012-2013, on through the end of…

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