California Drought/Polar Vortex Jet Stream Pattern Linked to Global Warming
Posted: 2:56 PM EDT on April 16, 2014
From November 2013 - January 2014, a remarkably extreme jet stream pattern set up over North America, bringing the infamous "Polar Vortex" of cold air to the Midwest and Eastern U.S., and a "Ridiculously Resilient Ridge" of high pressure over California, which brought the worst winter drought conditions ever recorded to that state. A new study by Utah State scientist S.-Y. Simon Wang found that this jet stream pattern was the most extreme on record, and likely could not have grown so extreme without the influence of human-caused global warming.
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Oklahoma experienced damaging weather on this date in 1990. Along with strong winds, large baseball size hail fell near Carney, OK. Unfortunately, many near deadline tax returns were blown away from a mail cart by reported wind gusts of 100 mph in Oklahoma City.
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