First, the jet stream caused a cold snap by bringing Arctic air farther south than normal, but when it shifted north, it allowed tornado-causing moist air to move into the Midwest This article: Jet Stream Causing Tornado Outbreak ; ;Related ArticlesCrews Search for Survivors in Oklahoma After TornadoKids (and Teachers) in Peril, From Oklahoma to OregonOklahoma Tornado: Is Climate Change to Blame? ;
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