Tree-ring data reveal how the jet stream has shaped extreme weather in Europe for centuries

Tree-ring data reveal how the jet stream has shaped extreme weather in Europe for centuries- During her summer travels to her native Belgium, University of Arizona professor Valerie Trouet noticed something that turned casual curiosity into a major scientific discovery: when the sun hid behind an overcast sky and people around her put on sweaters instead of summer clothes, the weather tended to be warm and dry in Italy, Greece and the Balkans, popular summer escapes for tourists from the cooler climates of central and northern Europe.

Source: phys.org