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European Heat Waves Double In Length Since 1880

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  • Pat Neuman
    Bern, Switzerland (SPX) Aug 06, 2007 The most accurate measures of European daily temperatures ever indicate that the length of heat waves on the continent has
    Message 1 of 1 , Aug 6, 2007
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      Bern, Switzerland (SPX) Aug 06, 2007
      The most accurate measures of European daily temperatures ever
      indicate that the length of heat waves on the continent has doubled
      and the frequency of extremely hot days has nearly tripled in the past
      century. The new data shows that many previous assessments of daily
      summer temperature change underestimated heat wave events in western
      Europe by approximately 30 percent. Paul Della-Marta and a team of
      researchers at the University of Bern in Switzerland compiled evidence
      from 54 high-quality recording locations from Sweden to Croatia and
      report that heat waves last an average of 3 days now-with some lasting
      up to 4.5 days-compared to an average of around 1.5 days in 1880.

      The results are published 3 August in the Journal of Geophysical
      Research-Atmospheres, a publication of the American Geophysical Union.
      The researchers suggest that their conclusions contribute to growing
      evidence that western Europe's climate has become more extreme and
      confirm a previously hypothesized increase in the variance of daily
      summer temperatures since the 19th century.

      ...

      http://www.terradaily.com/reports/European_Heat_Waves_Double_In_Length_Since_1880_999.html
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