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Exceptional European warmth of autumn 2006 and winter 2007: Historical context, the underlying dynamics, and its phenological impacts
National Centre of Competence in Research on Climate (NCCR) and Institute of Geography, University of Bern, Bern, Switzerland
Climate Services, Federal Office of Meteorology and Climatology (MeteoSwiss), Zurich, Switzerland
Chair of Ecoclimatology, Technical University Munich, Freising, Germany
Chair of Ecoclimatology, Technical University Munich, Freising, Germany
Climate Services, Federal Office of Meteorology and Climatology (MeteoSwiss), Zurich, Switzerland
National Centre of Competence in Research on Climate (NCCR) and Institute of History, University of Bern, Bern, Switzerland
National Centre of Competence in Research on Climate (NCCR) and Institute of Geography, University of Bern, Bern, Switzerland
National Centre of Competence in Research on Climate (NCCR) and Institute of Geography, University of Bern, Bern, Switzerland
Updated European averaged autumn and winter surface air temperature (SAT) timeseries indicate that the autumn 2006 and winter 2007 were extremely likely (>95%) the warmest for more than 500 years. In both seasons, the European SAT anomaly is widespread with anomalies up to three standard deviations from normal. The anomalous warmth is associated with strong anticyclonic conditions and warm air advection from south west. Phenological impacts related to this warmth included some plant species having a partial second flowering or extended flowering till the beginning of winter. Species that typically flower in early spring were found to have a distinct earlier flowering after winter 2007.
Received 9 March 2007; accepted 15 May 2007; published 19 June 2007.
Citation: (2007), Exceptional European warmth of autumn 2006 and winter 2007: Historical context, the underlying dynamics, and its phenological impacts, Geophys. Res. Lett., 34, L12704, doi:10.1029/2007GL029951.
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