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Climate of the Past An interactive open-access journal of the European Geosciences Union
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Volume 10, issue 2
Clim. Past, 10, 797–809, 2014
https://doi.org/10.5194/cp-10-797-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
Clim. Past, 10, 797–809, 2014
https://doi.org/10.5194/cp-10-797-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 24 Apr 2014

Research article | 24 Apr 2014

Ensemble meteorological reconstruction using circulation analogues of 1781–1785

P. Yiou1, M. Boichu2, R. Vautard1, M. Vrac1, S. Jourdain3, E. Garnier4, F. Fluteau5, and L. Menut2 P. Yiou et al.
  • 1Laboratoire des Sciences du Climat et de l'Environnement, CEA-CNRS-UVSQ & IPSL – UMR8212, CE Saclay l'Orme des Merisiers, 91191 Gif-sur-Yvette, France
  • 2Laboratoire de Météorologie Dynamique, UMR8539 X-ENS-UPMC & IPSL, Ecole Polytechnique, 91128 Palaiseau, France
  • 3DClim, Météo France, 42 Avenue G. Coriolis, 31057 Toulouse, France
  • 4Institut Universitaire de France and Centre de Recherche d'Histoire Quantitative, CNRS – UMR6583 Université de Caen, 14032 Caen, France
  • 5Institut de Physique du Globe, UMR7154, Sorbonne Paris Cité, 1 rue Jussieu, 75238 Paris, France

Abstract. This paper uses a method of atmospheric flow analogues to reconstruct an ensemble of atmospheric variables (namely sea-level pressure, surface temperature and wind speed) between 1781 and 1785. The properties of this ensemble are investigated and tested against observations of temperature. The goal of the paper is to assess whether the atmospheric circulation during the Laki volcanic eruption (in 1783) and the subsequent winter were similar to the conditions that prevailed in the winter 2009/2010 and during spring 2010. We find that the 3 months following the Laki eruption in June 1783 barely had analogues in 2010. The cold winter of 1783/1784 yielded circulation analogues in 2009/2010. The reconstructed surface temperature over land bears significant correlations with local observations, although the amplitude of the reconstruction is weaker.

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