Preprints
https://doi.org/10.5194/egusphere-2022-1140
https://doi.org/10.5194/egusphere-2022-1140
 
03 Nov 2022
03 Nov 2022
Status: this preprint is open for discussion and under review for Climate of the Past (CP).

250 years of daily weather: Temperature and precipitation fields for Switzerland since 1763

Noemi Imfeld1,2, Lucas Pfister1,2, Yuri Brugnara1,2, and Stefan Brönnimann1,2 Noemi Imfeld et al.
  • 1Oeschger Center for Climate Change Research, University of Bern, Switzerland
  • 2Institute of Geography, University of Bern, Switzerland

Abstract. Climate reconstructions give insights into monthly and seasonal climate variability of the past few hundred years. However, for understanding past extreme weather events and for relating them to impacts, for example to periods of extreme floods or to yield losses, reconstructions on a daily time scale are needed. Here, we present a data set of 250 years of daily temperature and precipitation fields for Switzerland from 1763 to 2020, which has been created using early instrumental data. The temperature reconstruction shows even for an early period before 1800 with scarce data availability good results, especially in the Swiss Plateau. For the precipitation reconstruction, skills are considerably lower, which can be related to the few precipitation measurements available and the heterogeneous nature of precipitation. By means of a case study on the wet and cold years from 1769 to 1772, which triggered wide-spread famine across Europe, we show that this dataset allows more detailed analyses than hitherto possible.

Noemi Imfeld et al.

Status: open (until 29 Dec 2022)

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  • RC1: 'Comment on egusphere-2022-1140', Anonymous Referee #1, 04 Dec 2022 reply

Noemi Imfeld et al.

Data sets

Daily high-resolution temperature and precipitation fields for Switzerland from 1763 to 2020 Imfeld, Noemi http://giub-torrent.unibe.ch/swiss_reconstruction/

Noemi Imfeld et al.

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Short summary
Climate reconstructions give insights into monthly and seasonal climate variability of the past few hundred years. However, for understanding past extreme weather events and for relating them to impacts, for example to periods of extreme floods, reconstructions on a daily time scale are needed. Here, we present a reconstruction of 250 years of high-resolution daily temperature and precipitation fields for Switzerland covering the period 1763 to 2020, which is based on instrumental measurements.