POSTPONED! Celsius Symposium – celebrating 300 years of weather statistics

The Celsius symposium 12 January is postponed until the summer of 2022!

Take part and learn more about Celsius’ contributions to climate research, how we use the weather data to develop climate models and listen to researchers and experts who discuss what we can expect of the climate in the future.


The Celsius symposium 12 January is postponed until the summer of 2022

For everyone´s safety and due to the current covid-19 restrictions the Celsius symposium will be postponed until the summer of 2022. More information will be provided shortly.

The latest information on the Celsius jubilee can be found at

Here we will post the new date for the symposium together with a new registration link.
Registered participants will receive an email with a new invitation to re-register.


13:00–13:10 – Welcome and opening words by moderator Erika Bjerström, Global Climate Correspondent at Sveriges Television (SVT), the Swedish public service television company.

13:10–13:15 – Introduction by Anders Hagfeldt, Vice-Chancellor of Uppsala University.

13:15–14:00 – Phil Jones, Professorial Fellow at the School of Environmental Sciences at the University of East Anglia: “Series with long temperature records in Europe, and global temperature averages since 1850”. 

14:00–14:30 – Martin Ekman, Associate Professor in Geophysics and author of the book “The Man behind ‘Degrees Celsius’: A Pioneer in Investigating the Earth and its Changes”.

14:30–15:00 – Break with coffee, tea and the Celsius pastry.

15:00–15:30 – Hans Bergström, senior researcher and expert on the Celsius temperature series: “300 years of weather observations in Uppsala”.

15:30–16:00 – Anna Rutgersson, Professor of Meteorology: “Current technology and observations for future forecasts”.

16:00–16:30 – What have we learned? What does the future hold? The future of weather and climate data and interpretations. Open discussion between invited researchers and experts with an opportunity to ask questions.

Participants in the panel discussion: 

Anna Rutgersson (Professor of Meteorology, Uppsala University), 
Anders Moberg (Associate Professor of Physical Geography, Climate Researcher, Stockholm University), 
Linus Magnusson (Senior Scientist, European Centre for Medium-Range Weather Forecasts), 
Erik Kjellström (Professor of Climatology, SMHI). 

The symposium will be held in English and will be live streamed and recorded.

After the symposium we will offer some light refreshments.

Register to participate online
Register here before 10 January 2022 if you want to attend online
A link to the symposium will be sent out in advance.

Register to attend in person
Register here no later than 20 December to attend in person. The number of seats is limited.


Weather photo contest

Do not miss our photo contest. Read more about the weather picture contest on