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Inaugural Lecture:Prof Edward Hanna

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University of Lincoln, Stephen Langton Theatre

Brayford Campus

Lincoln

LN6 7TS

United Kingdom

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Registration from 5.30pm, Lecture begins a 6pm.

Climate change and extreme weather from the UK to Greenland: some thoughts and surprises

Recently there has been a significant increase in some types of extreme weather over the UK and other northern mid-latitudes: for example winters 2013/14 and 2015/16 in the UK were exceptionally mild, wet and stormy, while large parts of winters 2009-10 and 2010-11 were unusually cold and had record deep snows. Snowmaggedon hit the eastern seaboard of the USA in the last few winters. Meanwhile several recent summers, most notably 2007 and 2012, experienced record UK rainfall and widespread flooding, while summer 2018 had a near-record drought and heatwave. These extreme events are closely related to recently-observed shifts in the eastward-moving atmospheric jet stream over the North Atlantic, where the jet has at times become slower moving with more north-south meanders exchanging air masses between mid- and high-latitudes. For example warm air moving much further north than normal over west Greenland in summer 2012 caused a record surface melt and mass loss of the Greenland Ice Sheet. These changes may partly be driven by the major reduction in Arctic sea-ice cover and amplified warming that has occurred in high northern latitudes over the 10-20 years. Global warming is not a uniform process - as is seen through recent erratic temperature rises in the UK, Iceland and Greenland - and is prone to spring surprises through some subtle but high-impact changes in mid-latitude extreme weather.

Edward Hanna

Edward received a BSc in Planetary Science from University College London in 1995 and completed a PhD in Satellite Remote Sensing of Antarctic Sea Ice and Climatic Couplings at the University of Bristol in 1998. This was followed by a period of postdoctoral research in the Department of Meteorology, University of Reading between 1998 and 2000 before being appointed as Lecturer in Meteorology at the Institute of Marine Studies, University of Plymouth in 2000. In 2003 Edward was appointed as Lecturer in Climate Change at the Department of Geography, University of Sheffield and was awarded a personal chair in 2013. In January 2017 he moved to the University of Lincoln where he is Professor in Climate Science and Meteorology in the recently-established and rapidly-growing School of Geography. He was a Contributing Author of the Intergovernmental Panel on Climate Change’s Fifth Assessment Report, is a regular contributor to Arctic Report Cards of the US National Oceanographic & Atmospheric Administration, and in May 2018 was awarded the International Journal of Climatology Editor’s Award of the Royal Meteorological Society.

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University of Lincoln, Stephen Langton Theatre

Brayford Campus

Lincoln

LN6 7TS

United Kingdom

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