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© Crown copyright Met Office NI IHEEM May 2014 Climate Change Alex Hill, Chief Advisor’s Office Alex.hill@metoffice.gov.uk
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© Crown copyright Met Office From the Global to the Local Global AR5 & IPCC Attribution Local Understanding Means & Extremes Examples
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© Crown copyright Met Office From the Global to the Local www.emeraldinsight.com
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Global WG2 AR5 Risk
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© Crown copyright Met Office Global WG2 AR5
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Representative Concentration Pathways If global emissions peak within next few years then decline Ongoing increases in global greenhouse gas emissions Emissions cuts make little difference for next few decades
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Key risks Global WG2 AR5
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AR5 Major Crops © Crown copyright Met Office
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Health impacts Up to 2050’s Exacerbation VH Confidence © Crown copyright Met Office Towards 2100 - Increase in ill-health especially in developing regions high confidence.
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© Crown copyright Met Office 2ºC rise Links & Consequences 2 deg map to go here Current City population 3-10 million 10-20 million Change in temperature from pre-industrial climate 0 1 2 3 4 5 6 7 8 9 Some risk of melting ice Ocean Acidification Forest fire Reduced crops Forest fire Some increased crops More heatwaves
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© Crown copyright Met Office 4ºC rise Links & Consequences Change in temperature from pre-industrial climate 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Current City population 3-10 million 10-20 million Melting ice Ocean Acidification Rainforest loss Reduced crops Forest fire Increased drought Stronger tropical storms Methane release More heatwaves
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© Crown copyright Met Office Understanding the local
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© Crown copyright Met Office (Defra project code GA0204) A climate change risk assessment for Northern Ireland January 2012 Contractors: HR Wallingford AMEC Environment & Infrastructure UK Ltd The Met Office Collingwood Environmental Planning Alexander Ballard Ltd Paul Watkiss Associates Metroeconomica
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© Crown copyright Met Office IMPACT Effect Summer Temperatures Winter Temperatures Winter Rainfall Summer Rainfall Sea Level Impact bio-physical systems Terrestrial environment Coastal and marine environments Risk assessment Natural environment Agriculture and forestry Business Buildings and infrastructure Health and wellbeing
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© Crown copyright Met Office UKCP09 Three different emission scenarios Seven different timeframes 25km grid, 16 admin regions, 23 river-basins and 9 marine regions
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© Crown copyright Met Office Slide by Erika Palin Increase in probability of extremes in a warmer climate Temperature now Probability of occurrence Hot temperature extremes Cold temperature extremes (After IPCC 2007 & Karl et al. 2008) Temperature in future Fewer cold extremes More hot extremes More record hot extremes Cold threshold AverageHot threshold New average
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© Crown copyright Met Office Warmest day
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© Crown copyright Met Office Perspective - The Future © Crown copyright Met Office observations Met Office Projections 2040s 2060s Europe Temp anomaly (wrt 1961-90) °C 2003 2 deg c Ave
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© Crown copyright Met Office Heatwaves © Crown copyright Met Office 2000 extra deaths in the UK Peaks in death rate coincides with peaks in temperatures Average daily deaths Daily deaths 2003 Maximum temperature (London)
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© Crown copyright Met Office Adapting now, mitigating for the future? Adaptation Mitigation IPCC 2 0 C CRC
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© Crown copyright Met Office Some Output Winter Rain 2040s
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© Crown copyright Met Office Some Output Winter Rain 2080s
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© Crown copyright Met Office Sea Level Rise
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© Crown copyright Met Office Adapt now, mitigate for the future Impact bio-physical systems Terrestrial environment Coastal and marine environments Risk assessment Natural environment Agriculture and forestry Business Buildings and infrastructure Health and wellbeing
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© Crown copyright Met Office
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