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of November and giving over a fortnight of relatively static, mild and impact-free conditions. The anticyclonic block was finally broken mid-month as the high centre retrogressed to the central N Atlantic. This allowed the first southwards incursion of Arctic air into the UK, leading to snow and ice

July 2019 Met Office Hadley Centre Climate Briefing Note Links between emissions pathways and time lags in Earth’s climate system Authors: Jason Lowe, Chris Jones, Rob Chadwick, Dan Bernie, Matt Palmer, Peter Good, Ailsa Barrow, Dan Williams Headline messages ‣ Lags of varying timescales exist

Centre (24 hrs): [email protected] Tel: 0370 900 0100 Fax: 0370 900 5050 From outside the UK: Tel: +44 1392 885 680 Fax: +44 1392 885 681 www.metoffice.gov.uk Keep your eye out for the new Met Office Science Twitter feed: @MetOffice_Sci Download the FREE Met Office weather app /metoffice

and coordination, and a range of technical assistance. The Met Office is a global centre of excellence in weather and climate science, and the United Kingdom's national weather service. The Met Office is a trusted and long-term partner of the UK Government, development agencies, developing country

. What has changed is that users now have no problem with the concept of probabilistic scenarios and relative probability. Most of you have been using this sort of data in some way for at least five years. The questions we get asked are sophisticated and users are more aware of what they want, and why

EXPLAINING EXTREME EVENTS OF 2011 FROM A CLIMATE PERSPECTIVE Thomas C. Peterson, Peter A. Stott and Stephanie Herring, Editors Using a variety of methodologies, six extreme events of the previous year are explained from a climate perspective. INTRODUCTION Peter A. Stott—Met Office Hadley Centre

of low energy ion particle population with at least one complete set of measurements every 5 minutes. Data available for use in operations within 5 minutes after completion of the measurement • Necessary housekeeping data sent in real time • > 10 year mission L5 Consortium Meeting, London 11th - 14th

of the Requirement but at least one of the elements is not adequately addressed or adequately evidenced; or • the response gives rise to one or more concerns in relation to the quality of the response and/or the Bidder’s ability successfully to deliver the Requirement; or • the response gives greater

of monthly-mean rainfall due to external forcings is very high compared to ENSO-ISMR •High (low) COV and ExtVAR for AI, CI, NWI in Jun/Sep (Jul/Aug) •SI has least monthly variation in both COV and ExtVAR Correlations: Regional Rainfall with Climate Index •Effect of regional teleconnections on ISMR (mean CI

conditions can be particularly at risk.  “If you have a pre-existing medical condition, you should heat your home to a temperature that is comfortable for you. In rooms you mostly use such as the living room or bedroom, try to heat them to at least 18°C if you can. Keep your bedroom windows closed