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by at least 10 degrees. Rainfall totals for the period since early March had been one-third of average resulting in dry soil and vegetation. Indeed, from 7 July to 13 August in some southern districts only 1 or 2 mm of rainfall was recorded, while in parts of Sussex, Kent and Essex there was no measurable

Office models: • 4x GloSea6 forecast members per day => 540 years of simulation per year • 28x 24-year hindcast members per month => 4600 years of simulation per year • GloSea6 phase 2 upgrade in 2025/6: • Roughly an increase of factor 3 or 4 => ~15,000 years of simulation each year • DePreSys • 10x

High-impact lowlikelihood climate scenarios for the UK Summary N.W. Arnell 1 , E. Hawkins 2 , T.G. Shepherd 1 , I.D. Haigh 3 , B. Harvey 2 , L. Wilcox 2 , L. Shaffrey 2 & A.G. Turner 1,2 1 Department of Meteorology, University of Reading 2 National Centre for Atmospheric Sciences, University

1 SESAR Harmonised Turbulence Polygon Features Guidance FitzRoy Road, Exeter, Devon, EX1 3PB United Kingdom [email protected] www.metoffice.gov.uk Updated 02.07.21 2 Contents Contents

Weather and Climate Information Services for Africa (WISER) – East Africa Phase 2 Summary September 2017 [This page is left intentionally blank] WISER East Africa : Phase 2 Summary CONTENTS Page EXECUTIVE SUMMARY 1. INTRODUCTION AND REQUIREMENT FOR FORWARD PLAN 6 2. BACKGROUND 6 3. WISER PRINCIPLES

provided data from the beginning of March 2011. Problems with the GC-ECD at Angus from the beginning of the project contract have meant N 2 O data for the whole of 2011 is unusable in calculating emission estimates using the inversion methodology InTEM (discussed in detail in the main report). Table 1

it was printed. Revision History Date of this revision: 27 th May 2016 Date of Next revision: 1 st June 2017 Revision date 27 May 2016 First issue Summary of Changes Distribution This document has been distributed to Name Title Date of Issue Version Page 2 Product Description High resolution global data

Met Office September 2018 Arctic Sea Ice Outlook June Report (Using May Data) K.A. Peterson ∗ , C. MacLachlan, E.W. Blockley, and A.A. Scaife Met Office Hadley Centre, FitzRoy Road, Exeter, EX1 3PB, UK June 11, 2018 1. Projection Type: Model based estimate. 2. September Monthly Averaged Extent

Training on Seasonal Prediction to Operational Services in South Asia Workshop report and feedback 22 ND FEBRUARY TO 11 TH MARCH 2021 - ONLINE REMOTE TRAINING Asia Regional Resilience to a Changing Climate (ARRCC) Work Package 2: Strengthening Climate Information Partnerships – South Asia (SCIPSA

and decades. For carbon dioxide (which is a long-lived greenhouse gas) almost any future emissions will lead to further increases in atmospheric concentration. Zero future emissions will lead to a slow decrease in CO 2 concentrations, although as we see below this may not be enough to reduce