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core Limited Area Model ● Hourly updated ● 3 km grid spacing over North America ● 65 vertical layers ● Hybrid 3DEnVar assimilation (30 members) ● Includes Smoke & Dust ● Deterministic forecasts to at least 18h every hour ● Deterministic & Ensemble forecasts to 48+h every 6 hours NAM+Nests HiResWs

, the severity of the event overall cannot be compared in terms of duration; for example in December 2010 such freezing temperatures lasted for at least a week, while the severe winter of 1962-63 saw conditions such as this from late December though much of January and February. Further snow and low

periods. The graphs show that Tiree has more sunshine than Eskdalemuir in almost every month. Both places have least sun in December and most in May, due to the greater tendency for anticyclonic conditions in May o en with easterly winds. The highest known monthly sunshine total in the area is 329

Briefing note Improved seasonal forecast for Eastern Africa Adoption of Objective Forecasts expected to improve community resilience in the region A big change has taken place “back stage” in the way the IGAD Climate Prediction and Applications Centre (ICPAC) makes its seasonal forecasts since May

, seasonal predictability and forecasting) Calibrating, downscaling and tailoring of Global Producing Centre (GPC) seasonal forecasts for Prototype Climate Services (PCSs) Digitization and verification of past forecasts Prototype climate models for PCSs The training materials and presentations used during

Note that the most recent HadGEM model is the HadGEM3 HadGEM1 stands for the Hadley Centre Global Environment Model version 1. It was developed in 2006 and used in the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. The atmospheric component has 38 levels extending

WMO has designated Regional Specialised Meteorological Centres (RSMCs) who have responsibility for the issue of tropical cyclone warnings in their area and should be used as a first source of information.

WMO Severe Weather Information Centre Regional Specialised Meteorological Centres National Hurricane Center, Miami (Caribbean Sea, Gulf of Mexico, North Atlantic and eastern North Pacific oceans east of 140°W) Japan Meteorological Agency, Tokyo (Western North Pacific Ocean from Malay peninsula

, seasonal predictability and forecasting) Calibrating, downscaling and tailoring of Global Producing Centre (GPC) seasonal forecasts for Prototype Climate Services (PCSs) Digitization and verification of past forecasts Prototype climate models for PCSs The training materials and presentations used during

Areas of expertise Ocean modelling Sea ice modelling Climate model development and evaluation High resolution model development Publications by Helene Current activities Helene leads the Ocean Modelling group in the Met Office Hadley Centre. The ocean model used at the Met Office Hadley Centre

) project aiming to redesign aspects of current data assimilation capabilities to fully exploit future generations of supercomputer. Career Background Stefano joined the Met Office in December 2014. Between 2013 and 2014 he was a Research Scientist at the European Centre for Medium-Range Weather