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. Performance measure: ≤ 2.85m/s for Wind and ≤ 0.56K for Temperature (based on 12-month mean values) Root Mean Square Vector Error 4.00 3.80 3.60 3.40 3.20 3.00 2.80 Northern Hemisphere T+24 Wind (m/s) at 250hPa Monthly Rolling 12-month mean Target Latest value: 2.95 m/s Root Mean Square Error 2.60 2012

operators. Performance measure: ≤ 2.85m/s for Wind and ≤ 0.56K for Temperature (based on 12-month mean values) Root Mean Square Vector Error 4.00 3.80 3.60 3.40 3.20 3.00 2.80 Northern Hemisphere T+24 Wind (m/s) at 250hPa Monthly Rolling 12-month mean Target Latest value: 2.94 m/s Root Mean Square

operators. Performance measure: ≤ 2.85m/s for Wind and ≤ 0.56K for Temperature (based on 12-month mean values) Root Mean Square Vector Error 4.00 3.80 3.60 3.40 3.20 3.00 2.80 Northern Hemisphere T+24 Wind (m/s) at 250hPa Monthly Rolling 12-month mean Target Latest value: 2.94 m/s Root Mean Square Error

operators. Performance measure: ≤ 2.85m/s for Wind and ≤ 0.56K for Temperature (based on 12-month mean values) Root Mean Square Vector Error 4.00 3.80 3.60 3.40 3.20 3.00 2.80 Northern Hemisphere T+24 Wind (m/s) at 250hPa Monthly Rolling 12-month mean Target Latest value: 2.92 m/s Root Mean Square

operators. Performance measure: ≤ 2.85m/s for Wind and ≤ 0.56K for Temperature (based on 12-month mean values) Root Mean Square Vector Error 4.00 3.80 3.60 3.40 3.20 3.00 2.80 Northern Hemisphere T+24 Wind (m/s) at 250hPa Monthly Rolling 12-month mean Target Latest value: 2.94 m/s Root Mean Square

Derived Projections of Future Climate over the UK, Met Office. https://www.metoffice.gov.uk/pub/data/weather/uk/ukcp18/science-reports/ukcp18-Derived- Projections-of-future-climate-over-the-uk.pdf Lowe JA, Bernie D, Bett PE, Bricheno L, Brown S, Calvert D, Clark RT, Eagle KE, Edwards T, Fosser G

and customer requirements, aimed at mitigating against disruptive weather events. Emma was promoted again in 2017, becoming Met Office NATS Operations manager. External recognition Emma obtained a Qualification and Credit Framework (QCF) Level 5 Diploma in Meteorological Forecasting in 2012. She also holds the World Meteorological Organization (WMO)’s Aeronautical Meteorological Forecasters (AMF) accreditation.

. The only factors affecting ET O are weather parameters i.e., temperature, wind speed, relative humidity and sunshine hours. The FAO Penman- Monteith equation is suggested as the single method for determining ET O . ET o 900 0.408��R n � G� � � U 2 ( e mm / day� � T � 273 � � � (1 � 0.34U ) � 2 s � e

McSweeney et al. (2015). Maps show monsoon circulation in 850 hPa flow for JJA for observations from ERA40 and a selection of CMIP5 models. Categories from the assessment are given in brackets for the CMIP5 models: IP – implausible, SB – significant biases, B – biases, S – satisfactory They find

Press, Cambridge, United Kingdom and New York, NY, USA. van Vuuren, D.P., Edmonds, J., Kainuma, M.L.T., Riahi, K., Thomson, A., Matsui, T., Hurtt, G., Lamarque, J.-F., Meinshausen, M., Smith, S., Grainer, C., Rose, S., Hibbard, K.A., Nakicenovic, N., Krey, V., Kram, T. 2011. Representative