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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: 2.95 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: 2.93 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

. This time though, the heat was more concentrated on the very far south and east of England.    This map shows the places to reach heatwave criteria from 27-30 June 2025. Met Office Climate Scientist, Dr Amy Doherty, said: "While we’ve not conducted formal climate attribution studies into June 2025’s

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

, D, McCarthy, MP, Kendon, M, Legg, T, Simpson, I. HadUK-Grid—A new UK dataset of gridded climate observations. Geosci Data J. 2019; 6: 151– 159. https://doi.org/10.1002/gdj3.78 Kendon, M., McCarthy, M., Jevrejeva, S., Matthews, A., Williams, J., Sparks, T., & West, F. (2023). State of the UK Climate

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