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Medium emissions

Medium emissions scenario

The wider range is from the lowest to highest value for all emissions scenarios and three (10, 50, and 90%) probability levels for each 30-year time period.

  • Under medium emissions, the central estimate of increase in winter mean temperature is 1.2ºC; it is very unlikely to be less than 0.5ºC and is very unlikely to be more than 2ºC. A wider range of uncertainty is from 0.3ºC to 2ºC.

  • Under medium emissions, the central estimate of increase in summer mean temperature is 1.5ºC; it is very unlikely to be less than 0.6ºC and is very unlikely to be more than 2.5ºC. A wider range of uncertainty is from 0.6ºC to 2.5ºC.

  • Under medium emissions, the central estimate of increase in summer mean daily maximum temperature is 1.9ºC; it is very unlikely to be less than 0.4ºC and is very unlikely to be more than 3.5ºC. A wider range of uncertainty is from 0.4ºC to 3.5ºC.

  • Under medium emissions, the central estimate of increase in summer mean daily minimum temperature is 1.5ºC; it is very unlikely to be less than 0.5ºC and is very unlikely to be more than 2.6ºC. A wider range of uncertainty is from 0.5ºC to 2.6ºC.

  • Under medium emissions, the central estimate of change in annual mean precipitation is 0%; it is very unlikely to be less than –5% and is very unlikely to be more than 6%. A wider range of uncertainty is from –6% to 7%.

  • Under medium emissions, the central estimate of change in winter mean precipitation is 6%; it is very unlikely to be less than –1% and is very unlikely to be more than 14%. A wider range of uncertainty is from –4% to 14%.

  • Under medium emissions, the central estimate of change in summer mean precipitation is –8%; it is very unlikely to be less than –23% and is very unlikely to be more than 9%. A wider range of uncertainty is from –23% to 10%.

 

 

Map of the UK showing North West region