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Met Office weather: Warm sunshine for many, rain in the north

, but it is going to be weakening as it does so. So increasingly, that rain will be fairly light and patchy. There'll be some sunny spells developing up towards the north and west, with a scattering of showers and quite prolonged sunshine still holding on down towards the south and east. “It's here where

Relative operating characteristic (ROC)

yellow, orange and red respectively - and indicate regions with relatively good seasonal prediction skill. Regions with ROC score between 0.6 and 0.7 show skill at lower levels but still better than guessing or use of climatology. Grey or light blue shading is used when scores are below 0.6 (i.e. near or below to the 0.5 'no-skill' threshold, suggesting forecasts in these regions are currently little better than guesswork).

paper3_implications_for_projections.pdf

previously. This paper is the third in a series of three reports from the Met Office Hadley Centre that address the recent pause in global warming and seek to answer the following questions. What have been the recent trends in other indicators of climate over this period; what are the potential drivers

CFC-11

these features. 5.1.1 Method 1 (RA) This is the most basic method and is a simple 12-month running average. At each hour in the time-series calculate the 1-year average of the baseline mass mixing ratios centred on this hour (y mc ). This is the longterm trend component, subtracting this from the actual

Layout 1

expected throughout the period. This is done using a dynamical seasonal prediction computer model of the global atmosphere-ocean system developed in the Met Office’s climate research division, the Hadley Centre. The seasonal prediction model is based on a Met Office Hadley Centre climate model

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