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Guidance and Science Reports

List of supporting documents to guide you through the UKCP18 projections as well as science reports that underpin them.

Demonstration Projects

A set of six project leaflets demonstrate how different sectors may use the new set of UK climate projections, UKCP18. They were led by sector specialists and were written for their sector, describing how existing methods/risk assessments can still be used and where new methods need to be developed to exploit the opportunities that the UKCP18 dataset brings.

Data availability, access and formats [1.5MB]

Find out which datasets are available through the UKCP User Interface and CEDA Data Catalogue, how you can access them and their formats.


These brief documents provide a summary of the key characteristics and results available from the climate projections and observations for each of the main variables: Temperature, Precipitation, Pressure, Wind and Sea level & storm surge.

How to interpret UKCP18 data

Guidance to users on how to make the best use of the different plots that have been used to display the UKCP18 data in the science reports and through the user interface

How to Bias Correct UKCP18 data [809KB]

The choice of whether to bias correct data and the method chosen can be very specific to the user application.  For this reason, UKCP18 projections are presented without additional bias correction.  This guide helps users to make informed choice about bias correction.

How to use the different sets of Land Projections [1.8MB]

There are three sets of projetions available over UK land: probabilistic, global and regional.  This guidance document helps users to consider how to choose the set of projections that meets their needs.

What are RCPs? (259kb)

A guide to Representative Concentration Pathways and how the relate to UKCP18 climate projections.

Science Overview [19MB]

Provides the highlights from each of the components of UKCP18 including observations, projections over land and the marine projections.

Science Reports

Four science reports are available that provide headline messages, descriptions of the methods used, an evaluation of the underlying models as well as the future projections. They include the Land Projections Report [59MB], Marine Projections Report [18MB], Derived Projections Report [11MB], State of the UK Climate Report














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