Met Office Global DatasetsΒΆ

The Met Office maintain many important, observation-based datasets that cover the whole world, not just the UK. Many distributed via https://www.metoffice.gov.uk/hadobs/.

https://www.metoffice.gov.uk/hadobs/hadcrut4/data/current/web_figures/anomalies.png

The HadCRUT4 global dataset (Source). Dataset coverage, and accuracy, depend on having observations.

The upper-air and sub-surface ocean datasets are out of scope here, the others fall mostly into two categories:

Maintaining and improving these datasets provides a strong justification for additional digitisation of ship observations, as well as support for international datasets development.