New and updated geographical regions in C3S seasonal forecast plots

With the release of June 2020 real-time forecast (at 12UTC on the 13th June) some changes have been introduced to the geographical regions available at C3S seasonal forecast graphical products (

All these changes have been introduced starting from June 2020, and previously produced plots haven't been affected by them.


  • A new area called "Pacific Islands" has been added to cover in detail that region of the world

  • The area called "South America" has been amended, so it accurately covers the whole South American sub-continent.

  • The area called "Tropics" has been amended to be centred over the International Date Line (meridian 180º)