IRI Probablistic Seasonal Climate Forecast Product

Provides global probabilistic seasonal climate outlooks for temperature and precipitation to support climate-informed decision-making and seasonal forecasting.

Developer: International Research Institute for Climate and Society
Stage Of Maturity: Mature

Strengths

  • Long-established operational seasonal forecast product
  • Widely used by NMHSs
  • Clear probabilistic visualization
  • Strong scientific foundation

Weaknesses

  • Global resolution
  • Requires localization
  • Limited sector-specific information

Synergies

  • Provides seasonal forecast guidance that complements APCC MME and NMME.
  • Supports operational forecast production using PyCPT, CPT, and XCAST.
  • Provides inputs for forecast customization through FOCUS.
  • Supports downstream climate service platforms including CST.