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JMA's Ensemble Prediction System (Products for Sub-Seasonal and Seasonal Prediction of WMC Tokyo)

JMA, as a WMO World Meteorological Centre (WMC), operates the ensemble prediction system of atmosphere-ocean coupled general circulation model (CGCM) for one-month, three-month and warm/cold season prediction. Ensemble prediction products, verification charts and specification of the ensemble prediction system are available on this page. JMA was designated as a WMC in 2017 and, as a part of its activities, the Centre conducts global numerical sub-seasonal prediction (Global Producing Centre for Sub-Seasonal Prediction; GPC-SSP) and global numerical seasonal prediction (Global Producing Centre for Seasonal Prediction; GPC-SP).

Notice

Main Products

One-month Prediction

Monthly Discussion on Seasonal Climate Outlooks


This product is intended to assist NMHSs in the Asia-Pacific region in interpreting WMC Tokyo's three-month prediction and warm/cold season prediction products.

Three-month Prediction

Forecast Products in Support of Early Warnings for Extreme Weather Events

Early warning products for extreme weather events covering the period up to two weeks ahead. (Only registered NMHSs can access this page.)

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    Warm/Cold Season Prediction

    Download Products for Sub-Seasonal and Seasonal Prediction of WMC Tokyo

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    Model Descriptions
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