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World Climate
Climate System Monitoring
El Niño Monitoring
NWP Model Prediction
Global Warming
Climate in Japan
Training Module
Press release

What are WMO RCCs

RCC Functions

Latest Updates

World Climate

Updated: 15 June 2020

Climate System Monitoring

Updated: 16 June 2020

El Niño Monitoring

Updated: 10 June 2020

Monthly Discussion

Updated: 25 June 2020

Global Warming

Updated: 15 June 2020

Climate in Japan

Updated: 10 June 2020

Stratospheric circulation

Main Products


iTacs, Interactive Tool for Analysis of the Climate System, is a web-based application to assist NMHSs to analyses extreme climate events and to monitor climate status.

WMC Tokyo

Products of long-range forecast from World Meteorological Centre (WMC) Tokyo are available. These products are based on JMA's ensemble prediction system.

Monthly Discussion on Seasonal Climate Outlook

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

El Niño Monitoring

"El Niño Outlook" consists of a diagnosis of current condition and prediction of El Niño/Southern Oscillation. This is issued every month around 10th.


The ClimatView tool enables viewing and downloading of monthly world climate data, including monthly temperature/precipitation statistics and 30-year climate normals.

TCC News

TCC News, a quarterly newsletter from Tokyo Climate Center, acquaints with significant climate disasters and events, forecaster's commentaries on seasonal outlooks, besides topics on the renewal and the usage of TCC products.

What's New                     RSS

24 June 2020 new

    - Upgrade of the Global Ensemble Prediction System for One-month Prediction
    - Release of Global Gridded Datasets for 6-month Forecasts
    - El Niño Outlook (June - December 2020)
    - JMA's Seasonal Numerical Ensemble Prediction for Boreal Summer 2020
    - Summary of the 2019/2020 Asian Winter Monsoon
    - Climate Characteristics of Japan's Warmest-ever Winter
    - TCC contributions to Regional Climate Outlook Forums in Asia

1 May 2020

16 April 2020

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Tokyo Climate Center, Climate Prediction Division, 1-3-4 Otemachi, Chiyoda-ku, Tokyo, Japan.
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