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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: 14 September 2018

Climate System Monitoring

Updated 14 September 2018

El Niño Monitoring

Updated: 10 September 2018

Monthly Discussion

Updated: 24 August 2018

Global Warming

Updated: 14 September 2018

Climate in Japan

Updated: 10 September 2018


Alert Terminated: 16 March 2018

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.

GPC Tokyo

Products of long-range forecast from Global Producing Center (GPC) 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 GPC 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

30 August 2018 new

    - Upgrade of JMA's Supercomputer System
    - Primary Factors behind the Heavy Rain Event of July 2018 and the Subsequent Heatwave in Japan from Mid-July Onward
    - Sea Ice in the Sea of Okhotsk in the 2017/2018 Winter Season
    - Kosa (Aeolian dust) Events over Japan in January-June 2018
    - TCC Experts Visit the Philippines

22 August 2018 new

1 June 2018

    - El Niño Outlook (May – November 2018)
    - JMA's Seasonal Numerical Ensemble Prediction for Boreal Summer 2018
    - Warm Season Outlook for Summer 2018 in Japan
    - Summary of the 2017/2018 Asian Winter Monsoon
    - Characteristics of climate conditions in Japan in winter 2017/2018
    - World climate monitoring webpage revamp
    - TCC contributions to Regional Climate Outlook Forums in Asia

17 May 2018

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