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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: 30 Nov 2022

Climate System Monitoring

Updated: 15 Nov 2022

El Niño Monitoring

Updated: 10 Nov 2022

Monthly Discussion

Updated: 22 Nov 2022

Global Warming

Updated: 1 Dec 2022

Climate in Japan

Updated: 15 Nov 2022

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.
iTacs is currently under maintenance.

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

15 November 2022

14 September 2022

    - Update of Weekly Report on Global Climate Extreme Events
    - Climate characteristics and factors behind record-high temperatures in late June/early July 2022 and subsequent weather conditions

29 June 2022

15 June 2022

    - El Niño Outlook (June - December 2022)
    - JMA's Seasonal Numerical Ensemble Prediction for Boreal Summer 2022
    - Summary of the 2021/2022 Asian Winter Monsoon
    - TCC and WMC Tokyo co-contributions to Regional Climate Outlook Forums

16 May 2022

29 March 2022

28 March 2022

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Tokyo Climate Center, Climate Prediction Division.
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