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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 Nov 2021

Climate System Monitoring

Updated: 15 Nov 2021

El Niño Monitoring

Updated: 10 Nov 2021

Monthly Discussion

Updated: 24 Nov 2021

Global Warming

Updated: 1 Dec 2021

Climate in Japan

Updated: 15 Nov 2021

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 September 2021

9 September 2021

    - JMA's New Climatological Normals for 1991-2020
    - JMA's Seasonal Ensemble Prediction System Upgrade Plan

18 June 2021

    - El Niño Outlook (June - December 2021)
    - JMA's Seasonal Numerical Ensemble Prediction for Boreal Summer 2021
    - Summary of the 2020/2021 Asian Winter Monsoon
    - TCC and WMC Tokyo co-contributions to Regional Climate Outlook Forums

14 May 2021

21 April 2021

15 March 2021

9 March 2021

    - The year 2020 tied with 2016 as the warmest since 1891
    - Highlights of the Global Climate in 2020
    - Summary of Japan's Climatic Characteristics for 2020
    - New Indian Ocean Dipole products
    - TCC and WMC Tokyo co-contributions to ASEANCOF-15
    - TCC Activity Report for 2020

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Tokyo Climate Center, Climate Prediction Division.
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