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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: 31 May 2023

Climate System Monitoring

Updated: 16 May 2023

El Niño Monitoring

Updated: 12 May 2023

Monthly Discussion

Updated: 23 May 2023

Global Warming

Updated: 01 June 2023

Climate in Japan

Updated: 16 May 2023

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

30 May 2023

    - At the same time, the sea surface temperature dataset was changed from COBE-SST to COBE-SST2 and MGDSST (based on different analysis methods) as well as the oceanic dataset was changed from MOVE-G2 to MOVE-G3.

15 March 2023

8 March 2023

    - 2022 global surface temperature 6th highest since 1891
    - Highlights of the Global Climate in 2022
    - Summary of Japan's climatic characteristics for 2022
    - TCC Training Seminar on Global Warming Projection Information
    - Visit to TCC by staff from the Meteorological, Climatological and Geophysical Agency of Indonesia (BMKG)
    - TCC Experts Visit to the Philippines
    - TCC Activity Report for 2022

22 December 2022

14 December 2022

    - El Niño Outlook (November 2022 - May 2023)
    - JMA's Seasonal Numerical Ensemble Prediction for Boreal Winter 2022/2023
    - Summary of the 2022 Asian Summer Monsoon
    - Status of the Antarctic Ozone Hole in 2022
    - Status of the Arctic Sea Ice in 2022
    - TCC and WMC Tokyo co-contributions to Regional Climate Outlook Forums
    - TCC contributions to the Report on the States of the Climate in Asia 2021

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

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Tokyo Climate Center, Climate Prediction Division.
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