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What are WMO RCCs

RCC Functions

Latest Updates

World Climate

Updated: 15 Apr 2025

Climate System Monitoring

Updated: 15 Apr 2025

El Niño Monitoring

Updated: 12 May 2025

Monthly Discussion

Updated: 22 Apr 2025

Global Warming

Updated: 1 May 2025

Climate in Japan

Updated: 17 Feb 2025

Stratospheric circulation

Main Products

iTacs

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.

ClimatView

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.

Seasonal Tropical Cyclone Forecasts (for registered NMHSs)

This product is intended to assist NMHSs in the Asia-Pacific region. Only registered NMHSs can access this product.

What's New   

» Press release  

11 March 2025

    - Global temperature for 2024 was the highest since 1891
    - Highlights of the Global Climate in 2024
    - Summary of Japan's climatic characteristics for 2024
    - TCC Training Seminar on ENSO/IOD and Regional Impact
    - TCC Activity Report for 2024
    - TCC and WMC Tokyo co-contributions to Regional Climate Outlook Forums

25 December 2024

9 December 2024

    - JMA's Seasonal Numerical Ensemble Prediction for Boreal Winter 2024/2025
    - Summary of the 2024 Asian Summer Monsoon
    - Status of the Antarctic Ozone Hole in 2024
    - Status of the Arctic Sea Ice in 2024
    - Climate characteristics and factors behind extremely high temperatures from July onward and heavy rainfall in late July 2024
    - TCC and WMC Tokyo co-contributions to Regional Climate Outlook Forums in Asia
    - TCC contribution to 6th WCRP international Conference on Reanalysis

18 October 2024

3 September 2024

    - Launch of TCC's Three-month Guidance Tool
    - Contribution of an Unprecedented Marine Heatwave to Extremely Hot Summer Conditions over Northern Japan in 2023
    - TCC Expert visit to Bhutan
    - Introduction of WMO RA II Information Sharing for Climate Services on the TCC Website

» Previous news  

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Tokyo Climate Center, Climate Prediction Division.
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