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HOME > Climate System Monitoring

Climate System Monitoring

JMA monitors the climate system focusing on atmospheric circulation, tropical convection, oceanographic conditions and snow cover to understand backgrounds and factors of the present climate conditions including extreme events.

Notice: From 19 May 2021 onward, the products in this page are based on the new climatological normal (1991-2020 average) unless otherwise stated.

Notice: OLR-related products updated from October 2023 onward are based on NOAA CPC Blended OLR (CBO).

Main Products

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Tokyo Climate Center, Climate Prediction Division.
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