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Climate Report over Japan





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Seasonal Highlights

-Seasonal mean temperatures were significantly above normal in northern/western Japan and Okinawa/Amami, and above normal in eastern Japan, because warm air covered nationwide.
-Seasonal precipitation amounts were significantly above normal on the Sea of Japan side of western Japan, on the Pacific side of eastern/western Japan, and in Okinawa/Amami, due to frequent influence of low-pressure systems and fronts. Seasonal precipitation amounts on the Pacific side of western Japan were the largest records as the season since 1946.
-Seasonal sunshine durations were above normal on the Sea of Japan side and the Pacific side of northern Japan, where high-pressure systems frequently covered, while they were below normal on the Pacific side of western Japan, due to frequent influence of low-pressure systems and fronts.

Climate Anomaly Table Over Japan

Seasonal Climate Anomaly over Japan

TRS_map

Monthly Mean 500hPa GeoPotential Height

Z500_1
Z500_2
Z500_3
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Tokyo Climate Center, Climate Prediction Division.
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