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Climate Report over Japan





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Monthly Highlights

- Monthly mean temperatures were above normal in western Japan and significantly above normal in Okinawa/Amami, because warm-air, associated with the stronger Tibetan High, covered the regions.
- Monthly precipitation amounts were significantly above normal on the Sea of Japan side of northern/eastern Japan and on the Pacific side of northern Japan. Monthly sunshine durations were below normal in all regions of northern/eastern Japan. These wet conditions in the northern/eastern Japan were mainly caused by stationary fronts and moist air inflow in early and middle of the month.
- Meanwhile, in Okinawa/Amami, monthly precipitation amounts were significantly below normal and sunshine durations were significantly above normal because the Pacific High covered the region.

Climate Anomaly Table Over Japan

Monthly Climate Anomaly over Japan

TRS_map

Time Series of Temperature Anomaly

regtmp

Time Series of 10days Precipitation Amount Ratio and Sunshine Duration Ratio

precandsunshine

10-day Mean Sea Level Pressure

SLP_1
SLP_2
SLP_3

10-day Mean 850hPa Temperature

T850_1
T850_2
T850_3

10-day Mean 500hPa GeoPotential Height

SLP_1
SLP_1
SLP_1

10-day Mean Outgoing Longwave Radiation

OLR_1
OLR_2
OLR_3
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Tokyo Climate Center, Climate Prediction Division.
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