Climate Report over Japan
Monthly Highlights
Monthly precipitation amounts were significantly above normal on the Pacific side of northern Japan and in eastern and western Japan, due to the influences from typhoons, low-pressure systems and fronts. In particular, monthly precipitation amount in western Japan was the heaviest on record for October since 1946. Monthly sunshine durations were significantly below normal in northern, eastern and western Japan. Monthly mean temperatures were significantly above normal in Okinawa/Amami, due to warm southerly wind. Eastern Japan, western Japan and Okinawa/Amami experienced heavy rain that caused river overflows and landslides, due to the passage of the typhoon LAN and influences from fronts.
Climate Anomaly Table Over Japan
Monthly Climate Anomaly over Japan
Time Series of Temperature Anomaly
Time Series of 10days Precipitation Amount Ratio and Sunshine Duration Ratio
10-day Mean Sea Level Pressure
10-day Mean 850hPa Temperature
10-day Mean 500hPa GeoPotential Height
10-day Mean Outgoing Longwave Radiation
Note: Figures of outgoing longwave radiation (OLR) in Monthly Report over Japan are based on the NOAA CPC Blended OLR data from the September 2023 report, while they were based on the NOAA CPC AVHRR OLR data until the August 2023 report.