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Early Warning Information on Extreme Weather Seasonal Forecasts Weather Maps UV Index Dust Information
Weather Radar Workshop 2023 in Tokyo (11-13 October 2023) Visit by Prof. Andrea Celeste Saulo (Director of Argentina's Servicio Meteorológico Nacional/next WMO Secretary-General) and delegation (6 September 2023)
JMA operates a network of 20 C-band Doppler weather radars across Japan to observe the distribution of rainfall intensity and wind in terms of radial velocity. Precipitation Nowcasts generated every five minutes by merging all radar data are used both for weather monitoring and for obtaining initial values to be used in very short-range forecasts.
氣象廳 : 3-6-9 Toranomon, Minato City, Tokyo 105-8431, Japan.
The Japan Meteorological Agency (JMA) uses a variety of meteorological instruments to observe weather conditions. Surface observation is carried out at about 1,300 stations using a collection of automatic equipment known as the Automated Meteorological Data Acquisition System (AMeDAS) .
The Regional Specialized Meteorological Center (RSMC) Tokyo - Typhoon Center provides information on tropical cyclones in the western North Pacific and the South China Sea,including present and forecast positions as well as the movement and intensity of tropical cyclones.
気象庁が発表する気象情報、地震・津波情報、データ、火山、気候、環境、海洋情報を掲載.
ClimatView. Website provided by the Japan Meteorological Agency (the national weather service of Japan)
Map source: Geospatial Information Authority of Japan. Created by editing GSI Tiles (Digital Topographic Map) © Japan Meteorological Agency 2020. High-resolution Precipitation Nowcasts (HRPNs) provide short-range precipitation intensity predictions with a spatial resolution of 250 m.
This page shows time-series representations of observed temperatures for the past week and forecasts for the next two weeks. Forecasts for the second week ahead are averaged over the five-day periods marked in parentheses, with the single date above representing the central day of the range.
