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The system began operating on 1 November 1974, and currently comprises 1,300 stations throughout Japan (of which over 1,100 are unstaffed), with an average separation of 17 km (11 mi). Observations at staffed stations cover weather, wind direction and speed , types and amounts of precipitation , types and base heights of clouds, visibility ...
Microsoft's Aurora system offers global 10-day weather and 5-day air pollution (CO 2, NO, NO 2, SO 2, O 3, and particulates) forecasts with claimed accuracy similar to physics-based models, but at orders-of-magnitude lower cost. Aurora was trained on more than a million hours of data from six weather/climate models. [83] [84]
Japan is generally a rainy country with high humidity. [1] Because of its wide range of latitude, [1] seasonal winds and different types of ocean currents, [citation needed] Japan has a variety of climates, with a latitude range of the inhabited islands from 24°N – 46°N, which is comparable to the range between Nova Scotia and The Bahamas in the east coast of North America. [1]
Meteorological organizations in Japan have their origins in the 1870s, when the first weather stations started being established in the country. [1] One of these was the Tokyo Meteorological Observatory (東京気象台, Tōkyō Kishō-dai), which since 1956 has been known as the Japan Meteorological Agency (気象庁, Kishō-chō).
The first weather satellite to be considered a success was TIROS-1, launched by NASA on April 1, 1960. [5] TIROS operated for 78 days and proved to be much more successful than Vanguard 2. Other early weather satellite programs include the 1962 Defense Satellite Applications Program (DSAP) [6] and the 1964 Soviet Meteor series.
The specific configuration may vary due to the purpose of the system. [1] The system may report in near real time via the Argos System, LoRa and the Global Telecommunications System, [2] or save the data for later recovery. [3] In the past, automatic weather stations were often placed where electricity and
Windy is a Czech company providing interactive weather forecasting services worldwide. The portal was founded by Ivo Lukačovič in November 2014, [ 1 ] [ 2 ] initially focusing on wind animation. It has since expanded to include various essential meteorological parameters, such as temperature , pressure , relative humidity , cloud base, and ...
An example of a forecast product from the GFS, in this case a 96-hour forecast of 850 mb geopotential height and temperature. The Global Forecast System (GFS) is a global numerical weather prediction system containing a global computer model and variational analysis run by the United States' National Weather Service (NWS).