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Automated Meteorological Data Acquisition System (AMeDAS), commonly known in Japanese as "アメダス" (amedasu), is a high-resolution surface observation network developed by the Japan Meteorological Agency (JMA) used for gathering regional weather data and verifying forecast performance. The system began operating on 1 November 1974, and ...
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).
10-13 Advise weather and road conditions. ... 10-38 Station report—satisfactory. ... January 1940 – The first official publication showing the 10-codes.
This article describes the Japan Meteorological Agency (JMA) severe weather terminology. The JMA defines precise meanings for nearly all its weather terms as the Information for Severe Weather Preparation ( 防災気象情報 , Bousai Kishō Jōhō ) .
Code 1: A time critical event with response requiring lights and siren. This usually is a known and going fire or a rescue incident. Code 2: Unused within the Country Fire Authority. Code 3: Non-urgent event, such as a previously extinguished fire or community service cases (such as animal rescue or changing of smoke alarm batteries for the ...
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A Synoptic automatic weather station. Synoptic weather stations are instruments which collect meteorological information at synoptic time 00h00, 06h00, 12h00, 18h00 and at intermediate synoptic hours 03h00, 09h00, 15h00, 21h00 (UTC). Every weather station has assigned station unique code by WMO for identification.
This is a code number from 0 to 4, with 0, 1 and 2 meaning data is included, and 3 and 4 indicating no precipitation data. i X is a code number indicating the manner of station operation, and the format used in group 7wwWW; codes 1, 2 and 3 indicate a staffed station, while codes 4 to 7 indicate an automatic station.