, Shortened in JMA , is the weather agency of Japan. In addition to recording the terrestrial and maritime data of the time, it launches and exploits Meteorological satellite and deals with the detection of the seisms in the area of the western Pacific Ocean by using a seismic scale of intensity from 0 to 7, based on the amplitude of measured accelerations.

Its general headquarter is with Tokyo and counts six regional centres of Weather forecasting, three centers of forecast to aviation, forty seven (47) local centers of services of presentations and data acquisition as well as research centres. The JMA is also responsible for a center weather alarms for the tropical cylones of the north-western Pacific.

History

The JMA was born in 1875 under the name of the weather Observatoire from Tokyo , under the direction of the ministry for the Interior. This ancestor was only one observation station but a network of stations were grafted there gradually and in 1883, the first charts of pressure of the area were transmitted. The following year, the first Weather forecasting national was emitted, using the techniques developed by the European and North-American weather services incipient. The Observatory also began its role of catch of the sismisques data in 1884

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