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First imagery from next-generation FY-4A geostationary satellite

first-imagery-released-from-fy-4a-geostationary-satellite

China has released the first imagery from Fengyun-4A, the first of their second generation of Geostationary Meteorological Satellites. The satellite will support forecasts and warnings, numerical weather prediction, wildfire and space weather monitoring and more. It is expected to find a wide range of uses and societal benefits in reducing disasters produced by typhoons, rainstorms, floods, and space weather. 

FY-4 introduces significant improvements over the current system which employs spin-stabilized satellites that can only achieve a fraction of the observation efficiency possible with three-axis stabilized satellites.

Fengyun (Chinese for ‘Winds and Clouds’) is China’s Meteorological Satellite Program, consisting of at least one operational satellite in Geostationary Orbit and several satellites in polar orbits, creating a satellite constellation to monitor the Chinese and surrounding territory and deliver timely data relevant for weather forecasting and nowcasting. The program saw its first launch back in 1988 when the Fengyun 1A satellite was launched into a Sun-Synchronous Orbit – Fengyun 1B followed in 1990.

First imagery released from FY-4A geostationary satellite

Compared to FY-2, the next generation of Geostationary Meteorological Satellites has been considerably improved in terms of the quality and volume of data delivered, the network transmission bandwidth, data product generation and distribution – enabling an easier integration into forecasting and other applications.

FY-4 offers an enhanced scanning capability to be able to monitor small-scale weather phenomena while the microwave version addresses the need for three-dimensional sensing of the atmosphere from geostationary altitudes. As a new capability, FY-4 carries a solar payload to establish a space weather monitoring and warning capability.

Services provided by the FY-4 system include imaging, sounding, lightning mapping, and space environment monitoring plus auxiliary services – High- and Low-Rate Information Transmission, and support of Data Collection Platforms.

A total of seven FY-4 satellites are planned to be launched to remain in service through 2037 when a successor program will be inaugurated.

Find more FY-4A imagery, here. FENGYUN Satellite Data Center homepage is here.

Featured image credit: NSMC/FY-4

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