Sensor · Spaceborne

Stretched Visible and Infrared Spin Scan Radiometer-II (VISSR-II)

Compiled from public sources on 2026-06-16. Not independently verified by China Meteorological Administration.

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Missions → Fengyun-2H (FY-2H) (Operational)

Five-channel visible, mid-wave infrared and thermal-infrared spin-scan radiometer flown on late FY-2 geostationary meteorological satellites.

Sensor

VISSR-II, also listed as S-VISSR, is a five-channel visible, mid-wave infrared, water-vapour, and thermal-infrared spin-scan radiometer flown on late FY-2 geostationary meteorological satellites.^[1]^[2] Its channel set comprises one visible band at 0.55-0.99 um, one 3.5-4.0 um mid-wave infrared band, one 6.3-7.6 um water-vapour band, and two split-window thermal infrared bands at 10.3-11.3 um and 11.5-12.5 um.^[2] The visible channel has 1.25 km resolution, while the infrared channels have 5 km resolution.^[2] Full-disk repeat coverage is every 30 minutes.^[2] VISSR-II has demonstrated use for atmospheric motion vectors through cloud and water-vapour feature tracking.^[2]

Where this fits, supply chain

Compositional position

Fengyun-2H (FY-2H) ——— this payload

this ——— Fengyun-2H (FY-2H) (Operational) flies on

Methods this sensor implements

Demonstrated

Atmospheric motion vectors (AMV)via Fengyun-2H (FY-2H)
NSMC describes VISSR-II as a five-channel visible/MWIR/TIR imager for imagery and wind derivation by tracking clouds and water-vapour features on FY-2H.

Capable, undemonstrated

None on record.

Topics this relates to

Atmospheric Wind Observation Atmospheric motion vectors (AMV)(demonstrated)well suited

Sources

[1]NSMC VISSR-II instrument pageagency doc2026-06-16
[2]WMO OSCAR instrument record: S-VISSR (FY-2F/G/H)agency doc2026-06-16
[3]NSMC FY-2H satellite pageagency doc2026-06-16
[4]CMA FY-2 status report to CGMS-47agency doc2026-06-16

Cite https://eo-atlas.org/products/sensor/vissr-2 Markdown twin → Field definitions →