HY-2D
HY-2D is a marine remote sensing satellite launched by the Chinese National Satellite Ocean Application Service (NSOAS) on 19 May 2021. The HY-2D scatterometer (HSCAT) is a rotating pencil beam scatterometer operating in Ku-band at 13.25 GHz which traces out a ~1300 km swath. The EUMETSAT Ocean and Sea Ice Satellite Application Facility (OSI SAF) have developed a HY-2D wind product which makes use of the level 1b backscatter data made available by NSOAS.
HY-2D is under going pre-operational testing at the Met Office.
Acknowledgements and status
Level 1b: NSOAS
Level 2b: OSI SAF (in development status)
Latest Data (updated every 6 hours)
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Data Coverage | ![]() |
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Map O-B Speed Bias | ![]() |
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Map O-B Vector Difference | ![]() |
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Map Observed Speed | ![]() |
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Map Background Speed | ![]() |
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Speed 2D Histogram | ![]() |
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Direction 2D Histogram | ![]() |
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O-B Speed Bias By Crosstrack Cell |
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O-B Direction Bias By Crosstrack Cell |
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Last 30 days (updated once per day)
Time Series I | ![]() |
Time Series II | ![]() |