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Description

This data set contains a monthly-mean, 0.25 degree resolution, near-global gridded analysis of ocean surface winds (wind speed, components, and anomalies) from the Cross-Calibrated Multi-Platform (CCMP) project. CCMP is a combination of inter-calibrated 10 m ocean surface wind retrievals from multiple types of satellite microwave sensors and a background field from reanalysis. The wind retrievals are derived by Remote Sensing Systems (RSS) and include most of the wind-sensing U.S., Japanese, and European satellites flown to date. The background field is from ERA5 10m Neutral Stability winds. The result is a product that remains closely tied to the satellite retrievals where they are available and closely collocated in time and space. Data files are available in netCDF format, with one file per month.
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Version 3.1 updates include but are not limited to: (1) Improved performance and agreement with satellite winds at high wind speed, (2) Minimized spurious trends caused by the interaction between the amount of satellite measurements available and the satellite/model biases, and (3) improving the quality of the wind after 2012.
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Version 3.1 is produced and maintained by RSS with support from a NASA grant (ROSES proposal 17-OVWST-17-0023). Previous versions were funded by the NASA Making Earth Science data records for Use in Research Environments (MEaSUREs) program, with the original V1.0 led by Dr. Robert Atlas at Goddard Space Flight Center.

Product Summary

Platforms
TRMM ,
DMSP 5D-3/F15 ,
DMSP 5D-2/F8 ,
Aqua ,
GCOM-W1 ,
DMSP 5D-3/F16 ,
QUIKSCAT ,
GPM ,
DMSP 5D-2/F14 ,
DMSP 5D-2/F10 ,
CORIOLIS ,
DMSP 5D-2/F11 ,
DMSP 5D-3/F17 ,
DMSP 5D-2/F13 ,
METOP-A ,
METOP-B
Instruments
TMI ,
SSM/I ,
AMSR-E ,
AMSR2 ,
SSMIS ,
SEAWINDS ,
GMI ,
WINDSAT ,
ASCAT
Spatial Extent

N: 80 S: -80 E: 180 W: -180

Spatial Resolution
0.25 Decimal Degrees x 0.25 Decimal Degrees
Geographic Region
GLOBAL
Coordinate System
GEODETIC
Granule Spatial Representation
CARTESIAN
Temporal Extent
1993-01-01 to Present
Data Partner
Physical Oceanography Distributed Active Archive Center, Jet Propulsion Laboratory, NASA (NASA/JPL/PODAAC) ,
Remote Sensing Systems (RSS)
Concept ID
C2916529935-POCLOUD
Data State
ACTIVE
Number of Files/Granules
392
Processing Level
4
Science Keywords
Surface Winds ,
Surface Winds

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

RSS. (2024). RSS CCMP Monthly 10 Meter Surface Winds Level 4 Version 3.1 [Data set]. NASA Physical Oceanography Distributed Active Archive Center. https://doi.org/10.5067/CCMP-MW10M-L4V31 Date Accessed: 2025-12-14

Documents

Variables

Variables are a set of physical properties whose values determine the characteristics or behavior of something. For example, temperature and pressure are variables of the atmosphere. Parameters and variables can be used interchangeably. Variable level attributes provide individual information for each variable.

The Name in this table is the variable name. Fill value indicates missing or undefined data points in a variable. Valid range is the range of values the variable can store. Scale factor is used to increase or decrease the size of an object and can be used to correct for distortion. For questions on a specific variable, please use the Earthdata Forum.

Name Description Units Data Type Fill Value Valid Range Scale Factor
latitude latitude degrees_north float -9999 -90 to 90 1
longitude longitude degrees_east float -9999 0 to 360 1
nobs number of observations used to derive wind vector components N/A float -9999 0 to 1000 1
time time of analysis hours since 1987-01-01 00:00:00 float N/A 54768 to 54768 1
u u-wind vector component at 10 meters m s-1 float -9999 -100 to 100 1
u_anom u-wind anomaly vector component at 10 meters m s-1 float -9999 -100 to 100 1
v v-wind vector component at 10 meters m s-1 float -9999 -100 to 100 1
v_anom v-wind anomaly vector component at 10 meters m s-1 float -9999 -100 to 100 1
w wind speed at 10 meters m s-1 float -9999 0 to 140 1
w_anom wind speed anomaly at 10 meters m s-1 float -9999 -100 to 100 1
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