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Available SST Data

All data is provided in GDS 2.0 format.

Data List

Satellite/
Sensor
Processing Type Product Identifier Category Archive Period Latency
Aqua/
AMSR-E
Standard L2P nc.gz netCDF from June 2002
to October 2011
(none)
nc.gz.md5 md5 for netCDF
L3C nc.gz netCDF
nc.gz.md5 md5 for netCDF
GCOM-W/
AMSR2
Near RealTime L2P nc.gz netCDF latest 7 days
(10GHz SST is available from V3.0.)
4 hours
nc.gz.md5 md5 for netCDF
L3C nc.gz netCDF
nc.gz.md5 md5 for netCDF
Standard L2P nc.gz netCDF from 3 July 2012
to present
(10GHz SST is available from V3.0.)
1 day
nc.gz.md5 md5 for netCDF
L3C nc.gz netCDF
nc.gz.md5 md5 for netCDF
GPM
/GMI
Near RealTime L2P nc.gz netCDF latest 7 days 4 hours
nc.gz.md5 md5 for netCDF
L3C nc.gz netCDF
nc.gz.md5 md5 for netCDF
Standard L2P nc.gz netCDF from 4 March 2014
to present
1 day
nc.gz.md5 md5 for netCDF
L3C nc.gz netCDF
nc.gz.md5 md5 for netCDF
WindSat Near RealTime L2P nc.gz netCDF from 3 August 2011
to present
18 hours
nc.gz.md5 md5 for netCDF
L3C nc.gz netCDF
nc.gz.md5 md5 for netCDF
VIRS Standard L2P nc.gz netCDF from 1 April 2013
to 21 March 2014
(none)
nc.gz.md5 md5 for netCDF
L3C nc.gz netCDF
nc.gz.md5 md5 for netCDF

Processing Type

  • Near RealTime
    Produced from Near RealTime sensor data. Ancillary data for GHRSST like analysis SST, wind speed and sea ice are not waiting in progress.
  • Standard
    Produced from Standard sensor data. Ancillary data for GHRSST like analysis SST, wind speed and sea ice are waiting for 3 days from the observation date time.

Version

  • Aqua/AMSR-E
    V7a  (June 2002 - October 2011)
  • GCOM-W/AMSR2
    V2.1 : generated from AMSR2 L2 V2.1 (3 July 2012 - 28 February 2017)
    V3.0 : generated from AMSR2 L2 V3.0 (3 July 2012 - present)
  • GPM/GMI
    V2 : generated from GMI L1B V04A (4 March 2014 - 30 April 2017)
    V3 : generated from GMI L1B V05A (4 March 2014 - present)
  • WindSat
    V7a  (1 April 2009 - 21 August 2016)
    V8    (3 August 2011 - present)
  • VIRS
    V1a  (1 April 2013 - 21 March 2014)

File name sample

  • netCDF
    20130228000733-JAXA-L2P_GHRSST-SSTsubskin-AMSR2-v1_A-v02.0-fv01.0.nc.gz
    (YYYYMMDDhhmmss)-JAXA-L2P_GHRSST-SSTsubskin-AMSR2-v(product Ver.)_(orbit order)-v(GDS Ver.)-fv(file Ver.).nc.gz
    orbit order: A(Ascending), D(Descending), B(Both; AMSR2 NRT L2P & GMI STD L2P: Concatenated Ascending and Descending, GMI NRT L2P: hashed pass)
  • md5 for netCDF
    20130228000733-JAXA-L2P_GHRSST-SSTsubskin-AMSR2-v1_A-v02.0-fv01.0.nc.gz.md5

Variables of netCDF data

timereference time (seconds since 1981-01-01 00:00:00)
latlatitude
lonlongitude
sea_surface_temperature sea surface subskin temperature
sst_dtimetime difference from reference time
sses_biasbias estimate(climate)
sses_standard_deviationstandard deviation(climate)
dt_analysisDeviation from last SST analysis(oisst)
wind_speedsea surface wind speed
wind_speed_dtime_from_ssttime difference of wind speed measurement from sst measurement
sources_of_wind_speedsources of wind speed
sea_ice_fractionsea ice fraction
sea_ice_fraction_dtime_ssttime difference of sea ice fraction measurement from sst measurement
sources_of_sea_ice_fractionsources of sea ice fraction
l2p_flagsL2P flags
quality_levelquality level of SST pixel
proximity_confidenceproximity confidence value