• This data set was recently downgraded to a “Basic” Level of Service. Learn more about what this means for users here

  • As of 9 June 2023, bi-weekly production of the Antarctic data in this data set has been suspended indefinitely. The Arctic data is not affected and will continue to be produced.

U.S. National Ice Center Arctic and Antarctic Sea Ice Concentration and Climatologies in Gridded Format, Version 1
Data set id:
G10033
DOI: 10.7265/46cc-3952
This is the most recent version of these data.
Version Summary
Initial release
In this section
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Overview

Notice: Due to funding limitations, this data set was recently changed to a “Basic” Level of Service. Learn more about what this means for users and how you can share your story here: Level of Service Update for Data Products.

Weekly sea ice concentration charts from the U.S. National Ice Center (USNIC) along with total ice concentration, multiyear ice concentration, first-year ice concentration, thin ice concentration, and fast ice extent. In addition, there are also period-of-record, 5-year and 10-year climatological averages.
Parameter(s):
SEA ICE CONCENTRATION
Platform(s):
SATELLITES
Sensor(s):
SAR
VISIBLE SPECTROMETER
Data Format(s):
NetCDF
GeoTIFF
Shapefile
Temporal Coverage:
  • 6 January 2003 to present
Temporal Resolution:
  • 7 day
Spatial Resolution:
  • 10 km
  • 10 km
Spatial Reference System(s):
  • WGS 84 / NSIDC EASE-Grid 2.0 North
    EPSG:6931
  • WGS 84 / NSIDC EASE-Grid 2.0 South
    EPSG:6932
Spatial Coverage:
  • N:
    -19
    S:
    -90
    E:
    180
    W:
    -180
  • N:
    90
    S:
    19
    E:
    180
    W:
    -180
Blue outlined yellow areas on the map below indicate the spatial coverage for this data set.

Data Access & Tools

Documentation

Help Articles

How to Articles

How to access and download NOAA@NSIDC data
NOAA@NSIDC data recently transitioned to HTTPS. The directory structure has NOT changed, but the beginning of the URL has changed from:ftp://sidads.colorado.edu/pub/DATASETS/to:
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