NOAA@NSIDC would like to announce that at the end of April/beginning of May 2021, version 2 of the Near-Real-Time NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration data set will be released. Please note version 1 of the CDR will not be publicly accessible after the release of version 2. For more information about specific changes, please see the user announcement
Data Set ID:
G10016

Near-Real-Time NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 1

This data set provides a near-real-time Climate Data Record (CDR) of sea ice concentration from passive microwave data. The Near-real-time NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration (NRT CDR) data set is the near-real-time version of the final NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration (G02202). The NRT CDR is designed to fill the temporal gap between updates of the final CDR, occurring annually, and to provide the most recent data.

This is the most recent version of these data.

Version Summary:

Near-real-time CDR sea ice concentration initial release.

Parameter(s):
  • Sea Ice > Sea Ice Concentration > SEA ICE CONCENTRATION
Data Format(s):
  • NetCDF
Spatial Coverage:
N: -39.36, 
N: 89.84, 
S: -89.84, 
S: 31.1, 
E: 180, 
E: 180, 
W: -180
W: -180
Platform(s):DMSP 5D-3/F18
Spatial Resolution:
  • 25 km x 25 km
Sensor(s):SSMIS
Temporal Coverage:
  • 1 January 2020
Version(s):V1
Temporal Resolution1 day, 1 monthMetadata XML:View Metadata Record
Data Contributor(s):Walter Meier, Florence Fetterer, Ann Windnagel

Geographic Coverage

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FTP data can be downloaded through a Web browser (Firefox or Edge are recommended) or command line via FTP. For help downloading data through an FTP client, go to the How to access data using an FTP client support page.

As a condition of using these data, you must cite the use of this data set using the following citation. For more information, see our Use and Copyright Web page.

Meier, W. N., F. Fetterer, and A. K. Windnagel. 2017. Near-Real-Time NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 1. [Indicate subset used]. doi: https://doi.org/10.7265/N5FF3QJ6. [Date Accessed].

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FAQ

Descriptions of and Differences between the NASA Team and Bootstrap Algorithms
NSIDC currently archives passive microwave sea ice concentration products based on two algorithms: the NASA Team algorithm and the Bootstrap algorithm. Both algorithms were developed by researchers at the NASA Goddard Space Flight Center in the 1980s. Provided below are two short summaries of the... read more

How To

How to access NOAA@NSIDC data sets in PolarWatch
Currently three NOAA@NSIDC data sets are available in NOAA's PolarWatch Data Catalog. Please note that in the catalog the Climate Data Record (CDR) data sets are split up into Antarctic and Arctic data sets: NOAA/NSIDC Climate Data Record of... read more