Name: Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures, Version 2
Creator: National Snow and Ice Data Center
Keywords: BRIGHTNESS TEMPERATURE

Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures, Version 2

Data set id:

NSIDC-0080

DOI: 10.5067/WKRY675MV57L

Data Citation and Acknowledgment
As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility.

Meier, W. N., Wilcox, H., Scott, D. J., Stewart, J. S. & Calme, J. (2022). Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures. (NSIDC-0080, Version 2). [Data Set]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/WKRY675MV57L. [describe subset used if applicable]. Date Accessed 07-04-2026.

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This data set has been retired.
Version Summary

This version update reflects the conversion of the data set from binary to NetCDF.

Overview

The Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperature product provides near-real-time polar stereographic gridded daily brightness temperatures for both the Northern and Southern Hemispheres. As of 18 June 2026, this data set is retired and no longer available for download. Forward processing for this product ceased in January 2026. We recommend using the research quality DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures (https://doi.org/10.5067/MXJL42WSXTS1) data set as an alternative.

Parameter(s):

BRIGHTNESS TEMPERATURE

Platform(s):

DMSP 5D-3/F16

DMSP 5D-3/F17

DMSP 5D-3/F18

Sensor(s):

SSMIS

Data Format(s):

netCDF-4

Temporal Coverage:

1 January 2024 to 14 January 2026

Temporal Resolution:

1 day

Spatial Resolution:

25 km
12.5 km

25 km
12.5 km

Spatial Reference System(s):

NSIDC Sea Ice Polar Stereographic North
EPSG:3411
NSIDC Sea Ice Polar Stereographic South
EPSG:3412

Spatial Coverage:

Northern latitude
-60
Southern latitude
-90
Eastern longitude
180
Western longitude
-180
Northern latitude
90
Southern latitude
60
Eastern longitude
180
Western longitude
-180

Blue outlined yellow areas on the map below indicate the spatial coverage for this data set.

View Metadata Record

Data Access & Tools

This data set has been retired. Please contact user services if you have questions.

Documentation

User Guide

Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures, Version 2

Sensor and Instrument Information

SMMR, SSM/I, and SSMIS Sensors Summary

Help Articles

General Questions & FAQs

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