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

Near-Real-Time DMSP SSM/I-SSMIS Pathfinder Daily EASE-Grid Brightness Temperatures, Version 2

Data set id:

NSIDC-0342

DOI: 10.5067/K7VT6D6Y2SO6

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.

Brodzik, M. J. & Armstrong, R. (2018). Near-Real-Time DMSP SSM/I-SSMIS Pathfinder Daily EASE-Grid Brightness Temperatures. (NSIDC-0342, Version 2). [Data Set]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/K7VT6D6Y2SO6. [describe subset used if applicable]. Date Accessed 09-05-2025.

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This data set has been retired.
Version Summary

For this Version 2 data set, NSIDC has switched its SSMIS processing stream from the DMSP-F17 satellite to SSMIS data from the DMSP-F18 satellite.

Overview

As of 31 August 2022, this data set is retired and no longer available for download. We recommend using MEaSUREs Calibrated Enhanced-Resolution Passive Microwave Daily EASE-Grid 2.0 Brightness Temperature ESDR, Version 1 data set as an alternative. This data set provides daily, near-real-time Special Sensor Microwave Imager/Sounder (SSMIS) brightness temperatures in the Equal-Area Scalable Earth-Grid (EASE-Grid). The data set consists of gridded data in two projections: Northern Hemisphere and Southern Hemisphere. The data lag by one day and provide 365 days of near-real-time data. The spatial resolution is 25 km for all channels. Data are contained in flat binary files.

Parameter(s):

BRIGHTNESS TEMPERATURE

Platform(s):

DMSP 5D-3/F17

DMSP 5D-3/F18

Sensor(s):

SSMIS

Data Format(s):

Binary

Temporal Coverage:

24 June 2021 to 30 August 2022

Temporal Resolution:

1 day

Spatial Resolution:

25 km

25 km

Spatial Reference System(s):

NSIDC EASE-Grid North
EPSG:3408
NSIDC EASE-Grid South
EPSG:3409

Spatial Coverage:

N:
90
S:
-90
E:
180
W:
-180

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

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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 Pathfinder Daily EASE-Grid Brightness Temperatures, Version 2 User Guide

Sensor and Instrument Information

SMMR, SSM/I, and SSMIS Sensors Summary

Help Articles

General Questions & FAQs

When will the legacy, on-premises archive be retired?

The NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) is migrating its primary data access from its legacy, on-premises archive to the NASA Earthdata Cloud.

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