Solar radiation enters the Earth's atmosphere with a portion being scattered by clouds and aerosols.

Processing, archiving and distributing Earth science data
at the NASA Langley Research Center

MISR Level 3 Cloud Fraction by Altitude Versioning

MISR Level 3 Cloud Fraction by Altitude Versioning

Cloud Fraction by Altitude Product (CFbA) - Daily, Monthly, Quarterly, Yearly products

ESDT Product File Name Prefix Current Quality Designations
  • Stage 2: All parameters


Note: Level 3 is a summary of Level 2. This page covers changes to the Level 3 software itself for each product version, but you should also consult the product versioning statements for the TOA/Cloud Classifiers and Radiometric Camera-by-camera Cloud Mask products for changes to the Level 2 data being summarized.

Ver. # Production
Start Date
Software Configuration/
Product Impact
Quality Transition
F01_0002 09/02/2014 The entire mission is being reprocessed at this level.

Data Product Specification Rev S (PDF).

New version of TC_CLASSIFIERS (F07_0012) used as input.

New Input files:

  • MISR_AM1_TC_CLASSIFIERS_P<path>_O<orbit>_F07_0012.hdf
  • Stage 2 all parameters


F01_0001 06/21/2010

Data Product Specification Rev S (PDF).

Initial baseline for Level 3 Cloud Fraction by Altitude (CFbA) public release.

Baseline ancillary files:

  • MISR_AM1_TASC_<month>_<year>_F02_03.hdf (prior to November 01, 2009)
  • MISR_AM1_TASC_<month>_<year>_F02_04.hdf (starting November 01, 2009)
  • Stage 2 all parameters