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FY3A VIRR Global Monthly mean Cloud Amount Level 3 Product
Entry ID: FY3A_VIRR_CLA_monthly_L3

Abstract: Global Monthly mean Cloud Amount:

The product include the global Monthly mean total cloud amount, and Monthly mean high cloud amount products. Total cloud amount means the ratio between the radiation of cloud pixels and all pixels in certain region. The value is between 0 and 100, 0 means clear sky, 100 means cloud sky; High cloud mean the percent of high cloud in the certain region, the value is between 0 and 100. This product is the mean of monthly data, and the unit is %.

Purpose: Global Monthly mean Cloud Amount:

The cloud products are being used to improve understanding and modeling of the role of clouds in climate, with the primary focus being the elucidation of the effects of clouds on the radiation balance. These data can also used to support many other cloud studies, including understanding of the hydrological cycle.
Related URL
Description: FENGYUN Satellite Data Center
Geographic Coverage
Spatial coordinates   
  N: 90.0   S: -90.0   E: 180.0   W: -180.0

Data Set Citation
Dataset Originator/Creator: China Meteorological Administration(CMA) National Satellite and Meteorological Center(NSMC)
Dataset Title: Global Monthly mean Cloud Amount
Dataset Release Date: 2008-05-29
Dataset Release Place: Beijing, China
Online Resource:
Temporal Coverage
Start Date: 2008-05-29
Data Resolution
Latitude Resolution: 5000 m
Longitude Resolution: 5000 m
Horizontal Resolution Range: 1 km - < 10 km or approximately .01 degree - < .09 degree
Temporal Resolution: Monthly
Temporal Resolution Range: Monthly - < Annual
Data Set Progress
Data Center
FENGYUN Satellite Data Center, China Supplemental Info
Data Center URL:

Data Center Personnel
Phone: 4006-121-701
Email: dataserver at
Contact Address:
National Satellite Meteorological Center data services
No. 46
Zhongguancun, Haidian District
South Street
City: Beijing
Postal Code: 100081
Country: China
Distribution Size: ~ 98.88 MB
Distribution Format: HDF
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2011-03-09
Last DIF Revision Date: 2017-08-23