Page Summary
-
The dataset contains total cloud cover data from 1979 to 2025, updated every 6 hours.
-
The data is provided by NOAA as part of the NCEP-DOE Reanalysis 2 project.
-
There are no restrictions on the use of these datasets.
-
The dataset includes a 'tcdc' band representing total cloud cover in percentage.
-
This dataset can be explored and analyzed using Google Earth Engine.
- Dataset Availability
- 1979-01-01T00:00:00Z–2025-09-30T18:00:00Z
- Dataset Provider
- NOAA
- Cadence
- 6 Hours
- Tags
Description
NCEP-DOE Reanalysis 2 project is using a state-of-the-art analysis/forecast system to perform data assimilation using past data from 1979 through the previous year.
Bands
Pixel Size 278300 meters
Bands
| Name | Units | Min | Max | Pixel Size | Description |
|---|---|---|---|---|---|
tcdc
|
% | 0* | 100* | meters | Total cloud cover |
Terms of Use
Terms of Use
There are no restrictions on the use of these datasets.
Citations
Explore with Earth Engine
Code Editor (JavaScript)
// Import the dataset, filter the first five months of 2020. var dataset = ee . ImageCollection ( 'NOAA/NCEP_DOE_RE2/total_cloud_coverage' ) . filter ( ee . Filter . date ( '2020-01-01' , '2020-06-01' )); // Select the total cloud cover band. var totalCloudCoverage = dataset . select ( 'tcdc' ); // Reduce the image collection to per-pixel mean. var totalCloudCoverageMean = totalCloudCoverage . mean (); // Define visualization parameters. var vis = { min : 0 , max : 80 , // dataset max is 100 palette : [ 'black' , 'white' ], }; // Display the dataset. Map . setCenter ( 0 , 20 , 2 ); Map . addLayer ( totalCloudCoverageMean , vis , 'Total Cloud Coverage Data' , false ); // Display a visualization image with opacity defined by cloud cover. var visImg = totalCloudCoverageMean . visualize ( vis ) . updateMask ( totalCloudCoverageMean . divide ( 100 )); Map . addLayer ( visImg , null , 'Total Cloud Coverage Vis.' , true );
