NCEP-DOE Reanalysis 2 (Gaussian Grid), Total Cloud Coverage

NOAA/NCEP_DOE_RE2/total_cloud_coverage
Dataset Availability
1979-01-01T00:00:00Z–2025-08-31T18:00:00Z
Dataset Provider
Earth Engine Snippet
ee.ImageCollection("NOAA/NCEP_DOE_RE2/total_cloud_coverage")
Cadence
6 Hours
Tags
atmosphere climate cloud geophysical ncep noaa reanalysis

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
* estimated min or max value

Terms of Use

Terms of Use

There are no restrictions on the use of these datasets.

Citations

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);
Open in Code Editor
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.
NOAA/NCEP_DOE_RE2/total_cloud_coverage, atmosphere,climate,cloud,geophysical,ncep,noaa,reanalysis
1979-01-01T00:00:00Z/2025-08-31T18:00:00Z
-90 -180 90 180
Google Earth Engine