NOAA JPSS Visible Infrared Imaging Radiometer Suite (VIIRS) Cloud Cover Layer (CCL) Environmental Data Record (EDR) from IDPS
VIIRS-CCL-EDR
S-NPP VIIRS Cloud Cover Layer EDR image taken over a portion of North America on April 28, 2016
This dataset contains a high quality Environmental Data Record (EDR) of Cloud Cover Layers (CCL) from the Visible Infrared Imaging Radiometer Suite (VIIRS) instrument onboard the Suomi-NPP satellite and is produced by the NOAA Environmental Satellite, Data, and Information Service (NESDIS). The CCL EDR is a cloud product derived from several other Retained Intermediate Products (RIPs) including, Cloud Optical Properties (COP), Cloud Top Parameters (CTP), Perform Parallax Correction (PPC), and Cloud Base Height (CBH). Cloud cover is the fraction of a given area on the Earth's surface where a line segment extending between two altitudes intersects a cloud. CCL also includes a binary map (cloudy/not cloudy) that highlights cells that contain clouds. The RIPs are 750 meter spatial resolution products and the output EDRs are gridded to 6 km resolution. Global coverage is generated approximately every 12 hours. By default, IDPS VIIRS CCL data obtained from the Comprehensive Large-Array Stewardship System (CLASS) are distributed in four aggregated 86-second granules in Hierarchical Data Format v.5 (HDF5) with metadata attributes included.
- Cite as: Heidinger, Andrew, Qiu, Shuang, and NOAA JPSS Program Office (2013): NOAA JPSS Visible Infrared Imaging Radiometer Suite (VIIRS) Cloud Cover Layers (CCL) Environmental Data Record (EDR) from IDPS. [indicate subset used]. NOAA National Centers for Environmental Information. [access date].
- gov.noaa.ncdc:C01404
- gov.noaa.class:VIIRS_EDR
- JPSS Product ID:VCCLO
Download Data |
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NOAA CLASS FTP Server (download)
Access and download data tar files by date and product for the previous 85 days. The directory structure is as follows, date(yyyymmdd)->instrument family->product.
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Order Data |
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Distribution Formats |
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Ordering Instructions |
Contact NCEI for other distribution options and instructions. |
Distributor |
NOAA National Centers for Environmental Information ncei.info@noaa.gov
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Dataset Point of Contact |
Customer Engagement Branch DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce ncei.sat.info@noaa.gov
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Time Period |
2013-04-27 to Present (time interval: 12-hour) |
Spatial Reference System |
urn:ogc:def:crs:EPSG::4326 |
Spatial Bounding Box Coordinates |
West: -180.0
East: 180.0
South: -90.0
North: 90.0
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Spatial Coverage Map |
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General Documentation |
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Processing Documents |
- JPSS STAR Science Documents
- JPSS STAR Algorithm Maturity Matrix
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Associated Resources |
- The expected performance of cloud optical and microphysical properties derived from Suomi NPP VIIRS day/night band lunar reflectance
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Journal article published December 2013 by Wiley (Journal of Geophysical Research Atmospheres)
Walther, A., Heidinger, A., et al, (2013), The expected performance of cloud optical and microphysical properties derived from Suomi NPP VIIRS day/night band lunar reflectance, J. Geo. Res. Atmo., 118(23), 13230—13240, doi:10.1002/2013JD020478
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Publication Dates |
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Edition |
Validated |
Data Presentation Form |
Digital image
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Dataset Progress Status |
Ongoing - data is continually being updated |
Data Update Frequency |
Continual |
Purpose |
The VIIRS CCL EDR is used extensively in numerical weather and climate prediction models. CCL could also be useful to the general aviation community. |
Use Limitations |
- For a complete description of use limitations for this EDR, see the Algorithm Theoretical Basis Document (ATBD).
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Dataset Citation |
- Cite as: Heidinger, Andrew, Qiu, Shuang, and NOAA JPSS Program Office (2013): NOAA JPSS Visible Infrared Imaging Radiometer Suite (VIIRS) Cloud Cover Layers (CCL) Environmental Data Record (EDR) from IDPS. [indicate subset used]. NOAA National Centers for Environmental Information. [access date].
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Cited Authors |
- Heidinger, Andrew
DOC/NOAA/NESDIS/STAR > Center for Satellite Applications and Research, NESDIS, NOAA, U.S. Department of Commerce
- Qiu, Shuang
DOC/NOAA/NESDIS/OSPO > Office of Satellite and Product Operations, Center for Satellite Applications and Research, NESDIS, NOAA, U.S. Department of Commerce
- NOAA JPSS Program Office
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Originators |
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Principal Investigators |
- Heidinger, Andrew
DOC/NOAA/NESDIS/STAR > Center for Satellite Applications and Research, NESDIS, NOAA, U.S. Department of Commerce
- Qiu, Shuang
DOC/NOAA/NESDIS/OSPO > Office of Satellite and Product Operations, Center for Satellite Applications and Research, NESDIS, NOAA, U.S. Department of Commerce
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Publishers |
- NOAA National Centers for Environmental Information
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Theme keywords |
Global Change Master Directory (GCMD) Science Keywords- Earth Science > Atmosphere > Clouds > Cloud Properties
Global Climate Observing System (GCOS) Essential Climate Variables (ECVs)- Atmospheric - Upper-air - Cloud Properties
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Data Center keywords |
Global Change Master Directory (GCMD) Data Center Keywords
- DOC/NOAA/NESDIS/NCDC > National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce
- DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
- DOC/NOAA/NESDIS/STAR > Center for Satellite Applications and Research, NESDIS, NOAA, U.S. Department of Commerce
- DOC/NOAA/NESDIS/OSPO > Office of Satellite and Product Operations, NESDIS, NOAA, U.S. Department of Commerce
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Platform keywords |
Global Change Master Directory (GCMD) Platform Keywords- SUOMI-NPP > Suomi National Polar-orbiting Partnership
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Instrument keywords |
Global Change Master Directory (GCMD) Instrument Keywords- VIIRS > Visible-Infrared Imager-Radiometer Suite
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Place keywords |
Global Change Master Directory (GCMD) Location Keywords- Geographic Region > Global
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Project keywords |
Global Change Master Directory (GCMD) Project Keywords- JPSS > Joint Polar Satellite System
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Data Resolution keywords |
Global Change Master Directory (GCMD) Horizontal Data Resolution Keywords- 1 km - < 10 km or approximately .01 degree - < .09 degree
Global Change Master Directory (GCMD) Temporal Data Resolution Keywords
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Stratum keywords |
Global Change Master Directory (GCMD) Location Keywords- Vertical Location > Troposphere
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Use Constraints |
- Cite as: Heidinger, Andrew, Qiu, Shuang, and NOAA JPSS Program Office (2013): NOAA JPSS Visible Infrared Imaging Radiometer Suite (VIIRS) Cloud Cover Layers (CCL) Environmental Data Record (EDR) from IDPS. [indicate subset used]. NOAA National Centers for Environmental Information. [access date].
- Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
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Access Constraints |
- Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
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Fees |
- In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.
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Lineage information for: dataset |
Lineage Statement |
These data were produced by the JPSS Interface Data Processing Segment (IDPS) and are archived at the NOAA National Centers for Environmental Information (NCEI). |
Processor |
- DOC/NOAA/NESDIS/STAR > Center for Satellite Applications and Research, NESDIS, NOAA, U.S. Department of Commerce
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Processing Steps |
- For a complete description of the processing steps, see the Algorithm Theoretical Basis Document and Data Flow Diagram.
- 2013-04-17T00:00:00 - The CCL algorithm reached beta maturity.
- 2014-01-07T00:00:00 - The CCL algorithm reached provisional maturity.
- 2014-09-03T00:00:00 - The CCL algorithm reached validated maturity.
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Processing Documents |
- JPSS STAR Science Documents
- JPSS STAR Algorithm Maturity Matrix
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Source Datasets |
- NOAA JPSS Visible Infrared Imaging Radiometer Suite (VIIRS) Sensor Data Record (SDR) from IDPS
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NCEI landing page for JPSS-VIIRS-SDR
Source dataset landing page with general information and access links for the dataset.
- Description of Source: VIIRS Sensor Data Record (SDR)
- Temporal extent used: 2012-02-07 to Present
- Spatial extent used: N:90 S:-90 E:180 W:-180
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Lineage information for: repository |
Processing Steps |
- 2015-04-22T00:00:00 - NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
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Last Modified: 2023-06-23
For questions about the information on this page, please email:
ncei.info@noaa.gov