NOAA CYGNSS Level 2 Science Wind Speed 25-km Product Version 1.1
This dataset contains the Version 1.1 NOAA CYGNSS Level 2 Science Wind Speed Product Version 1.1 which provides the time-tagged and geolocated average wind speed (m/s) in 25x25 kilometer grid cells along the measurement tracks from the Delay Doppler Mapping Instrument (DDMI) aboard the CYGNSS satellite constellation. This version corresponds to the first science-quality release produced by NOAA/NESDIS using a specific geophysical model function (GMF version 1.0) and a track-wise debiasing algorithm as part of the wind speed retrieval process. The reported sample locations are determined by averaging the specular point locations falling within each 25 km grid cell. Only one netCDF data file is produced each day (each file containing data from up to 8 unique CYGNSS spacecraft) with a latency of approximately 6 days (or better) from the last recorded measurement time. Formatting of the data variables and metadata designed to be consistent with the netCDF formatting provided by the legacy CYGNSS mission Level 2 wind speed science data record (SDR).
| Science Keywords: |
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| Spatial Extent: | Bounding Rectangle: N: 40 S: 40 E: 180 W: -180 |
Data Format(s): | Distribution: NETCDF |
| Temporal Extent: | Platform(s): | CYGNSS | |
| Data Center(s): | NASA/JPL/PODAAC | Instrument(s): | DDMI |
| Version: | 1.1 | ||
- Title: NOAA CYGNSS Level 2 Science Wind Speed 25-km Product Version 1.1
- Version: 1.1
- Creator: NOAA/NESDIS/STAR/SOCD
- Publisher: PO.DAAC
- Release Date: 2020-09-28T00:00:00.000Z
- Other Citation Details: NOAA/NESDIS/STAR/SOCD, PO.DAAC, 2020-09-28, NOAA CYGNSS Level 2 Science Wind Speed 25-km Product Version 1.1, https://manati.star.nesdis.noaa.gov/products/CYGNSS.php
- Linkage: https://manati.star.nesdis.noaa.gov/products/CYGNSS.php
- DATA CITATION POLICY: https://podaac.jpl.nasa.gov/CitingPODAAC, Data Use and Citation Policy
10.5067/CYGNN-22511
https://dx.doi.org/
- GENERAL DOCUMENTATION: https://cygnss.engin.umich.edu/, CYGNSS Mission Page at University of Michigan
- USER'S GUIDE: https://cygnss.engin.umich.edu/wp-content/uploads/sites/534/2021/06/CYGNSS_Handbook_April2016.pdf, Deriving Surface Winds from Tropical Cyclones
- GENERAL DOCUMENTATION: https://manati.star.nesdis.noaa.gov/products/CYGNSS.php, CYGNSS data documentation and references provided and hosted by NOAA/NESDIS/STAR.
- USER'S GUIDE: https://podaac-tools.jpl.nasa.gov/drive/files/allData/cygnss/L2/docs/basic_user_guide_noaa_l2_wind_v1.1.pdf, User Guide Compiled by the OSWT at NOAA-NESDIS-STAR
- ANOMALIES: https://podaac-tools.jpl.nasa.gov/drive/files/allData/cygnss/L1/docs/att_tables/, Updated Monthly
Collection Information
Data Identification
-
Processing Level
2
- Quality
-
Collection Progress
Active
-
Title: Publication reference title not provided
Data Dates
| Creation | |
| Last Revision |
Publication References
Related URLs
Other Descriptive Keywords
Ancillary Keywords
- noaa
- nesdis
- star
- socd
- cygnss
- ddm
- ddmi
- doppler
- delay doppler
- delay
- specular point
- wind
- winds
- wind speed
- version 1.1
- v1.1
Additional Attributes
- Name: earliest_granule_start_time DATETIME Description: Earliest Granule Start Time for dataset.
- Name: latest_granule_end_time DATETIME Description: Latest Granule Stop/End Time for dataset.
- Name: data_latency INT Description: Dataset Latency
- Name: Series Name STRING Description: Dataset citation series name
- Name: Persistent ID STRING Description: Dataset Persistent ID
Acquisition Information
Projects
| Project Short Name | Campaigns | Project Dates |
|---|---|---|
| CYGNSS | No campaigns listed. | No dates provided. |
Temporal Information
Temporal Keywords
- 7.2 Hour
Spatial Information
Generic Resolutions
Generic Resolution 1
X Dimension25000 Meters
Y Dimension25000 Meters
| Coverage Type | Zone Identifier | Geometry | Granule Representation |
|---|---|---|---|
| HORIZONTAL | CARTESIAN | CARTESIAN |
Resolution and Coordinate System
Geodetic Model:
| Datum Name | Ellipsoid Name | Semi Major Axis | Flattening Ratio Denominator |
|---|---|---|---|
| World Geodetic System 1984 | WGS 84 | 6378137 | 298.2572236 |
Horizontal Data Resolution
| Coverage Type | Swath Width | Period | Inclination Angle | Number of Orbits | Start Circular Latitude | Granule Representation |
|---|---|---|---|---|---|---|
| ORBITAL | 25.0 km | 94.0 minutes | 35.0 degrees | 1 | CARTESIAN |
Spatial Information
Location Keywords
- GEOGRAPHIC REGION
- GLOBAL
- Tropics
Data Centers
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DOC/NOAA/NESDIS/STAR
PROCESSORThis data center does not have any addresses listed.
This data center does not have any contact mechanisms listed.
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NASA/JPL/PODAAC
ARCHIVER, DISTRIBUTORPhysical Oceanography Distributed Active Archive Center, Jet Propulsion Laboratory, NASA
This data center does not have any addresses listed.
This data center does not have any contact mechanisms listed.
Data Contacts
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Help Desk
User ServicesHelp Desk
NASA/JPL/PODAACThis contact does not have any addresses listed.
8 AM to 5 PM PT
Physical Oceanography Distributed Active Archive Center Help Page
https://podaac.jpl.nasa.gov/HELP
- Home Page
Archive And Distribution Information
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Format: NETCDF
Format Type: Native
File Distribution Information
There is no direct distribution information for this collection.