Output fields from the NOAA Atlantic Real-Time Ocean Forecast System (RTOFS) for 2006-05-31 to 2017-03-21

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The NOAA Atlantic Real-Time Ocean Forecast System (RTOFS) dataset comprises output fields from the daily operational RTOFS model runs conducted at the National Centers for Atmospheric Prediction. Each model run produces a series of gridded fields containing results of model computations for ocean temperature, salinity, currents, sea-surface height, and possibly other properties. The fields are encoded in the standard GRIdded Binary (GRIB) file format. NCEI compiles a series of files into monthly accessions to facilitate archival storage and public access. Two different sets of output fields are included: 1) daily 3-dimensional fields reported on the model's native hybrid (isopycnal plus z-level) vertical coordinates (note: prior to June 6, 2007, these fields are interpolated to z-levels); and 2) hourly fields reported for the surface level only. Each daily model run produces a 24-hr hindcast as well as forecasts out to 120 hours.
  • Cite as: DOC/NOAA/NWS/NCEP/EMC/MMAB > Marine Modeling and Analysis Branch (2008). Output fields from the NOAA Atlantic Real-Time Ocean Forecast System (RTOFS) for 2006-05-31 to 2017-03-21. National Oceanographic Data Center, NOAA. Dataset. [access date]
gov.noaa.nodc:NCEP-RTOFS
Search Data
  • Granule Search (search)
    Search for data granules belonging to this collection (a granule is the smallest aggregation of data that can be independently described and retrieved).
Download Data
  • THREDDS (download)
    These data are available through a variety of services via a THREDDS (Thematic Real-time Environmental Distributed Data Services) Data Server (TDS). Depending on the dataset, the TDS can provide WMS, WCS, DAP, HTTP, and other data access and metadata services as well. For more information on the TDS, see http://www.unidata.ucar.edu/software/thredds/current/tds/.
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    Navigate directly to the URL for data access and direct download.
  • FTP (download)
    These data are available through the File Transfer Protocol (FTP). You may use any FTP client to download these data.
Distribution Formats
  • GRIB (Version: 1)
  • GRIB (Version: 2)
Ordering Instructions Data may be searched and downloaded using online services provided by NCEI using the online resource URLs in this record. Contact NCEI Information Services for custom orders. When requesting data from NCEI, the desired data set may be referred to by the unique package identification number listed in this metadata record.
Distributor DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
301-713-3277
NCEI.Info@noaa.gov
Dataset Point of Contact Information Services
DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
301-713-3277
NCEI.Info@noaa.gov
Time Period 2006-05-31 to 2017-03-21
Spatial Bounding Box Coordinates
N: 75.245
S: -26.5
E: 22.215
W: -105.03
Spatial Coverage Map
General Documentation
  • Dataset Description
    Navigate directly to the URL for a descriptive web page with download links.
Associated Resources
  • Documentation for the NOAA Atlantic Real-Time Ocean Forecast System (RTOFS) models from the NOAA National Centers for Environmental Prediction (NCEP) (NODC Accession 0026419)
  • Atlantic Real-Time Ocean Forecast System
Publication Dates
  • publication: 2008-01-08
  • revision: 2017-07-11
Data Presentation Form Digital table - digital representation of facts or figures systematically displayed, especially in columns
Dataset Progress Status Complete - production of the data has been completed
Data Update Frequency As needed
Supplemental Information
The dynamical model is HYCOM:
- The model uses curvilinear coordinates in the horizontal and hybrid vertical coordinates in the vertical.
- An overview of the HYbrid Coordinate Ocean Model (HYCOM)
- Orthogonal grid (1200 x 1684 points)
- 26 vertical coordinates (21 isopycnal, 5 z-level)
Surface Forcing:
- forcing fields from 3-hour NCEP (GDAS/GFS) model
Open Boundaries:
- Relaxed to NCEP climatology. Also relaxed to climatology in the Straits of Gibraltar region
Tides:
- M2, S2, N2, K1, P1, O1, K2, Q1 tidal modes - Body and boundary tides
Rivers:
- From daily USGS data and RIVDIS climatology
Data Assimilation:
- SST: from GOES AVHRR and in-situ
- SSH, T, S: using SLA from JASON GFO (not activated)
- T,S: from ARGOS, XBT, CTD (not activated)
Model Parameters:
- Time step: split-explicit 150 sec baroclinic, 5 sec barotropic
- Advection scheme: 2nd order Flux Corrected Transport (FCT) with density and salinity as the advected scalars
- Horizontal momentum viscosity: additive laplacian with biharmonic operators
--+ Laplacian: deformation factor = 0.1, diffusion velocity = 0.005 m/s
--+ Biharmonic: deformation factor = 0.0, diffusion velocity = 0.005 m/s
- Laplacian scalar diffusion (diffusion velocity: 0.005 m/s)
- Vertical viscosity and mixing: GISS
- Quadratic bottom friction coefficient: 0.003
- Bottom boundary layer thickness: 10 m

Documentation for RTOFS model output can be obtained from NODC Accession 0026419 (https://accession.nodc.noaa.gov/0026419). As it becomes available, new documentation about RTOFS model output and/or processing will be added to NODC Accession 0026419.
Purpose Basic research
Use Limitations
  • accessLevel: Public
  • 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 data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
  • From the data source: While Atlantic RTOFS is an operational model, we cannot guarantee the timeliness or accuracy of the model data and figures offered on this site. Please see our disclaimer for more information.
Dataset Citation
  • Cite as: DOC/NOAA/NWS/NCEP/EMC/MMAB > Marine Modeling and Analysis Branch (2008). Output fields from the NOAA Atlantic Real-Time Ocean Forecast System (RTOFS) for 2006-05-31 to 2017-03-21. National Oceanographic Data Center, NOAA. Dataset. [access date]
Cited Authors
  • DOC/NOAA/NWS/NCEP/EMC/MMAB > Marine Modeling and Analysis Branch
Contributors
Resource Providers
Points of Contact
Publishers
Theme keywords NODC DATA TYPES THESAURUS NODC OBSERVATION TYPES THESAURUS WMO_CategoryCode
  • oceanography
Global Change Master Directory (GCMD) Science and Services Keywords
  • EARTH SCIENCE > ATMOSPHERE > PRECIPITATION
  • EARTH SCIENCE > CLIMATE INDICATORS > ATMOSPHERIC/OCEAN INDICATORS > SURFACE SALINITY
  • EARTH SCIENCE > OCEANS > OCEAN CIRCULATION > OCEAN CURRENTS
  • EARTH SCIENCE > OCEANS > OCEAN CIRCULATION > OCEAN MIXED LAYER
  • EARTH SCIENCE > OCEANS > OCEAN HEAT BUDGET > HEAT FLUX
  • EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE
  • EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE
  • EARTH SCIENCE > OCEANS > SALINITY/DENSITY > DENSITY
  • EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY
  • EARTH SCIENCE > OCEANS > SEA SURFACE TOPOGRAPHY
Originator-supplied theme keywords
  • circulation
  • currents
  • data assimilation
  • eddy-resolving
  • fronts
  • model
  • ocean
  • ocean forecast
  • ocean model
  • salinity
  • sea-surface elevation
  • sea-surface height
  • temperature
  • velocity
Data Center keywords Global Change Master Directory (GCMD) Data Center Keywords
  • DOC/NOAA/NESDIS/NODC > National Oceanographic 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/NWS/NCEP > National Centers for Environmental Prediction, National Weather Service, NOAA, U.S. Department of Commerce
NODC COLLECTING INSTITUTION NAMES THESAURUS NODC SUBMITTING INSTITUTION NAMES THESAURUS
Place keywords NODC SEA AREA NAMES THESAURUS Global Change Master Directory (GCMD) Location Keywords
  • OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN
  • OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > CARIBBEAN SEA
  • OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF MAINE
  • OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF MEXICO
  • OCEAN > ATLANTIC OCEAN > SOUTH ATLANTIC OCEAN
Project keywords NODC PROJECT NAMES THESAURUS
Keywords NCEI ACCESSION NUMBER
Use Constraints
  • Cite as: DOC/NOAA/NWS/NCEP/EMC/MMAB > Marine Modeling and Analysis Branch (2008). Output fields from the NOAA Atlantic Real-Time Ocean Forecast System (RTOFS) for 2006-05-31 to 2017-03-21. National Oceanographic Data Center, NOAA. Dataset. [access date]
Access Constraints
  • 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.
Fees
  • Digital data may be downloaded from NCEI at no charge in most cases. For custom orders of digital data or to obtain a copy of analog materials, please contact NCEI Information Services for information about current fees.
Lineage information for: series
Processing Steps
  • 2010-12-01T17:58:57 - NCEI Accession 0068990 v1.1 was published.
  • 2010-12-16T23:59:52 - NCEI Accession 0045169 v1.1 was published.
  • 2010-12-22T06:06:43 - NCEI Accession 0046032 v1.1 was published.
  • 2011-01-05T00:54:52 - NCEI Accession 0046092 v1.1 was published.
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  • 2012-07-12T02:03:21 - NCEI Accession 0084919 was revised and v2.2 was published.
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  • 2017-03-05T13:09:28 - NCEI Accession 0161497 v1.1 was published.
  • 2017-04-03T19:49:55 - NCEI Accession 0026419 was revised and v1.2 was published.
  • 2017-06-05T17:35:08 - NCEI Accession 0162252 v1.1 was published.
  • 2017-06-07T15:08:18 - NCEI Accession 0123097 v1.1 was published.
  • 2017-07-11T12:52:42 - NCEI Accession 0087573 v1.1 was published.
Output Datasets
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.
Last Modified: 2018-03-21T13:05:29
For questions about the information on this page, please email: NODC.DataOfficer@noaa.gov