NOAA GOES-R Series Advanced Baseline Imager (ABI) Level 2 Cloud Top Phase (ACTP)


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            title:  NOAA GOES-R Series Advanced Baseline Imager (ABI) Level 2 Cloud Top Phase (ACTP)
            alternateTitle:  ABI-L2-ACTP
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                date:  2018-02-22
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                  Anchor:  DOI doi:10.7289/V5NP22QW
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        abstract:  The Cloud Top Phase product contains an image with pixel values identifying the presence of cloud in four phase categories. The categories, which are consistent with heritage NOAA and NASA cloud products, include: Warm liquid water: liquid water cloud with an opaque cloud temperature greater than 273 degrees K; Supercooled liquid water: liquid water topped cloud with an opaque cloud temperature less than 273 degrees K; Mixed phase clouds: high probability of containing both liquid water and ice near cloud top; Ice phase clouds: all ice topped clouds. The Cloud Top Phase product image data variable also has categories for clear sky and unknown phases. A pixel is classified as having an unknown phase when the retrieval has failed because of missing or bad input data. The product includes data quality information that provides an assessment of the the cloud top phase data values for on-earth pixels. The cloud top phase value is a dimensionless quantity which is provided at 2 km resolution on the ABI fixed grid for Full Disk, CONUS, and Mesoscale coverage regions. Product data is produced for geolocated source data to local zenith angles of 90 degrees for both daytime and nighttime conditions.
        purpose:  The Cloud Type algorithm will use four GOES-R ABI infrared spectral bands to determine four different cloud phases: warm (>0C) liquid water, supercooled liquid water, mixed, and ice. The Cloud Phase product is a prerequisite for generating other downstream products that include Cloud Height, Cloud Optical Properties, Fog Detection/Depth, and Aircraft Icing. The Cloud Top Phase product will enable meteorologists to better monitor and track changes in the water properties of clouds, improve icing forecasts for the aviation community, and aid in improving warnings for severe weather. Cloud Phase product information can also be used in advanced ABI applications such as severe weather prediction and tropical cyclone intensity estimation.
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            otherConstraints:  Cite as: GOES-R Algorithm Working Group and GOES-R Program Office, (2018): NOAA GOES-R Series Advanced Baseline Imager (ABI) Level 2 Cloud Top Phase (ACTP). [indicated subset used]. NOAA National Centers for Environmental Information. doi:10.7289/V5NP22QW [access date].
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            otherConstraints:  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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                title:  A closer look at the ABI on the GOES-R series.
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                    date:  2017-04-24
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                    code:  doi:10.1175/BAMS-D-15-00230.1
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                            name:  Journal article published April 2017 by the AMS (Bulletin of the American Meteorlogical Society)
                            description:  Schmit, T., Griffith, P., et al, (2017), A closer look at the ABI on the GOES-R series, Bull. Amer. Meteor. Soc., 98(4), 681–698, doi:10.1175/BAMS-D-15-00230.1.
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                southBoundLatitude:  -81.3282
                northBoundLatitude:  81.3282
            geographicElement:  (EX_GeographicBoundingBox)
                extentTypeCode:  1
                westBoundLongitude:  141.7005
                eastBoundLongitude:  -55.7005
                southBoundLatitude:  -81.3282
                northBoundLatitude:  81.3282
            temporalElement:  (EX_TemporalExtent)
                extent:
                  TimePeriod:
                    description:  ground condition
                    beginPosition:  2017-05-16
                    endPosition:
                    timeInterval:  15
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    contentInfo:  (MI_CoverageDescription)
        attributeDescription:
          RecordType:  OR_ABI-L2-ACTPC-Mode_G16_sYYYYDDDHHMMSS_eYYYYDDDHHMMSS_cYYYYDDDHHMMSS.nc
        contentType:  (MD_CoverageContentTypeCode) physicalMeasurement
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  Phase
                attributeType:
                  TypeName:
                    aName:  byte
            descriptor:  ABI L2+ Cloud Top Phase (cloud_phase_category)
            units:  http://example.org/someUnitsDictionary.xml#1
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  DQF
                attributeType:
                  TypeName:
                    aName:  byte
            descriptor:  ABI L2+ Cloud Top Phase data quality flags (status_flag)
            units:  http://example.org/someUnitsDictionary.xml#1
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  t
                attributeType:
                  TypeName:
                    aName:  double
            descriptor:  J2000 epoch mid-point between the start and end image scan in seconds (time)
            units:  http://example.org/someUnitsDictionary.xml#seconds%20since%202000-01-01%2012%3A00%3A00
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  y
                attributeType:
                  TypeName:
                    aName:  short
            descriptor:  GOES fixed grid projection y-coordinate (projection_y_coordinate)
            units:  http://example.org/someUnitsDictionary.xml#rad
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  x
                attributeType:
                  TypeName:
                    aName:  short
            descriptor:  GOES fixed grid projection x-coordinate (projection_x_coordinate)
            units:  http://example.org/someUnitsDictionary.xml#rad
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  time_bounds
                attributeType:
                  TypeName:
                    aName:  double
            descriptor:  Scan start and end times in seconds since epoch (2000-01-01 12:00:00)
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  goes_imager_projection
                attributeType:
                  TypeName:
                    aName:  int
            descriptor:  GOES-R ABI fixed grid projection
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  y_image
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  GOES-R fixed grid projection y-coordinate center of image (projection_y_coordinate)
            units:  http://example.org/someUnitsDictionary.xml#rad
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  y_image_bounds
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  GOES-R fixed grid projection y-coordinate north/south extent of image
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  x_image
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  GOES-R fixed grid projection x-coordinate center of image (projection_x_coordinate)
            units:  http://example.org/someUnitsDictionary.xml#rad
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  x_image_bounds
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  GOES-R fixed grid projection x-coordinate west/east extent of image
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  nominal_satellite_subpoint_lat
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  nominal satellite subpoint latitude (platform latitude) (latitude)
            units:  http://example.org/someUnitsDictionary.xml#degrees_north
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  nominal_satellite_subpoint_lon
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  nominal satellite subpoint longitude (platform longitude) (longitude)
            units:  http://example.org/someUnitsDictionary.xml#degrees_east
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  nominal_satellite_height
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  nominal satellite height above GRS 80 ellipsoid (platform altitude) (height_above_reference_ellipsoid)
            units:  http://example.org/someUnitsDictionary.xml#km
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  geospatial_lat_lon_extent
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  geospatial latitude and longitude references
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  total_number_cloudy_pixels
                attributeType:
                  TypeName:
                    aName:  int
            descriptor:  number of cloudy pixels with cloud phase category of liquid_water, super_cooled_liquid_water, mixed_phase, or ice
            units:  http://example.org/someUnitsDictionary.xml#count
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  algorithm_dynamic_input_data_container
                attributeType:
                  TypeName:
                    aName:  int
            descriptor:  container for filenames of dynamic algorithm input data
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  processing_parm_version_container
                attributeType:
                  TypeName:
                    aName:  int
            descriptor:  container for processing parameter filenames
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  algorithm_product_version_container
                attributeType:
                  TypeName:
                    aName:  int
            descriptor:  container for algorithm package filename and product version
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  retrieval_local_zenith_angle
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  threshold angle between the line of sight to the satellite and the local zenith at the observation target for good or degraded quality cloud top phase data production (platform_zenith_angle)
            units:  http://example.org/someUnitsDictionary.xml#degree
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  quantitative_local_zenith_angle
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  threshold angle between the line of sight to the satellite and the local zenith at the observation target for good quality cloud top phase data production (platform_zenith_angle)
            units:  http://example.org/someUnitsDictionary.xml#degree
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  retrieval_local_zenith_angle_bounds
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  local zenith angle degree range where good or degraded quality cloud top phase data is produced
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  quantitative_local_zenith_angle_bounds
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  local zenith angle degree range where good quality cloud top phase data is produced
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  solar_zenith_angle
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  threshold angle between the line of sight to the sun and the local zenith at the observation target for good quality cloud top phase data production (solar_zenith_angle)
            units:  http://example.org/someUnitsDictionary.xml#degree
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  solar_zenith_angle_bounds
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  solar zenith angle degree range where good quality cloud top phase data is produced
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  percent_uncorrectable_GRB_errors
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  percent data lost due to uncorrectable GRB errors
            units:  http://example.org/someUnitsDictionary.xml#percent
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  percent_uncorrectable_L0_errors
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  percent data lost due to uncorrectable L0 errors
            units:  http://example.org/someUnitsDictionary.xml#percent
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    distributionInfo:  (MD_Distribution)
        distributor:  (MD_Distributor)
            distributorContact:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
                positionName:  Customer Engagement Branch
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  1-828-271-4800
                        facsimile:  1-828-271-4876
                    address:  (CI_Address)
                        deliveryPoint:  151 Patton Avenue
                        deliveryPoint:  Veach-Baley Federal Building, Room 468
                        city:  Asheville
                        administrativeArea:  NC
                        postalCode:  28801-5001
                        country:  USA
                        electronicMailAddress:  ncei.orders@noaa.gov
                    onlineResource:  (CI_OnlineResource)
                        linkage: https://www.ncei.noaa.gov
                        protocol:  HTTPS
                        applicationProfile:  Web Browser
                        name:  NOAA National Centers for Environmental Information (NCEI)
                        description:  NCEI home page with information, data access and contact information.
                        function:  (CI_OnLineFunctionCode) information
                    hoursOfService:  8:00 - 6:00 Eastern
                role:  (CI_RoleCode) distributor
            distributionOrderProcess:  (MD_StandardOrderProcess)
                fees:  In most cases, electronic downloads of the data are free, however fees may apply for data certifications, copies of analog materials, and data distribution on physical media.
            distributorFormat:  (MD_Format)
                name:  NetCDF
                version:  4
            distributorTransferOptions:  (MD_DigitalTransferOptions)
                onLine:  (CI_OnlineResource)
                    linkage: https://doi.org/10.7289/V5NP22QW
                    protocol:  HTTPS
                    applicationProfile:  Landing Page
                    name:  NCEI landing page for this dataset
                    description:  Dataset landing page with general information and links to access the data.
                    function:  (CI_OnLineFunctionCode) information
                onLine:  (CI_OnlineResource)
                    linkage: https://www.ncdc.noaa.gov/airs-web/search
                    protocol:  HTTPS
                    applicationProfile:  Data Search Application
                    name:  NCEI Archive Information Request System
                    description:  Search the data archive and submit an order for the dataset via the interface.
                    function:  (CI_OnLineFunctionCode) order
                onLine:  (CI_OnlineResource)
                    linkage: http://www.class.noaa.gov/saa/products/search?datatype_family=GRABIPRD
                    protocol:  HTTPS
                    applicationProfile:  Data Search Application
                    name:  NOAA CLASS Data Search and Order
                    description:  Search the data archive and submit an order for the dataset via the interface.
                    function:  (CI_OnLineFunctionCode) order
                onLine:  (CI_OnlineResource)
                    linkage: https://www.ncdc.noaa.gov/data-access/satellite-data/goes-r-series-satellites
                    protocol:  HTTPS
                    applicationProfile:  Information
                    name:  NCEI GOES-R Program Webpage
                    description:  Webpage with product README files, general information, and data access links.
                    function:  (CI_OnLineFunctionCode) information
                onLine:  (CI_OnlineResource)
                    linkage: http://www.goes-r.gov/resources/docs.html
                    applicationProfile:  Information
                    name:  GOES-R Program Document Library
                    description:  Webpage with product algorithm, users guides, and education and outreach materials.
                    function:  (CI_OnLineFunctionCode) information
                onLine:  (CI_OnlineResource)
                    linkage: http://www.goes-r.gov/users/docs/PUG-main-vol1.pdf
                    applicationProfile:  Documentation
                    name:  Product Definition and Users' Guide (PUG) Vol.1 Main
                    description:  The Product Definition and User's Guide (PUG) document provides product descriptions and formats for all data and products produced and made available to users by the Geostationary Operational Environmental Satellite R Series (GOES-R) Core Ground Segment (GS).
                    function:  (CI_OnLineFunctionCode) information
                onLine:  (CI_OnlineResource)
                    linkage: http://www.goes-r.gov/products/docs/PUG-L2+-vol5.pdf
                    applicationProfile:  Documentation
                    name:  Product Definition and Users' Guide (PUG) Vol.5 Level 2+ Products
                    description:  The Product Definition and User's Guide (PUG) document provides product descriptions and formats for all data and products produced and made available to users by the Geostationary Operational Environmental Satellite R Series (GOES-R) Core Ground Segment (GS).
                    function:  (CI_OnLineFunctionCode) information
                onLine:  (CI_OnlineResource)
                    linkage: http://www.goes-r.gov/education/ABI-bands-quick-info.html
                    applicationProfile:  Information
                    name:  ABI Bands Quick Information Guides
                    description:  The fact sheets are designed as quick reference guides to provide users with information on each of the GOES-R series Advanced Baseline Imager's 16 spectral bands.
                    function:  (CI_OnLineFunctionCode) information
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) dataset
            extent:  #boundingExtent
        lineage:  (LI_Lineage)
            statement:  These data were produced by the NOAA Office of Satellite and Product Operations (OSPO) and are archived at the NOAA National Centers for Environmental Information (NCEI).
            processStep:  (LE_ProcessStep)
                description:  The Cloud Top Phase product is generated by the GOES-R ABI Cloud Type ground processing algorithm. The algorithm determines the cloud top phase for pixels identified as cloudy, probably cloudy, and probably clear in the intermediate 4-level cloud mask generated by the Cloud Mask algorithm. Clear sky is determined using clear pixels indicated in the temporally coincident intermediate 4-level cloud mask generated by the Cloud Mask algorithm.
                dateTime: (missing)
                processor:  (CI_ResponsibleParty)
                    organisationName:  DOC/NOAA/NESDIS/OSPO > Office of Satellite and Product Operations, NESDIS, NOAA, U.S. Department of Commerce
                    role:  (CI_RoleCode) processor
                source:  sd001
                processingInformation:  (LE_Processing)
                    identifier: (missing)
                    algorithm:  (LE_Algorithm)
                        citation:  (CI_Citation)
                            title:  GOES-R Algorithm Theoretical Basis Documents
                            date:  (CI_Date)
                                date:  2010-09-15
                                dateType:  (CI_DateTypeCode) publication
                            edition:  Version 2.0
                            citedResponsibleParty:  (CI_ResponsibleParty)
                                organisationName:  DOC/NOAA/NESDIS/STAR > Center for Satellite Applications and Research, NESDIS, NOAA, U.S. Department of Commerce
                                role:  (CI_RoleCode) publisher
                            citedResponsibleParty:  (CI_ResponsibleParty)
                                organisationName: (missing)
                                contactInfo:  (CI_Contact)
                                    onlineResource:  (CI_OnlineResource)
                                        linkage: http://www.goes-r.gov/products/ATBDs/baseline/Cloud_CldType_v2.0_no_color.pdf
                                        applicationProfile:  Web Browser
                                        name:  GOES-R Algorithm Theoretical Basis Document for the Cloud Top Phase (ACTP) product
                                        description:  Algorithm documentation for GOES-16 ABI Cloud Type and Phase.
                                        function:  (CI_OnLineFunctionCode) information
                                role: (missing)
                        description:  See Algorithm Citation
            processStep:  (LE_ProcessStep)
                description:  The GOES-16 ABI Cloud Phase algorithm reached beta maturity.
                dateTime:
                  DateTime:  2017-05-16T00:00:00
                processor:  (CI_ResponsibleParty)
                    organisationName: (missing)
                    role:  (CI_RoleCode) processor
            processStep:  (LE_ProcessStep)
                description:  The GOES-16 ABI Cloud Phase algorithm reached provisional maturity.
                dateTime:
                  DateTime:  2018-02-22T00:00:00
                processor:  (CI_ResponsibleParty)
                    organisationName: (missing)
                    role:  (CI_RoleCode) processor
            processStep:  (LE_ProcessStep)
                description:  The GOES-16 ABI Cloud Phase algorithm reached full validation maturity.
                dateTime: (missing)
                processor:  (CI_ResponsibleParty)
                    organisationName: (missing)
                    role:  (CI_RoleCode) processor
            processStep:  (LE_ProcessStep)
                description:  The GOES-17 ABI Cloud Phase algorithm reached beta maturity.
                dateTime:
                  DateTime:  2018-08-27T00:00:00
                processor:  (CI_ResponsibleParty)
                    organisationName: (missing)
                    role:  (CI_RoleCode) processor
            processStep:  (LE_ProcessStep)
                description:  The GOES-17 ABI Cloud Phase algorithm reached provisional maturity.
                dateTime: (missing)
                processor:  (CI_ResponsibleParty)
                    organisationName: (missing)
                    role:  (CI_RoleCode) processor
            processStep:  (LE_ProcessStep)
                description:  The GOES-17 ABI Cloud Phase algorithm reached full validation maturity.
                dateTime: (missing)
                processor:  (CI_ResponsibleParty)
                    organisationName: (missing)
                    role:  (CI_RoleCode) processor
            source:  (LE_Source)
                description:  Level 1b radiances
                sourceCitation:  (CI_Citation)
                    title:  NOAA GOES-R Series Advanced Baseline Imager (ABI) Level 1b Radiances
                    date:  (CI_Date)
                        date:  2017-06-01
                        dateType:  (CI_DateTypeCode) publication
                    edition:  Provisional
                    identifier:  (MD_Identifier)
                        code:  doi:10.7289/V5BV7DSR
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
                        role:  (CI_RoleCode) distributor
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName: (missing)
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: https://doi.org/10.7289/V5BV7DSR
                                protocol:  HTTPS
                                applicationProfile:  Web Browser
                                name:  NCEI landing page for ABI-L1B-RAD
                                description:  Source dataset landing page with general information and access links for the dataset.
                                function:  (CI_OnLineFunctionCode) information
                        role: (missing)
                sourceExtent:  (EX_Extent)
                    geographicElement:  (EX_GeographicBoundingBox)
                        extentTypeCode:  1
                        westBoundLongitude:  -156.2995
                        eastBoundLongitude:  6.2995
                        southBoundLatitude:  -81.3282
                        northBoundLatitude:  81.3282
                    geographicElement:  (EX_GeographicBoundingBox)
                        extentTypeCode:  1
                        westBoundLongitude:  141.7005
                        eastBoundLongitude:  -55.7005
                        southBoundLatitude:  -81.3282
                        northBoundLatitude:  81.3282
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:  2017-02-28
                            endPosition:
                sourceStep:  ps001
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) repository
            levelDescription:  (MD_ScopeDescription)
                other:  NOAA National Centers for Environmental Information
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  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.
                dateTime:
                  DateTime:  2015-04-22T00:00:00
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        maintenanceNote:  Bulk metadata change applied on 2018-11-05. See version control repository history for metadata change details.