TerraFabric
Catalog
ECMWF / Copernicus C3S

ECMWF AIFS Ensemble Forecasts

OpenL4Data productForecast (NWP)

Data-driven ensemble forecast output for uncertainty-aware weather prediction. Check current stream inventories, member definitions and lead-time availability.

ECMWF forecast systems
Category
Models and forecasts
Update cadence
—
Latency
—
Archive
2026 – present
Instruments
Forecast model
Sources
ECMWF forecast systems
Formats
GRIB2
Pricing
Free
Licence
Creative Commons Attribution 4.0
IRI
terrafabric.world/id/collection/ecmwf-aifs-ensemble

Access

Access endpoints

  • https
    https://www.ecmwf.int/en/forecasts/datasets/set-x
    Catalog entry reviewed 2026-09-29; start denotes catalog inclusion, not archive inception. Nominal scope is not observed coverage. Consult source quality flags, effective periods and access requirements. No live footprint adapter is supplied for this discovery record.
  • https
    https://data.ecmwf.int/forecasts/
    Official free rolling forecast subset; select current model, stream and cycle. CC BY 4.0 attribution and ECMWF terms apply.

Licence

Creative Commons Attribution 4.0

Share and adapt for any purpose with attribution.

open: trueattribution: truecommercial use: true

Related

Machine view

{
  "@context": {
    "AcademicProvider": "tf:AcademicProvider",
    "AccessMethod": "tf:AccessMethod",
    "Agent": "tf:Agent",
    "AgentAction": "tf:AgentAction",
    "AirbornePlatform": "tf:AirbornePlatform",
    "ApprovalAction": "tf:ApprovalAction",
    "AreaOfInterest": "tf:AreaOfInterest",
    "Asset": "tf:Asset",
    "AvailabilityEvent": "tf:AvailabilityEvent",
    "C2System": "tf:C2System",
    "Collection": "tf:Collection",
    "CollectionRequirement": "tf:CollectionRequirement",
    "CommercialLicense": "tf:CommercialLicense",
    "CommercialProvider": "tf:CommercialProvider",
    "Constellation": "tf:Constellation",
    "CoverageAssessment": "tf:CoverageAssessment",
    "DataCategory": "tf:DataCategory",
    "DataFormat": "tf:DataFormat",
    "DataProductCollection": "tf:DataProductCollection",
    "DataTier": "tf:DataTier",
    "Delivery": "tf:Delivery",
    "GovernmentAgency": "tf:GovernmentAgency",
    "Instrument": "tf:Instrument",
    "Item": "tf:Item",
    "License": "tf:License",
    "LicenseTier": "tf:LicenseTier",
    "Modality": "tf:Modality",
    "Offer": "tf:Offer",
    "OpenLicense": "tf:OpenLicense",
    "Order": "tf:Order",
    "OrderAction": "tf:OrderAction",
    "Place": "tf:Place",
    "Platform": "tf:Platform",
    "PreprocessedCollection": "tf:PreprocessedCollection",
    "PricingModel": "tf:PricingModel",
    "Principal": "tf:Principal",
    "Priority": "tf:Priority",
    "ProcessingLevel": "tf:ProcessingLevel",
    "Provider": "tf:Provider",
    "Quote": "tf:Quote",
    "QuoteAction": "tf:QuoteAction",
    "RawDataCollection": "tf:RawDataCollection",
    "ReleasabilityMarking": "tf:ReleasabilityMarking",
    "RestrictedLicense": "tf:RestrictedLicense",
    "Satellite": "tf:Satellite",
    "SearchAction": "tf:SearchAction",
    "SpaceAgency": "tf:SpaceAgency",
    "SpatialExtent": "tf:SpatialExtent",
    "SpectralBand": "tf:SpectralBand",
    "SpendingMandate": "tf:SpendingMandate",
    "StreetAddress": "tf:StreetAddress",
    "TaskAction": "tf:TaskAction",
    "TaskingRequest": "tf:TaskingRequest",
    "TemporalExtent": "tf:TemporalExtent",
    "Tool": "tf:Tool",
    "about": {
      "@id": "tf:about",
      "@type": "@id"
    },
    "accessClass": {
      "@id": "tf:accessClass",
      "@type": "xsd:string"
    },
    "accessKind": {
      "@id": "tf:accessKind",
      "@type": "xsd:string"
    },
    "accessibleVia": {
      "@id": "tf:accessibleVia",
      "@type": "@id"
    },
    "acquiredAt": {
      "@id": "tf:acquiredAt",
      "@type": "xsd:dateTime"
    },
    "actsOn": {
      "@id": "tf:actsOn",
      "@type": "@id"
    },
    "addresses": {
      "@id": "tf:addresses",
      "@type": "@id"
    },
    "allWeather": {
      "@id": "tf:allWeather",
      "@type": "xsd:boolean"
    },
    "aoi": {
      "@id": "tf:aoi",
      "@type": "@id"
    },
    "approvedBy": {
      "@id": "tf:approvedBy",
      "@type": "@id"
    },
    "archiveUsdPerKm2": {
      "@id": "tf:archiveUsdPerKm2",
      "@type": "xsd:decimal"
    },
    "areaKm2": {
      "@id": "tf:areaKm2",
      "@type": "xsd:decimal"
    },
    "asWKT": {
      "@id": "tf:asWKT",
      "@type": "geo:wktLiteral"
    },
    "bandCount": {
      "@id": "tf:bandCount",
      "@type": "xsd:integer"
    },
    "bbox": {
      "@id": "tf:bbox",
      "@type": "xsd:string"
    },
    "cloudCover": {
      "@id": "tf:cloudCover",
      "@type": "xsd:decimal"
    },
    "country": {
      "@id": "tf:country",
      "@type": "xsd:string"
    },
    "dataCategory": {
      "@id": "tf:dataCategory",
      "@type": "@id"
    },
    "dataTier": {
      "@id": "tf:dataTier",
      "@type": "@id"
    },
    "dcat": "http://www.w3.org/ns/dcat#",
    "dct": "http://purl.org/dc/terms/",
    "derivedFrom": {
      "@id": "tf:derivedFrom",
      "@type": "@id"
    },
    "description": "dct:description",
    "endDate": {
      "@id": "tf:endDate",
      "@type": "xsd:date"
    },
    "endpointURL": {
      "@id": "tf:endpointURL",
      "@type": "xsd:anyURI"
    },
    "format": {
      "@id": "tf:format",
      "@type": "@id"
    },
    "fulfils": {
      "@id": "tf:fulfils",
      "@type": "@id"
    },
    "geo": "http://www.opengis.net/ont/geosparql#",
    "governedBy": {
      "@id": "tf:governedBy",
      "@type": "@id"
    },
    "gsdMeters": {
      "@id": "tf:gsdMeters",
      "@type": "xsd:decimal"
    },
    "hasAsset": {
      "@id": "tf:hasAsset",
      "@type": "@id"
    },
    "hasDelivery": {
      "@id": "tf:hasDelivery",
      "@type": "@id"
    },
    "hasInstrument": {
      "@id": "tf:hasInstrument",
      "@type": "@id"
    },
    "hasItem": {
      "@id": "tf:hasItem",
      "@type": "@id"
    },
    "hasModality": {
      "@id": "tf:hasModality",
      "@type": "@id"
    },
    "hasOffer": {
      "@id": "tf:hasOffer",
      "@type": "@id"
    },
    "hasPlatform": {
      "@id": "tf:hasPlatform",
      "@type": "@id"
    },
    "hosts": {
      "@id": "tf:hosts",
      "@type": "@id"
    },
    "httpMethod": "schema:httpMethod",
    "id": "@id",
    "identifier": "dct:identifier",
    "inCollection": {
      "@id": "tf:inCollection",
      "@type": "@id"
    },
    "invokesTool": {
      "@id": "tf:invokesTool",
      "@type": "@id"
    },
    "isOpen": {
      "@id": "tf:isOpen",
      "@type": "xsd:boolean"
    },
    "keyword": "dcat:keyword",
    "label": "rdfs:label",
    "latencyHours": {
      "@id": "tf:latencyHours",
      "@type": "xsd:decimal"
    },
    "license": {
      "@id": "tf:license",
      "@type": "@id"
    },
    "licenseTier": {
      "@id": "tf:licenseTier",
      "@type": "@id"
    },
    "maxOrderUsd": {
      "@id": "tf:maxOrderUsd",
      "@type": "xsd:decimal"
    },
    "minimumAreaKm2": {
      "@id": "tf:minimumAreaKm2",
      "@type": "xsd:decimal"
    },
    "multiplier": {
      "@id": "tf:multiplier",
      "@type": "xsd:decimal"
    },
    "name": "schema:name",
    "nightCapable": {
      "@id": "tf:nightCapable",
      "@type": "xsd:boolean"
    },
    "odrl": "http://www.w3.org/ns/odrl/2/",
    "offNadirDeg": {
      "@id": "tf:offNadirDeg",
      "@type": "xsd:decimal"
    },
    "onBehalfOf": {
      "@id": "tf:onBehalfOf",
      "@type": "@id"
    },
    "operatedBy": {
      "@id": "tf:operatedBy",
      "@type": "@id"
    },
    "owl": "http://www.w3.org/2002/07/owl#",
    "placedBy": {
      "@id": "tf:placedBy",
      "@type": "@id"
    },
    "polarization": {
      "@id": "tf:polarization",
      "@type": "xsd:string"
    },
    "potentialAction": "schema:potentialAction",
    "priceCurrency": "schema:priceCurrency",
    "pricingModel": {
      "@id": "tf:pricingModel",
      "@type": "@id"
    },
    "priority": {
      "@id": "tf:priority",
      "@type": "@id"
    },
    "processingLevel": {
      "@id": "tf:processingLevel",
      "@type": "@id"
    },
    "prov": "http://www.w3.org/ns/prov#",
    "providedBy": {
      "@id": "tf:providedBy",
      "@type": "@id"
    },
    "quotesCollection": {
      "@id": "tf:quotesCollection",
      "@type": "@id"
    },
    "rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
    "rdfs": "http://www.w3.org/2000/01/rdf-schema#",
    "releasability": {
      "@id": "tf:releasability",
      "@type": "@id"
    },
    "revisitHours": {
      "@id": "tf:revisitHours",
      "@type": "xsd:decimal"
    },
    "sarBand": {
      "@id": "tf:sarBand",
      "@type": "xsd:string"
    },
    "satisfiedBy": {
      "@id": "tf:satisfiedBy",
      "@type": "@id"
    },
    "schema": "https://schema.org/",
    "skos": "http://www.w3.org/2004/02/skos/core#",
    "sosa": "http://www.w3.org/ns/sosa/",
    "spatialExtent": {
      "@id": "tf:spatialExtent",
      "@type": "@id"
    },
    "spectralRange": {
      "@id": "tf:spectralRange",
      "@type": "xsd:string"
    },
    "ssn": "http://www.w3.org/ns/ssn/",
    "startDate": {
      "@id": "tf:startDate",
      "@type": "xsd:date"
    },
    "status": {
      "@id": "tf:status",
      "@type": "xsd:string"
    },
    "subscriptionUsdPerMonth": {
      "@id": "tf:subscriptionUsdPerMonth",
      "@type": "xsd:decimal"
    },
    "target": "schema:target",
    "taskable": {
      "@id": "tf:taskable",
      "@type": "xsd:boolean"
    },
    "taskingUsdPerKm2": {
      "@id": "tf:taskingUsdPerKm2",
      "@type": "xsd:decimal"
    },
    "temporalExtent": {
      "@id": "tf:temporalExtent",
      "@type": "@id"
    },
    "tf": "https://terrafabric.world/ont#",
    "tfr": "https://terrafabric.world/id/",
    "title": "dct:title",
    "toolName": {
      "@id": "tf:toolName",
      "@type": "xsd:string"
    },
    "totalUsd": {
      "@id": "tf:totalUsd",
      "@type": "xsd:decimal"
    },
    "type": "@type",
    "url": "schema:url",
    "urlTemplate": "schema:urlTemplate",
    "validUntil": {
      "@id": "tf:validUntil",
      "@type": "xsd:dateTime"
    },
    "windowHours": {
      "@id": "tf:windowHours",
      "@type": "xsd:decimal"
    },
    "xsd": "http://www.w3.org/2001/XMLSchema#"
  },
  "accessClass": "free",
  "accessibleVia": [
    {
      "accessKind": "https",
      "endpointURL": "https://www.ecmwf.int/en/forecasts/datasets/set-x",
      "type": "AccessMethod"
    },
    {
      "accessKind": "https",
      "endpointURL": "https://data.ecmwf.int/forecasts/",
      "type": "AccessMethod"
    }
  ],
  "allWeather": false,
  "dataTier": "tf:tier-product",
  "description": "Data-driven ensemble forecast output for uncertainty-aware weather prediction. Check current stream inventories, member definitions and lead-time availability.",
  "format": [
    {
      "id": "https://terrafabric.world/id/format/grib2",
      "label": "GRIB2"
    }
  ],
  "hasInstrument": [
    {
      "id": "https://terrafabric.world/id/instrument/forecast-model",
      "label": "Forecast model"
    }
  ],
  "hasModality": [
    "tf:modality-nwp"
  ],
  "hasPlatform": [
    {
      "id": "https://terrafabric.world/id/platform/ecmwf-forecast-systems",
      "label": "ECMWF forecast systems"
    }
  ],
  "id": "https://terrafabric.world/id/collection/ecmwf-aifs-ensemble",
  "identifier": "ecmwf-aifs-ensemble",
  "keyword": [
    "weather",
    "prediction",
    "AIFS",
    "ensemble"
  ],
  "license": "https://terrafabric.world/id/license/cc-by-4.0",
  "nightCapable": false,
  "potentialAction": [
    {
      "@type": [
        "SearchAction",
        "schema:SearchAction"
      ],
      "name": "search_items",
      "target": {
        "@type": "schema:EntryPoint",
        "httpMethod": "GET",
        "urlTemplate": "https://terrafabric.world/api/v1/collections/ecmwf-aifs-ensemble/items?bbox={bbox}&datetime={datetime}"
      }
    },
    {
      "@type": "QuoteAction",
      "name": "get_quote",
      "target": {
        "@type": "schema:EntryPoint",
        "contentType": "application/json",
        "httpMethod": "POST",
        "urlTemplate": "https://terrafabric.world/api/v1/quotes"
      }
    }
  ],
  "processingLevel": "tf:level-L4",
  "providedBy": {
    "id": "https://terrafabric.world/id/provider/ecmwf",
    "label": "ECMWF / Copernicus C3S",
    "url": "https://cds.climate.copernicus.eu"
  },
  "spatialExtent": {
    "asWKT": "POLYGON((-180 -90,180 -90,180 90,-180 90,-180 -90))",
    "bbox": "-180,-90,180,90",
    "type": "SpatialExtent"
  },
  "taskable": false,
  "temporalExtent": {
    "startDate": "2026-09-29",
    "type": "TemporalExtent"
  },
  "title": "ECMWF AIFS Ensemble Forecasts",
  "type": [
    "DataProductCollection",
    "dcat:Dataset"
  ]
}