openapi: 3.1.2
info:
  title: weather.gov Alerts Zones API
  description: weather.gov API
  version: 3.8.1
  x-last-validated: '2026-05-03'
servers:
- url: https://api.weather.gov
  description: Production server
security:
- userAgent: []
- apiKeyAuth: []
tags:
- name: Zones
paths:
  /zones:
    get:
      description: Returns a list of zones
      operationId: zone_list
      parameters:
      - name: id
        in: query
        description: Zone ID (forecast or county)
        style: form
        explode: false
        schema:
          type: array
          items:
            $ref: '#/components/schemas/NWSZoneID'
        example:
        - example-value
      - name: area
        in: query
        description: State/marine area code
        style: form
        explode: false
        schema:
          type: array
          items:
            $ref: '#/components/schemas/AreaCode'
        example:
        - example-value
      - name: region
        in: query
        description: Region code
        style: form
        explode: false
        schema:
          type: array
          items:
            $ref: '#/components/schemas/RegionCode'
        example:
        - example-value
      - name: type
        in: query
        description: Zone type
        style: form
        explode: false
        schema:
          type: array
          items:
            $ref: '#/components/schemas/NWSZoneType'
        example:
        - land
      - name: point
        in: query
        description: Point (latitude,longitude)
        schema:
          $ref: '#/components/schemas/PointString'
      - name: include_geometry
        in: query
        description: Include geometry in results (true/false)
        schema:
          type: boolean
        example: true
      - name: limit
        in: query
        description: Limit
        schema:
          minimum: 1
          type: integer
        example: 20
      - name: effective
        in: query
        description: Effective date/time
        schema:
          type: string
          format: date-time
        example: '2026-05-03T14:30:00Z'
      responses:
        '200':
          description: success
          headers:
            X-Correlation-Id:
              $ref: '#/components/headers/CorrelationId'
            X-Request-Id:
              $ref: '#/components/headers/RequestId'
            X-Server-Id:
              $ref: '#/components/headers/ServerId'
          content:
            application/geo+json:
              schema:
                $ref: '#/components/schemas/ZoneCollectionGeoJson'
            application/ld+json:
              schema:
                $ref: '#/components/schemas/ZoneCollectionJsonLd'
        default:
          $ref: '#/components/responses/Error'
      summary: Weather.gov Returns a List of Zones
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - Zones
  /zones/{type}:
    parameters:
    - name: type
      in: path
      description: Zone type
      required: true
      schema:
        $ref: '#/components/schemas/NWSZoneType'
    get:
      description: Returns a list of zones of a given type
      operationId: zone_list_type
      parameters:
      - name: id
        in: query
        description: Zone ID (forecast or county)
        style: form
        explode: false
        schema:
          type: array
          items:
            $ref: '#/components/schemas/NWSZoneID'
        example:
        - example-value
      - name: area
        in: query
        description: State/marine area code
        style: form
        explode: false
        schema:
          type: array
          items:
            $ref: '#/components/schemas/AreaCode'
        example:
        - example-value
      - name: region
        in: query
        description: Region code
        style: form
        explode: false
        schema:
          type: array
          items:
            $ref: '#/components/schemas/RegionCode'
        example:
        - example-value
      - name: type
        in: query
        description: Zone type
        style: form
        explode: false
        schema:
          type: array
          items:
            $ref: '#/components/schemas/NWSZoneType'
        example:
        - land
      - name: point
        in: query
        description: Point (latitude,longitude)
        schema:
          $ref: '#/components/schemas/PointString'
      - name: include_geometry
        in: query
        description: Include geometry in results (true/false)
        schema:
          type: boolean
        example: true
      - name: limit
        in: query
        description: Limit
        schema:
          minimum: 1
          type: integer
        example: 80
      - name: effective
        in: query
        description: Effective date/time
        schema:
          type: string
          format: date-time
        example: '2026-05-03T14:30:00Z'
      responses:
        '200':
          description: success
          headers:
            X-Correlation-Id:
              $ref: '#/components/headers/CorrelationId'
            X-Request-Id:
              $ref: '#/components/headers/RequestId'
            X-Server-Id:
              $ref: '#/components/headers/ServerId'
          content:
            application/geo+json:
              schema:
                $ref: '#/components/schemas/ZoneCollectionGeoJson'
            application/ld+json:
              schema:
                $ref: '#/components/schemas/ZoneCollectionJsonLd'
        default:
          $ref: '#/components/responses/Error'
      summary: Weather.gov Returns a List of Zones of a Given Type
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - Zones
  /zones/{type}/{zoneId}:
    parameters:
    - name: type
      in: path
      description: Zone type
      required: true
      schema:
        $ref: '#/components/schemas/NWSZoneType'
    - $ref: '#/components/parameters/NWSZoneId'
    get:
      description: Returns metadata about a given zone
      operationId: zone
      parameters:
      - name: effective
        in: query
        description: Effective date/time
        schema:
          type: string
          format: date-time
        example: '2026-05-03T14:30:00Z'
      responses:
        '200':
          description: success
          headers:
            X-Correlation-Id:
              $ref: '#/components/headers/CorrelationId'
            X-Request-Id:
              $ref: '#/components/headers/RequestId'
            X-Server-Id:
              $ref: '#/components/headers/ServerId'
          content:
            application/geo+json:
              schema:
                $ref: '#/components/schemas/ZoneGeoJson'
            application/ld+json:
              schema:
                $ref: '#/components/schemas/ZoneJsonLd'
        default:
          $ref: '#/components/responses/Error'
      summary: Weather.gov Returns Metadata About a Given Zone
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - Zones
  /zones/{type}/{zoneId}/forecast:
    parameters:
    - name: type
      in: path
      description: Zone type
      required: true
      schema:
        type: string
    - $ref: '#/components/parameters/NWSZoneId'
    get:
      description: Returns the current zone forecast for a given zone
      operationId: zone_forecast
      responses:
        '200':
          description: success
          headers:
            X-Correlation-Id:
              $ref: '#/components/headers/CorrelationId'
            X-Request-Id:
              $ref: '#/components/headers/RequestId'
            X-Server-Id:
              $ref: '#/components/headers/ServerId'
          content:
            application/geo+json:
              schema:
                $ref: '#/components/schemas/ZoneForecastGeoJson'
            application/ld+json:
              schema:
                $ref: '#/components/schemas/ZoneForecastJsonLd'
        default:
          $ref: '#/components/responses/Error'
      parameters: []
      summary: Weather.gov Returns the Current Zone Forecast for a Given Zone
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - Zones
  /zones/forecast/{zoneId}/observations:
    parameters:
    - $ref: '#/components/parameters/NWSZoneId'
    get:
      description: Returns a list of observations for a given zone
      operationId: zone_obs
      parameters:
      - name: start
        in: query
        description: Start date/time
        schema:
          type: string
          format: date-time
        example: '2026-05-03T14:30:00Z'
      - name: end
        in: query
        description: End date/time
        schema:
          type: string
          format: date-time
        example: '2026-05-03T14:30:00Z'
      - name: limit
        in: query
        description: Limit
        schema:
          maximum: 500
          minimum: 1
          type: integer
        example: 1
      responses:
        '200':
          description: success
          headers:
            X-Correlation-Id:
              $ref: '#/components/headers/CorrelationId'
            X-Request-Id:
              $ref: '#/components/headers/RequestId'
            X-Server-Id:
              $ref: '#/components/headers/ServerId'
          content:
            application/geo+json:
              schema:
                $ref: '#/components/schemas/ObservationCollectionGeoJson'
            application/ld+json:
              schema:
                $ref: '#/components/schemas/ObservationCollectionJsonLd'
        default:
          $ref: '#/components/responses/Error'
      summary: Weather.gov Returns a List of Observations for a Given Zone
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - Zones
  /zones/forecast/{zoneId}/stations:
    parameters:
    - $ref: '#/components/parameters/NWSZoneId'
    - $ref: '#/components/parameters/Limit'
    - $ref: '#/components/parameters/PaginationCursor'
    get:
      description: Returns a list of observation stations for a given zone
      operationId: zone_stations
      responses:
        '200':
          $ref: '#/components/responses/ObservationStationCollection'
        default:
          $ref: '#/components/responses/Error'
      parameters: []
      summary: Weather.gov Returns a List of Observation Stations for a Given Zone
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - Zones
components:
  schemas:
    ZoneCollectionGeoJson:
      allOf:
      - $ref: '#/components/schemas/GeoJsonFeatureCollection'
      - type: object
        properties:
          features:
            type: array
            items:
              type: object
              properties:
                properties:
                  $ref: '#/components/schemas/Zone'
    NWSZoneType:
      enum:
      - land
      - marine
      - forecast
      - public
      - coastal
      - offshore
      - fire
      - county
      type: string
    Observation:
      type: object
      properties:
        '@context':
          $ref: '#/components/schemas/JsonLdContext'
        geometry:
          $ref: '#/components/schemas/GeometryString'
        '@id':
          type: string
          format: uri
        '@type':
          enum:
          - wx:ObservationStation
          type: string
        elevation:
          $ref: '#/components/schemas/QuantitativeValue'
        station:
          type: string
          format: uri
        stationId:
          type: string
        stationName:
          type: string
        timestamp:
          type: string
          format: date-time
        rawMessage:
          type: string
        textDescription:
          type: string
        icon:
          type:
          - string
          - 'null'
          format: uri
          deprecated: true
        presentWeather:
          type: array
          items:
            $ref: '#/components/schemas/MetarPhenomenon'
        temperature:
          $ref: '#/components/schemas/QuantitativeValue'
        dewpoint:
          $ref: '#/components/schemas/QuantitativeValue'
        windDirection:
          $ref: '#/components/schemas/QuantitativeValue'
        windSpeed:
          $ref: '#/components/schemas/QuantitativeValue'
        windGust:
          $ref: '#/components/schemas/QuantitativeValue'
        barometricPressure:
          $ref: '#/components/schemas/QuantitativeValue'
        seaLevelPressure:
          $ref: '#/components/schemas/QuantitativeValue'
        visibility:
          $ref: '#/components/schemas/QuantitativeValue'
        maxTemperatureLast24Hours:
          $ref: '#/components/schemas/QuantitativeValue'
        minTemperatureLast24Hours:
          $ref: '#/components/schemas/QuantitativeValue'
        precipitationLastHour:
          $ref: '#/components/schemas/QuantitativeValue'
        precipitationLast3Hours:
          $ref: '#/components/schemas/QuantitativeValue'
        precipitationLast6Hours:
          $ref: '#/components/schemas/QuantitativeValue'
        relativeHumidity:
          $ref: '#/components/schemas/QuantitativeValue'
        windChill:
          $ref: '#/components/schemas/QuantitativeValue'
        heatIndex:
          $ref: '#/components/schemas/QuantitativeValue'
        cloudLayers:
          type:
          - array
          - 'null'
          items:
            required:
            - base
            - amount
            type: object
            properties:
              base:
                $ref: '#/components/schemas/QuantitativeValue'
              amount:
                $ref: '#/components/schemas/MetarSkyCoverage'
            additionalProperties: false
      additionalProperties: false
    ZoneForecastJsonLd:
      $ref: '#/components/schemas/ZoneForecast'
    QuantitativeValue:
      type: object
      properties:
        value:
          type:
          - number
          - 'null'
          description: A measured value
        maxValue:
          type: number
          description: The maximum value of a range of measured values
        minValue:
          type: number
          description: The minimum value of a range of measured values
        unitCode:
          $ref: '#/components/schemas/UnitOfMeasure'
        qualityControl:
          enum:
          - Z
          - C
          - S
          - V
          - X
          - Q
          - G
          - B
          - T
          type: string
          description: 'For values in observation records, the quality control flag from the MADIS system. The definitions of these flags can be found at https://madis.ncep.noaa.gov/madis_sfc_qc_notes.shtml

            '
      description: 'A structured value representing a measurement and its unit of measure. This object is a slightly modified version of the schema.org definition at https://schema.org/QuantitativeValue

        '
      additionalProperties: false
    GeoJsonFeature:
      required:
      - type
      - geometry
      - properties
      type: object
      properties:
        '@context':
          $ref: '#/components/schemas/JsonLdContext'
        id:
          type: string
          format: uri
        type:
          enum:
          - Feature
          type: string
        geometry:
          $ref: '#/components/schemas/GeoJsonGeometry'
        properties:
          type: object
      description: A GeoJSON feature. Please refer to IETF RFC 7946 for information on the GeoJSON format.
      additionalProperties: false
    ProblemDetail:
      required:
      - type
      - title
      - status
      - detail
      - instance
      - correlationId
      type: object
      properties:
        type:
          type: string
          description: 'A URI reference (RFC 3986) that identifies the problem type. This is only an identifier and is not necessarily a resolvable URL.

            '
          format: uri
          default: about:blank
          examples:
          - urn:noaa:nws:api:UnexpectedProblem
        title:
          type: string
          description: A short, human-readable summary of the problem type.
          examples:
          - Unexpected Problem
        status:
          maximum: 999
          minimum: 100
          type: number
          description: 'The HTTP status code (RFC 7231, Section 6) generated by the origin server for this occurrence of the problem.

            '
          examples:
          - 500
        detail:
          type: string
          description: A human-readable explanation specific to this occurrence of the problem.
          examples:
          - An unexpected problem has occurred.
        instance:
          type: string
          description: 'A URI reference (RFC 3986) that identifies the specific occurrence of the problem. This is only an identifier and is not necessarily a resolvable URL.

            '
          format: uri
          examples:
          - urn:noaa:nws:api:request:493c3a1d-f87e-407f-ae2c-24483f5aab63
        correlationId:
          type: string
          description: 'A unique identifier for the request, used for NWS debugging purposes. Please include this identifier with any correspondence to help us investigate your issue.

            '
          examples:
          - 493c3a1d-f87e-407f-ae2c-24483f5aab63
      description: Detail about an error. This document conforms to RFC 7807 (Problem Details for HTTP APIs).
      additionalProperties: true
    GeoJsonGeometry:
      oneOf:
      - title: GeoJSON Point
        required:
        - type
        - coordinates
        type: object
        properties:
          type:
            enum:
            - Point
            type: string
          coordinates:
            $ref: '#/components/schemas/GeoJsonCoordinate'
          bbox:
            $ref: '#/components/schemas/GeoJsonBoundingBox'
      - title: GeoJSON LineString
        required:
        - type
        - coordinates
        type: object
        properties:
          type:
            enum:
            - LineString
            type: string
          coordinates:
            $ref: '#/components/schemas/GeoJsonLineString'
          bbox:
            $ref: '#/components/schemas/GeoJsonBoundingBox'
      - title: GeoJSON Polygon
        required:
        - type
        - coordinates
        type: object
        properties:
          type:
            enum:
            - Polygon
            type: string
          coordinates:
            $ref: '#/components/schemas/GeoJsonPolygon'
          bbox:
            $ref: '#/components/schemas/GeoJsonBoundingBox'
      - title: GeoJSON MultiPoint
        required:
        - type
        - coordinates
        type: object
        properties:
          type:
            enum:
            - MultiPoint
            type: string
          coordinates:
            type: array
            items:
              $ref: '#/components/schemas/GeoJsonCoordinate'
          bbox:
            $ref: '#/components/schemas/GeoJsonBoundingBox'
      - title: GeoJSON MultiLineString
        required:
        - type
        - coordinates
        type: object
        properties:
          type:
            enum:
            - MultiLineString
            type: string
          coordinates:
            type: array
            items:
              $ref: '#/components/schemas/GeoJsonLineString'
          bbox:
            $ref: '#/components/schemas/GeoJsonBoundingBox'
      - title: GeoJSON MultiPolygon
        required:
        - type
        - coordinates
        type: object
        properties:
          type:
            enum:
            - MultiPolygon
            type: string
          coordinates:
            type: array
            items:
              $ref: '#/components/schemas/GeoJsonPolygon'
          bbox:
            $ref: '#/components/schemas/GeoJsonBoundingBox'
      - type: 'null'
      description: A GeoJSON geometry object. Please refer to IETF RFC 7946 for information on the GeoJSON format.
    ZoneCollectionJsonLd:
      type: object
      properties:
        '@context':
          $ref: '#/components/schemas/JsonLdContext'
        '@graph':
          type: array
          items:
            $ref: '#/components/schemas/Zone'
      additionalProperties: false
    NWSZoneID:
      pattern: ^(A[KLMNRSZ]|C[AOT]|D[CE]|F[LM]|G[AMU]|I[ADLN]|K[SY]|L[ACEHMOS]|M[ADEHINOPST]|N[CDEHJMVY]|O[HKR]|P[AHKMRSWZ]|S[CDL]|T[NX]|UT|V[AIT]|W[AIVY]|[HR]I)[CZ]\d{3}$
      type: string
      description: 'UGC identifier for a NWS forecast zone or county.

        The first two letters will correspond to either a state code or marine area code (see #/components/schemas/StateTerritoryCode and #/components/schemas/MarineAreaCode for lists of valid letter combinations).

        The third letter will be Z for public/fire zone or C for county.

        '
    GeoJsonFeatureCollection:
      required:
      - type
      - features
      type: object
      properties:
        '@context':
          $ref: '#/components/schemas/JsonLdContext'
        type:
          enum:
          - FeatureCollection
          type: string
        features:
          type: array
          items:
            $ref: '#/components/schemas/GeoJsonFeature'
      description: A GeoJSON feature collection. Please refer to IETF RFC 7946 for information on the GeoJSON format.
    StateTerritoryCode:
      enum:
      - AL
      - AK
      - AS
      - AR
      - AZ
      - CA
      - CO
      - CT
      - DE
      - DC
      - FL
      - GA
      - GU
      - HI
      - ID
      - IL
      - IN
      - IA
      - KS
      - KY
      - LA
      - ME
      - MD
      - MA
      - MI
      - MN
      - MS
      - MO
      - MT
      - NE
      - NV
      - NH
      - NJ
      - NM
      - NY
      - NC
      - ND
      - OH
      - OK
      - OR
      - PA
      - PR
      - RI
      - SC
      - SD
      - TN
      - TX
      - UT
      - VT
      - VI
      - VA
      - WA
      - WV
      - WI
      - WY
      - MP
      - PW
      - FM
      - MH
      type: string
    ZoneForecast:
      type: object
      properties:
        '@context':
          $ref: '#/components/schemas/JsonLdContext'
        geometry:
          $ref: '#/components/schemas/GeometryString'
        zone:
          type: string
          description: An API link to the zone this forecast is for.
          format: uri
        updated:
          type: string
          description: The time this zone forecast product was published.
          format: date-time
        periods:
          type: array
          items:
            required:
            - number
            - name
            - detailedForecast
            type: object
            properties:
              number:
                type: integer
                description: A sequential identifier number.
              name:
                type: string
                description: A textual description of the period.
                examples:
                - This Afternoon
              detailedForecast:
                type: string
                description: A detailed textual forecast for the period.
            additionalProperties: false
          description: An array of forecast periods.
      description: An object representing a zone area forecast.
      additionalProperties: false
    PointString:
      pattern: ^(-?\d+(?:\.\d+)?),(-?\d+(?:\.\d+)?)$
      type: string
    GeoJsonCoordinate:
      minItems: 2
      type: array
      items:
        type: number
      description: A GeoJSON coordinate. Please refer to IETF RFC 7946 for information on the GeoJSON format.
    GeoJsonBoundingBox:
      minItems: 4
      type: array
      items:
        type: number
      description: A GeoJSON bounding box. Please refer to IETF RFC 7946 for information on the GeoJSON format.
    RegionCode:
      oneOf:
      - $ref: '#/components/schemas/LandRegionCode'
      - $ref: '#/components/schemas/MarineRegionCode'
    Zone:
      type: object
      properties:
        '@context':
          $ref: '#/components/schemas/JsonLdContext'
        geometry:
          $ref: '#/components/schemas/GeometryString'
        '@id':
          type: string
          format: uri
        '@type':
          enum:
          - wx:Zone
          type: string
        id:
          $ref: '#/components/schemas/NWSZoneID'
        type:
          $ref: '#/components/schemas/NWSZoneType'
        name:
          type: string
        effectiveDate:
          type: string
          format: date-time
        expirationDate:
          type: string
          format: date-time
        state:
          oneOf:
          - $ref: '#/components/schemas/StateTerritoryCode'
          - enum:
            - ''
            type: string
          - type: 'null'
        forecastOffice:
          type: string
          format: uri
        gridIdentifier:
          type: string
        awipsLocationIdentifier:
          type: string
        cwa:
          type: array
          items:
            $ref: '#/components/schemas/NWSForecastOfficeId'
          deprecated: true
        forecastOffices:
          type: array
          items:
            type: string
            format: uri
          deprecated: true
        timeZone:
          type: array
          items:
            type: string
            format: iana-time-zone-identifier
        observationStations:
          type: array
          items:
            type: string
            format: uri
        radarStation:
          type:
          - string
          - 'null'
      additionalProperties: false
    AreaCode:
      oneOf:
      - $ref: '#/components/schemas/StateTerritoryCode'
      - $ref: '#/components/schemas/MarineAreaCode'
      description: State/territory codes and marine area codes
    MarineAreaCode:
      enum:
      - AM
      - AN
      - GM
      - LC
      - LE
      - LH
      - LM
      - LO
      - LS
      - PH
      - PK
      - PM
      - PS
      - PZ
      - SL
      type: string
      description: 'Marine area code as defined in NWS Directive 10-302:

        * AM: Western North Atlantic Ocean and along U.S. East Coast south of Currituck Beach Light NC following the coastline into Gulf of Mexico to Ocean Reef FL including the Caribbean

        * AN: Western North Atlantic Ocean and along U.S. East Coast from Canadian border south to Currituck Beach Light NC

        * GM: Gulf of Mexico and along the U.S. Gulf Coast from the Mexican border to Ocean Reef FL

        * LC: Lake St. Clair

        * LE: Lake Erie

        * LH: Lake Huron

        * LM: Lake Michigan

        * LO: Lake Ontario

        * LS: Lake Superior

        * PH: Central Pacific Ocean including Hawaiian waters

        * PK: North Pacific Ocean near Alaska and along Alaska coastline including the Bering Sea and the Gulf of Alaska

        * PM: Western Pacific Ocean including Mariana Island waters

        * PS: South Central Pacific Ocean including American Samoa waters

        * PZ: Eastern North Pacific Ocean and along U.S. West Coast from Canadian border to Mexican border

        * SL: St. Lawrence River above St. Regis

        '
    MetarPhenomenon:
      required:
      - intensity
      - modifier
      - weather
      - rawString
      type: object
      properties:
        intensity:
          enum:
          - light
          - heavy
          type:
          - string
          - 'null'
        modifier:
          enum:
          - patches
          - blowing
          - low_drifting
          - freezing
          - shallow
          - partial
          - showers
          type:
          - string
          - 'null'
        weather:
          enum:
          - fog_mist
          - dust_storm
          - dust
          - drizzle
          - funnel_cloud
          - fog
          - smoke
          - hail
          - snow_pellets
          - haze
          - ice_crystals
          - ice_pellets
          - dust_whirls
          - spray
          - rain
          - sand
          - snow_grains
          - snow
          - squalls
          - sand_storm
          - thunderstorms
          - unknown
          - volcanic_ash
          type: string
        rawString:
          type: string
        inVicinity:
          type: boolean
      description: An object representing a decoded METAR phenomenon string.
      additionalProperties: false
    ZoneForecastGeoJson:
      allOf:
      - $ref: '#/components/schemas/GeoJsonFeature'
      - type: object
        properties:
          properties:
            $ref: '#/components/schemas/ZoneForecast'
    ObservationCollectionJsonLd:
      type: object
      properties:
        '@context':
          $ref: '#/components/schemas/JsonLdContext'
        '@graph':
          type: array
          items:
            $ref: '#/components/schemas/Observation'
        pagination:
          $ref: '#/components/schemas/PaginationInfo'
      additionalProperties: false
    UnitOfMeasure:
      pattern: ^((wmo|uc|wmoUnit|nwsUnit):)?.*$
      type: string
      description: 'A string denoting a unit of measure, expressed in the format "{unit}" or "{namespace}:{unit}".

        Units with the namespace "wmo" or "wmoUnit" are defined in the World Meteorological Organization Codes Registry at http://codes.wmo.int/common/unit and should be canonically resolvable to http://codes.wmo.int/common/unit/{unit}.

        Units with the namespace "nwsUnit" are currently custom and do not align to any standard.

        Units with no namespace or the namespace "uc" are compliant with the Unified Code for Units of Measure syntax defined at https://unitsofmeasure.org/. This also aligns with recent versions of the Geographic Markup Language (GML) standard, the IWXXM standard, and OGC Observations and Measurements v2.0 (ISO/DIS 19156).

        Namespaced units are considered deprecated. We will be aligning API to use the same standards as GML/IWXXM in the future.

        '
    GeometryString:
      type:
      - string
      - 'null'
      description: A geometry represented in Well-Known Text (WKT) format.
      format: wkt
    MetarSkyCoverage:
      enum:
      - OVC
      - BKN
      - SCT
      - FEW
      - SKC
      - CLR
      - VV
      type: string
    MarineRegionCode:
      enum:
      - AL
      - AT
      - GL
      - GM
      - PA
      - PI
      type: string
      description: 'Marine region code. These are groups of marine areas combined.

        * AL: Alaska waters (PK)

        * AT: Atlantic Ocean (AM, AN)

        * GL: Great Lakes (LC, LE, LH, LM, LO, LS, SL)

        * GM: Gulf of Mexico (GM)

        * PA: Eastern Pacific Ocean and U.S. West Coast (PZ)

        * PI: Central and Western Pacific (PH, PM, PS)

        '
    LandRegionCode:
      enum:
      - AR
      - CR
      - ER
      - PR
      - SR
      - WR
      type: string
      description: 'Land region code. These correspond to the six NWS regional headquarters:

        * AR: Alaska Region

        * CR: Central Region

        * ER: Eastern Region

        * PR: Pacific Region

        * SR: Southern Region

        * WR: Western Region

        '
    PaginationInfo:
      required:
      - next
      type: object
      properties:
        next:
          type: string
          description: A link to the next page of records
          format: uri
      description: Links for retrieving more data from paged data sets
      additionalProperties: false
    GeoJsonLineString:
      minItems: 2
      type: array
      items:
        $ref: '#/components/schemas/GeoJsonCoordinate'
      description: A GeoJSON line string. Please refer to IETF RFC 7946 for information on the GeoJSON format.
    NWSForecastOfficeId:
      enum:
      - AKQ
      - ALY
      - BGM
      - BOX
      - BTV
      - BUF
      - CAE
      - CAR
      - CHS
      - CLE
      - CTP
      - GSP
      - GYX
      - ILM
      - ILN
      - LWX
      - MHX
      - OKX
      - PBZ
      - PHI
      - RAH
      - RLX
      - RNK
      - ABQ
      - AMA
      - BMX
      - BRO
      - CRP
      - EPZ
      - EWX
      - FFC
      - FWD
      - HGX
      - HUN
      - JAN
      - JAX
      - KEY
      - LCH
      - LIX
      - LUB
      - LZK
      - MAF
      - MEG
      - MFL
      - MLB
      - MOB
      - MRX
      - OHX
      - OUN
      - SHV
      - SJT
      - SJU
      - TAE
      - TBW
      - TSA
      - ABR
      - APX
      - ARX
      - BIS
      - BOU
      - CYS
      - DDC
      - DLH
      - DMX
      - DTX
      - DVN
      - EAX
      - FGF
      - FSD
      - GID
      - GJT
      - GLD
      - GRB
      - GRR
      - ICT
      - ILX
      - IND
      - IWX
      - JKL
      - LBF
      - LMK
      - LOT
      - LSX
      - MKX
      - MPX
      - MQT
      - OAX
      - PAH
      - PUB
      - RIW
      - SGF
      - TOP
      - UNR
      - BOI
      - BYZ
      - EKA
      - FGZ
      - GGW
      - HNX
      - LKN
      - LOX
      - MFR
      - MSO
      - MTR
      - OTX
      - PDT
      - PIH
      - PQR
      - PSR
      - REV
      - SEW
      - SGX
      - SLC
      - STO
      - TFX
      - TWC
      - VEF
      - AER
      - AFC
      - AFG
      - AJK
      - ALU
      - GUM
      - HPA
      - HFO
      - PPG
      - PQE
      - PQW
      - STU
      - NH1
      - NH2
      - ONA
      - ONP
      type: string
      description: Three-letter identifier for a NWS office.
    ObservationStation:
      type: object
      properties:
        '@context':
          $ref: '#/components/schemas/JsonLdContext'
        geometry:
          $ref: '#/components/schemas/GeometryString'
        '@id':
          type: string
          format: uri
        '@type':
          enum:
          - wx:ObservationStation
          type: string
        elevation:
          $ref: '#/components/schemas/QuantitativeValue'
        stationIdentifier:
          type: string
        name:
          type: string
        timeZone:
          type: string
          format: iana-time-zone-identifier
        provider:
          type: string
          description: The data provider for this station. E.g., "ASOS," "MesoWest," etc.
        subProvider:
          type: string
          description: The sub-provider of for this station. E.g., "FAA," "DOT," etc.
        forecast:
          type: string
          description: A link to the NWS public forecast zone containing this station.
          format: uri
        county:
          type: string
          description: A link to the NWS county zone containing this station.
          format: uri
        fireWeatherZone:
          type: string
          description: A link to the NWS fire weather forecast zone containing this station.
          format: uri
        distance:
          $ref: '#/components/schemas/QuantitativeValue'
        bearing:
          $ref: '#/components/schemas/QuantitativeValue'
      additionalProperties: false
    ObservationStationCollectionJsonLd:
      type: object
      properties:
        '@context':
          $ref: '#/components/schemas/JsonLdContext'
        '@graph':
          type: array
          items:
            $ref: '#/components/schemas/ObservationStation'
        observationStations:
          type: array
          items:
            type: string
            format: uri
        pagination:
          $ref: '#/components/schemas/PaginationInfo'
      additionalProperties: false
    GeoJsonPolygon:
      type: array
      items:
        minItems: 4
        type: array
        items:
          $ref: '#/components/schemas/GeoJsonCoordinate'
      description: A GeoJSON polygon. Please refer to IETF RFC 7946 for information on the GeoJSON format.
    ZoneJsonLd:
      $ref: '#/components/schemas/Zone'
    ObservationCollectionGeoJson:
      allOf:
      - $ref: '#/components/schemas/GeoJsonFeatureCollection'
      - type: object
        properties:
          features:
            type: array
            items:
              type: object
              properties:
                properties:
                  $ref: '#/components/schemas/Observation'
          pagination:
            $ref: '#/components/schemas/PaginationInfo'
    ObservationStationCollectionGeoJson:
      allOf:
      - $ref: '#/components/schemas/GeoJsonFeatureCollection'
      - type: object
        properties:
          features:
            type: array
            items:
              type: object
              properties:
                properties:
                  $ref: '#/components/schemas/ObservationStation'
          observationStations:
            type: array
            items:
              type: string
              format: uri
          pagination:
            $ref: '#/components/schemas/PaginationInfo'
    JsonLdContext:
      anyOf:
      - type: array
        items: {}
      - type: object
    ZoneGeoJson:
      allOf:
      - $ref: '#/components/schemas/GeoJsonFeature'
      - type: object
        properties:
          properties:
            $ref: '#/components/schemas/Zone'
  responses:
    Error:
      description: An error response.
      headers:
        X-Correlation-Id:
          $ref: '#/components/headers/CorrelationId'
        X-Request-Id:
          $ref: '#/components/headers/RequestId'
        X-Server-Id:
          $ref: '#/components/headers/ServerId'
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/ProblemDetail'
    ObservationStationCollection:
      description: A collection of observation stations.
      headers:
        X-Correlation-Id:
          $ref: '#/components/headers/CorrelationId'
        X-Request-Id:
          $ref: '#/components/headers/RequestId'
        X-Server-Id:
          $ref: '#/components/headers/ServerId'
      content:
        application/geo+json:
          schema:
            $ref: '#/components/schemas/ObservationStationCollectionGeoJson'
        application/ld+json:
          schema:
            $ref: '#/components/schemas/ObservationStationCollectionJsonLd'
  headers:
    CorrelationId:
      description: 'A unique identifier for the request, used for NWS debugging purposes. Please include this identifier with any correspondence to help us investigate your issue.

        '
      schema:
        type: string
    ServerId:
      description: 'The identifier of the server that generated the response, used for NWS debugging purposes. Please include this identifier with any correspondence to help us investigate your issue.

        '
      schema:
        type: string
    RequestId:
      description: 'A unique identifier for the request, used for NWS debugging purposes. Please include this identifier with any correspondence to help us investigate your issue.

        '
      schema:
        type: string
  parameters:
    NWSZoneId:
      name: zoneId
      in: path
      description: NWS public zone/county identifier
      required: true
      schema:
        $ref: '#/components/schemas/NWSZoneID'
    PaginationCursor:
      name: cursor
      in: query
      description: Pagination cursor
      schema:
        type: string
    Limit:
      name: limit
      in: query
      description: Limit
      schema:
        maximum: 500
        minimum: 1
        type: integer
        default: 500
  securitySchemes:
    userAgent:
      type: apiKey
      description: 'We require that all consumers of the API include a User-Agent header in requests. This is due to a high number of scripts exhibiting abusive behavior (intentional or unintentional). We recommend setting the value to something that identifies your application and includes a contact email. This will help us contact you if we notice unusual behavior and also aid in troubleshooting issues.

        The API remains open and free to use and there are no limits imposed based on the User-Agent string.

        This mechanism will be replaced with a more typical API key system at a later date.

        '
      name: User-Agent
      in: header
    apiKeyAuth:
      type: apiKey
      description: 'We are testing including a more traditional API Key system on certain endpoints.  This is due to a large change in the weather.gov site.

        The API remains open and free to use and there are no limits imposed based on the X-Api-Key string.

        '
      name: API-Key
      in: header
externalDocs:
  description: Full API documentation
  url: https://www.weather.gov/documentation/services-web-api