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National Weather Service Aviation API

The Aviation API from National Weather Service — 7 operation(s) for aviation.

National Weather Service Aviation API is one of 13 APIs that National Weather Service publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Aviation. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 7 operations across 7 paths, and defines 22 schemas. It is described by OpenAPI 3.1.2, at version 3.8.1.

Requests are made against a single base URL, https://api.weather.gov.

7 operations 7 paths 22 schemas 7 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.2
API Version
3.8.1
Base URL
https://api.weather.gov/
Authentication
API Key, API Key
Resource Areas
1

Authentication & Security 2

National Weather Service Aviation API declares 2 security schemes for authenticating requests. An API key is passed in the header as User-Agent (userAgent). An API key is passed in the header as API-Key (apiKeyAuth). By default, every request must be authenticated.

  • userAgent — 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 (intentio…
  • apiKeyAuth — 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 an…

Paths & Operations 7

Across 7 paths, the API surfaces 7 operations — 7 GET. Each is listed below with its method, path, parameters, and response codes.

Aviation 7
GET
/aviation/cwsus/{cwsuId}
Returns metadata about a Center Weather Service Unit
cwsu 1 param → 200default
GET
/aviation/cwsus/{cwsuId}/cwas
Returns a list of Center Weather Advisories from a CWSU
cwas 1 param → 200default
GET
/aviation/cwsus/{cwsuId}/cwas/{date}/{sequence}
Returns a list of Center Weather Advisories from a CWSU
cwa 3 params → 200default
GET
/aviation/sigmets
Returns a list of SIGMET/AIRMETs
sigmetQuery 5 params → 200default
GET
/aviation/sigmets/{atsu}
Returns a list of SIGMET/AIRMETs for the specified ATSU
sigmetsByATSU 1 param → 200default
GET
/aviation/sigmets/{atsu}/{date}
Returns a list of SIGMET/AIRMETs for the specified ATSU for the specified date
sigmetsByATSUByDate 2 params → 200default
GET
/aviation/sigmets/{atsu}/{date}/{time}
Returns a specific SIGMET/AIRMET
sigmet 3 params → 200default

Schemas 22

The contract defines 22 schemas that model the data the API accepts and returns. The most detailed are Office (16 properties), Sigmet (8 properties), CenterWeatherAdvisory (8 properties), ProblemDetail (6 properties). Each schema is shown below with its type and property counts.

CenterWeatherAdvisory
object
8 properties
GeoJsonFeatureCollection
object
A GeoJSON feature collection. Please refer to IETF RFC 7946 for information on the GeoJSON format.
3 properties 2 required
GeoJsonGeometry
A GeoJSON geometry object. Please refer to IETF RFC 7946 for information on the GeoJSON format.
SigmetCollectionGeoJson
JsonLdContext
GeoJsonFeature
object
A GeoJSON feature. Please refer to IETF RFC 7946 for information on the GeoJSON format.
5 properties 3 required
GeoJsonCoordinate
array
A GeoJSON coordinate. Please refer to IETF RFC 7946 for information on the GeoJSON format.
GeoJsonLineString
array
A GeoJSON line string. Please refer to IETF RFC 7946 for information on the GeoJSON format.
CenterWeatherServiceUnitJsonLd
ProblemDetail
object
Detail about an error. This document conforms to RFC 7807 (Problem Details for HTTP APIs).
6 properties 6 required
CenterWeatherAdvisoryGeoJson
Date
string
Date (in YYYY-MM-DD format).
GeoJsonPolygon
array
A GeoJSON polygon. Please refer to IETF RFC 7946 for information on the GeoJSON format.
SigmetGeoJson
SigmetSequenceNumber
string
NWSCenterWeatherServiceUnitId
string
Three-letter identifier for a Center Weather Service Unit (CWSU).
ATSUIdentifier
string
ATSU Identifier
Time
string
A time (in HHMM format). This is always specified in UTC (Zulu) time.
Sigmet
object
8 properties
Office
object
16 properties
CenterWeatherAdvisoryCollectionGeoJson
GeoJsonBoundingBox
array
A GeoJSON bounding box. Please refer to IETF RFC 7946 for information on the GeoJSON format.

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

national-weather-service-aviation-api-openapi.yml Raw ↑

Other APIs National Weather Service publishes across the network.

National Weather Service Alerts API
National Weather Service Glossary API
National Weather Service Gridpoints API
National Weather Service Icons API
National Weather Service Offices API
National Weather Service Points API
National Weather Service Products API
National Weather Service Radar API
National Weather Service Radio API
National Weather Service Stations API
National Weather Service Thumbnails API
National Weather Service Zones API