Aviation Weather Center (NOAA/NWS)
WeatherUSaviationweather.gov
NOAA's Aviation Weather Center data API: METAR observations, TAF terminal forecasts, pilot reports, and AIRMET, SIGMET, international SIGMET and graphical AIRMET advisories for aviation.
Capabilities (7)
GET /v1/data/aviationweather/airmet1 creditReturns active AIRMET advisories by region with hazard type, validity window and the affected area.
GET /v1/data/aviationweather/gairmet1 creditReturns graphical AIRMET forecast polygons by hazard and forecast hour: IFR, mountain obscuration, turbulence, icing, low-level wind shear and LLWS.
GET /v1/data/aviationweather/international-sigmet1 creditReturns international SIGMETs outside the US system with FIR, hazard, series id and validity window.
GET /v1/data/aviationweather/metar1 creditReturns decoded current and recent METAR surface observations for one or more stations: temperature, dewpoint, wind, visibility, clouds, altimeter and flight category.
GET /v1/data/aviationweather/pirep1 creditReturns pilot reports (PIREPs) near a station or area: aircraft type, altitude, turbulence, icing and sky condition.
GET /v1/data/aviationweather/sigmet1 creditReturns active SIGMET advisories worldwide with hazard, FIR, validity window and the area as a polygon.
GET /v1/data/aviationweather/taf1 creditReturns terminal aerodrome forecasts for one or more stations, with issue time, validity window and the decoded forecast periods.
Licence
The National Weather Service's disclaimer, which covers this NOAA service, states: "Use of NOAA/NWS Data and Products The information on National Weather Service (NWS) Web pages are in the public domain, unless specifically noted otherwise, and may be used without charge for any lawful purpose so long as you do not: 1) claim it is your own (e.g., by claiming copyright for NWS information -- see below), 2) use it in a manner that implies an endorsement or affiliation with NOAA/NWS, or 3) modify its content and then present it as official government material. You also cannot present information of your own in a way that makes it appear to be official government information. Use of the NWS name (\"National Weather Service\") and/or visual identifier are protected under trademark law and may not be used without permission from the NWS." AviationWeather.gov itself carries no separate licence statement, so this agency-wide public-domain statement is the governing terms; the no-charge-for-any-lawful-purpose wording carries commercial use and redistribution, subject to the three conditions and the trademark carve-out.
https://www.weather.gov/disclaimerAttribution
Display this wherever you show the data. It arrives on every response as provenance.attribution_text.
Source: NOAA National Weather Service, Aviation Weather Center (aviationweather.gov). Not an official government publication as served here; not endorsed by NOAA or NWS.
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