All integrations
Aviation Weather Center
Weather & Space
Read official US aviation weather from the National Weather Service's Aviation Weather Center, through its keyless public Data API: METARs and TAFs, pilot reports, SIGMETs and AIRMETs, center advisories, the convective forecast, winds and temperatures aloft, area forecasts and forecast discussions, plus airport, station, navaid, fix, and obstacle lookups. No account or API key required.
20 actions
Actions
Steps your workflow can run in Aviation Weather Center.
Get METARsRead surface observations (METARs) for one or more airports, or for everything inside a bounding box: wind, visibility, cloud layers, temperature, altimeter setting, the raw observation, and the derived flight category (VFR, MVFR, IFR, LIFR). Station IDs or a bounding box are required.
Get TAFsRead Terminal Aerodrome Forecasts for one or more airports, or for everything inside a bounding box. Each forecast comes back with its valid period, the raw bulletin, and a decoded list of forecast periods with wind, visibility, weather, and clouds. Station IDs or a bounding box are required.
Get pilot reportsRead pilot reports (PIREPs and AIREPs), which record what crews actually encountered: turbulence, icing, cloud layers, visibility, and ride quality, with the aircraft type and flight level. Search a bounding box, or a radius around one airport.
Get domestic SIGMETsRead the SIGMETs in force over the contiguous United States in domestic format: convective SIGMETs and the non-convective ones for turbulence, icing, and IFR conditions. For SIGMETs the US issues in international format, use 'Get international SIGMETs' instead.
Get international SIGMETsRead SIGMETs issued worldwide in the international format, decoded with their hazard, altitude band, valid period, and area. Does not include the convective and non-convective SIGMETs the United States issues in its own domestic format.
Get graphical AIRMETsRead Graphical AIRMETs (G-AIRMETs) for the contiguous United States: the three-hourly snapshots of turbulence, icing, freezing level, IFR conditions, mountain obscuration, low-level wind shear, and strong surface winds. For Alaska, use 'Get Alaska AIRMETs' instead.
Get Alaska AIRMETsRead the domestic AIRMETs issued for Alaska, decoded with their hazard, altitude band, and area. The contiguous United States is covered by 'Get graphical AIRMETs' instead. AIRMETs only exist while conditions warrant one, and this is a single region's product, so no advisories in force is a common and correct answer: expect a count of 0 much of the time.
Get convective forecastRead the Traffic Flow Management Convective Forecast (TCF): the polygons of expected thunderstorm activity, with coverage, tops, and confidence, that air traffic flow decisions are planned around.
Get center weather advisoriesRead the Center Weather Advisories (CWAs) issued by the NWS Center Weather Service Units: the short-fuse, en-route advisories for conditions affecting one air route traffic control center.
Get winds and temperatures aloftRead the FD winds-and-temperatures-aloft bulletin for a region: forecast wind direction, speed, and temperature at each reporting altitude, for every station in that region. Returned as the bulletin text in 'content'.
Get area forecastRead the textual Area Forecast (FA) for one Alaskan region: the synopsis, clouds, and weather covering a whole area rather than a single airport. Returned as the bulletin text in 'content'.
Get forecast discussionRead a Weather Forecast Office's forecast discussion: the forecaster's own reasoning behind the products. Returns the aviation section, or the full discussion, issued in the past six hours, as text in 'content'.
Get meteorological information statementsRead the Meteorological Information Statements (MIS) issued by a Center Weather Service Unit: the longer-range outlook of conditions expected to affect an air route traffic control center, issued ahead of any advisory. A CWSU issues one only when it has something to flag, so a count of 0 is a common and correct answer rather than a failure.
Query the legacy data serverRun a query against the compatibility layer for the retired Text Data Server. Its one advantage over the other actions is an explicit start and end time, so it can pull a past window of METARs, TAFs, pilot reports, SIGMETs, or G-AIRMETs rather than only recent ones. Give a start and end time for that; with neither, it reads the last two hours. Answers in XML or CSV, returned in 'content'.
Get station infoLook up the weather stations behind the reports: position, elevation, state and country, the ICAO, IATA, and FAA identifiers, and which products the site issues. Station IDs or a bounding box are required.
Get airport infoLook up airports: name, position, elevation, magnetic variation, ownership, and the runways with their dimensions and surface. Airport IDs or a bounding box are required.
Get navigational aidsLook up navigational aids (VORs, VORTACs, NDBs and the like) with their type, frequency, position, elevation, and magnetic variation. Navaid IDs or a bounding box are required. Be aware that the Aviation Weather Center is publishing no navaid data at present: this endpoint answers every query, by identifier or by area, with an empty list, which is a gap in their data rather than anything to fix in the step. 'Get navigational fixes' covers waypoints and does return results.
Get navigational fixesLook up navigational fixes and waypoints by their five-letter names, or find every fix inside a bounding box. Fix IDs or a bounding box are required.
Get geographic featuresLook up the additional geographic features the Aviation Weather Center charts inside a bounding box, such as the named points and boundaries advisories are described against.
Get obstaclesLook up the charted obstacles inside a bounding box (towers, stacks, and other tall structures) with their position and height.
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