AVaviationweather
Weather Data

Domestic SIGMETs

Domestic SIGMETs for the contiguous United States. Does not include SIGMETs issued by the US in international format.

get/api/data/airsigmet

Request

  • Base URL
    https://aviationweather.gov (the document declares no server; this is the origin it was published from)
  • Auth
    none declared

Query parameters

format'raw' | 'json' | 'geojson' | 'xml' | 'iwxxm'

Format

types'sigmet' | 'airmet'

Product type

hazard'conv' | 'turb' | 'ice' | 'ifr'

Hazard

levelnumber

The level +-3000' to search

Response

successful operation

icaoIdstring
alphaCharstring
seriesIdstring
receiptTimestring

Time received by AWC

creationTimestring

Issuance time

validTimeFrominteger
validTimeTointeger
airSigmetType'SIGMET'

Product type (always SIGMET)

hazardstring

Hazard type

qualifierstring
altitudeHi1integer
altitudeHi2integer
altitudeLo1integer
altitudeLo2integer
movementDirinteger
movementSpdinteger
postProcessFlaginteger
severityinteger
rawAirSigmetstring

Raw product

coordsobject[]

Example response

[
  {
    "icaoId": "KKCI",
    "alphaChar": "W",
    "seriesId": "NOVEMBER 7",
    "receiptTime": "2025-09-27T11:48:24.974Z",
    "creationTime": "2025-09-27T11:55:00.000Z8",
    "validTimeFrom": 1758974100,
    "validTimeTo": 1758981300,
    "hazard": "CONVECTIVE",
    "qualifier": "OCNL",
    "altitudeHi1": 35000,
    "altitudeHi2": 35000,
    "movementDir": 90,
    "movementSpd": 10,
    "postProcessFlag": 10,
    "severity": 5,
    "rawAirSigmet": "WSUS33 KKCI 271155\\nSIGW \\nCONVECTIVE SIGMET 24W\\nVALID UNTIL 1355Z\\nAZ CA\\nFROM 10SSW EED-30NNE BZA-50S TRM-30NNW TRM-10SSW EED\\nAREA TS MOV FROM 09010KT. TOPS TO FL350.\\n\\nOUTLOOK VALID 271355-271755\\nFROM BCE-RSK-60SSW SJN-BZA-HEC-BCE\\nWST ISSUANCES POSS. REFER TO MOST RECENT ACUS01 KWNS FROM STORM\\nPREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS."
  }
]

Changes

No recorded changes to this operation across all 1 revision of this API.