GET /aviation/sigmets/{atsu}/{date}/{time}

weather.gov:national-weather-service-api

Summary:
Operation ID: sigmet
Auth: unknown
Description

Returns a specific SIGMET/AIRMET

Parameters (3)

atsu (?, path, required)

ATSU identifier

date (?, path, required)

Date (YYYY-MM-DD format)

time (?, path, required)

Time (HHMM format). This time is always specified in UTC (Zulu) time.

Examples (3)

TitleTypeURLAction
Los Angeles Center SIGMET for morning UTC curl https://api.weather.gov/aviation/sigmets/KZLA/2024-03-14/1200
New York Center SIGMET for afternoon UTC curl https://api.weather.gov/aviation/sigmets/KZNY/2024-03-14/1800
Seattle Center SIGMET for early morning UTC curl https://api.weather.gov/aviation/sigmets/KZSE/2024-03-14/0600

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 11:11:26.440054 500 560ms
2026-03-23 09:31:18.598622 500 295ms
2026-03-23 09:20:33.127269 500 639ms

Response Changes

WhenOldNew
2026-03-23 09:31:18.598622 3d5374430b6f f65512831dce
2026-03-23 11:11:26.440054 f65512831dce 5234c45aac1f