---
title: "TFM Convective Forecast (TCF)"
method: GET
path: "/api/data/tcf"
tags: ["Weather Data"]
---

# TFM Convective Forecast (TCF)

`GET /api/data/tcf`

## Request

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

Traffic Flow Management (TFM) Convective Forecast. See https://aviationweather.gov/tcf/ for more information.

## Query parameters

- `format` 'raw' | 'geojson'

## Response `200`

successful operation

- TcfGeoJSON
  - `type` 'FeatureCollection'
  - `features` object[]
    - `type` 'Feature'
    - `id` number
    - `properties` object
      - `validTime` string
      - `issueTime` string
      - `coverage` 'sparse' | 'medium': Convective coverage
      - `confidence` 'high': Forecast confidence
      - `tops` 290 | 340 | 390 | 400: Echo top category
      - `labelpos` number[]
    - `geometry` object
      - `type` 'Polygon'
      - `coordinates` number[]
  - `issueTime` string: Issuance date and time

## Other responses

- `400`: Input validation errors

---

[API](https://skmtc.dev/aviationweather/apis/aviationweather-gov-api.md) - [All operations](https://skmtc.dev/aviationweather/apis/aviationweather-gov-api/llms.txt) - [OpenAPI document](https://skmtc.dev/aviationweather/apis/aviationweather-gov-api/revisions/282226ebbe51?raw)