---
title: "GET /predictions"
method: GET
path: "/predictions"
---

# GET /predictions

`GET /predictions`

Radiosonde landing predictions

## Query parameters

- `vehicles` string
- `lat` number
- `lon` number
- `distance` number

## Response `200`

Prediction results

- object[]
  - `vehicle` string — callsign / serial of the radiosonde
  - `time` string, date-time
  - `latitude` number
  - `longitude` number
  - `altitude` number
  - `ascent_rate` number
  - `descent_rate` number
  - `burst_altitude` number
  - `landed` unknown
  - `data` string — This is the json output from the Tāwhirimātea predictor http://tawhiri.cusf.co.uk

## Changes

- **2026-05-23** `a80725455ef6` — 3 info
  - added the new optional `query` request parameter `distance`
  - added the new optional `query` request parameter `lat`
  - added the new optional `query` request parameter `lon`
- **2021-12-20** `b052781a15a9` — 1 info
  - endpoint reactivated
- **2021-04-04** `601d3b480f36` — 3 warning, 1 info
  - deleted the `query` request parameter `distance`
  - deleted the `query` request parameter `lat`
  - deleted the `query` request parameter `lon`
  - endpoint deprecated

[Change history](https://skmtc.dev/projecthorus/apis/sondehub/changes/predictions/get.md)

---

[API](https://skmtc.dev/projecthorus/apis/sondehub.md) · [All operations](https://skmtc.dev/projecthorus/apis/sondehub/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/projecthorus/sondehub/revisions/00b179937541/schema)