Frost decision desk

Know whether to start the wind machines — before dawn, not after.

Pull the real overnight forecast for a vineyard or orchard block, score the frost risk hour by hour with a deterministic engine, and seal a frost brief you can defend.

Create a frost sheet View source on GitHub

Live state — Open-Meteo

Barossa — Northern Heights

2/100

no-action · min 7.3°C

live
Colchagua — Peumo Alto

10/100

no-action · min 6.4°C

live
Hood River — Sandy Bench

0/100

no-action · min 12°C

live

Automated guidance from a public forecast, not an agronomic recommendation. Confirm with your own field sensors before acting.

What it does

Every score is a weighted mean of five sub-scores — minimum temperature, hours below threshold, clear-sky cooling, wind mixing and ground wetness — each itemised so you can disagree with one number instead of the whole verdict.

Why it is sealed

Each sheet keeps a SHA-384 hash chain over its own decisions, so a recommendation made at 21:00 can be replayed later and shown not to have been quietly edited.