# Vreme — Weather Forecast App

> Vreme is a real-time weather aggregation and forecasting web application for Slovenia, Croatia and surrounding regions.

## What this app does

Vreme combines forecasts from multiple numerical weather prediction (NWP) models and displays blended, accuracy-weighted predictions for user-selected locations.

## Data sources

- **Open-Meteo** (ECMWF IFS HRES, ICON Seamless, GFS Seamless, Météo-France Seamless) — primary forecast data
- **ARSO** (Agencija RS za okolje) — Slovenian national weather service
- **DHMZ** (Državni hidrometeorološki zavod) — Croatian national weather service
- **RainViewer** — live precipitation radar and satellite imagery

## Blending methodology

Each source receives an accuracy weight computed from Mean Absolute Error (MAE) against Open-Meteo historical observations. Weights are recalculated weekly per location and per forecast horizon (1-day, 3-day, 7-day). Blended values: `sum(weight_i × value_i) / sum(weight_i)`.

## Coverage area

Primary: Slovenia (SI) and Croatia (HR). Any geographic coordinates can be added by visitors.

## Key features

- Real-time blended temperature, precipitation, wind, weather code
- Hourly 48-hour strip
- 7-day daily forecast cards
- Live radar animation (precipitation + satellite infrared)
- Hail risk indicator
- Text narrative forecast (WMO weather code descriptions)
- Slovenian / English UI

## Tech stack

Laravel 13, PHP 8.5, Livewire v3 Volt, Alpine.js, Tailwind CSS, MySQL 8.0

## Contact / owner

Site: https://vreme.robotech.si