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Local Weather Forecast

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How to Use

  1. Pick a date — defaults to today, change freely
  2. Search for a city — type city name or province, select from dropdown
  3. Optionally open Advanced Settings to set ENSO phase (El Nino/La Nina) and IOD (Indian Ocean Dipole)
  4. Click Predict
  5. Result shows: Rain/No Rain, confidence %, execution time, and all features used for inference
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About

This module uses a Random Forest model (40 decision trees, max depth 6) trained on historical precipitation data from Open-Meteo covering 287 Indonesian cities between 2021–2025. Accuracy: 65.35%, Macro F1: 65.35%. The model predicts whether significant rainfall (>5mm) will occur on a given day.

Features: day of year, latitude, longitude, elevation, monsoon zone, local season, ENSO phase, and IOD phase. Runs entirely in-browser with no API calls.

Disclaimer

Predictions are experimental and should not be used as a primary reference. Results are based on historical climatological patterns with limited parameters, not real-time atmospheric data. Use official meteorological services (BMKG) for critical decisions.