Hybrid Deep–Ensemble Framework for Robust Weather Forecasting

in #ccs2 days ago
The dynamics of weather prediction are complex nonlinears, noisy sensor data and dynamically changing conditions make weather prediction a complex task. The best approach to combine the features of both deep learning and ensemble techniques in a hybrid machine learning model, which integrates LSTM, Transformer, XGBoost, and Random Forest, can provide more precise and consistent forecasts.

image.png

In this model, the time-series model starts with the feature engineering of the raw meteorological data, including temperature, humidity, pressure, wind speed, and variables calculated off satellite data. To reveal the patterns of time and the long-range interdependences, domain-inspired characteristics lagged observations, moving averages, seasonal indicators, and interaction terms are created. Signal quality is further enhanced with data cleansing, outlier and normalization.

Linear sequential dependencies and local temporal trends are modelled by the LSTM (Long Short-Term Memory) network whereas long-range interactions are modelled by the Transformer architecture which effectively deals with irregular time steps and multi-variate inputs. They are represented as their hidden features that articulate multifaceted time dynamics and are concatenated with engineered features and fed to XGBoost and Random Forest models. These ensembles made of trees are effective in capturing nonlinear interaction of features, and solve residual patterns that cannot be learned by deep models and offer resistance to noise and missing data.

A stacked or blending ensemble combining the predictions of all the components is usually performed through the implementation of a meta-learner, which is trained on validation outputs. The system is thoroughly statistically tested to ensure reliability, by having cross-validation between seasons and space, being evaluated with such metrics as RMSE, MAE, and CRPS and statistically significant improvements over baseline numerical weather prediction or single-model machine learning methods.

This combination of deep temporal models, gradient-boosted trees, and bagging-based forests offered in a pipeline that is strictly proven to be sound provides a scalable, interpretable, and high-precision short- to medium-range weather forecasting tool to support the needs of areas such as agriculture, disaster management, and the planning of renewable energy.

Posted using SteemX

Sort:  

🎉 Congratulations!

Your post has been upvoted by the SteemX Team! 🚀

SteemX is a modern, user-friendly and powerful platform built for the Steem community.

🔗 Visit us: www.steemx.org

✅ Support our work — Vote for our witness: bountyking5

banner.jpg

Great post! Featured in the hot section by @punicwax.