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Tropical Cyclone Track Forecasting using Fused Deep Learning from Aligned Reanalysis Data

By Sophie Giffard-Roisin, Mo Yang, Guillaume Charpiat, Christina Bonfanti, Balázs Kégl and Claire Monteleoni


International audienceThe forecast of tropical cyclone trajectories is crucial for the protection of people and property. Although forecast dynamical models can provide high-precision short-term forecasts, they are computationally demanding, and current statistical forecasting models have much room for improvement given that the database of past hurricanes is constantly growing. Machine learning methods, that can capture non-linearities and complex relations, have only been scarcely tested for this application. We propose a neural network model fusing past trajectory data and reanalysis atmospheric images (wind and pressure 3D fields). We use a moving frame of reference that follows the storm center for the 24h tracking forecast. The network is trained to estimate the longitude and latitude displacement of tropical cyclones and depressions from a large database from both hemispheres (more than 3000 storms since 1979, sampled at a 6 hour frequency). The advantage of the fused network is demonstrated and a comparison with current forecast models shows that deep learning methods could provide a valuable and complementary prediction. Moreover, our method can give a forecast for a new storm in a few seconds, which is an important asset for real-time forecasts compared to traditional forecasts

Topics: fused deep learning, tropical cyclones, tracking forecast, reanalysis data, machine learning, [PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [], [INFO.INFO-LG]Computer Science [cs]/Machine Learning [cs.LG], [STAT.ML]Statistics [stat]/Machine Learning [stat.ML], [SDU.STU.ME]Sciences of the Universe [physics]/Earth Sciences/Meteorology, [INFO.INFO-AI]Computer Science [cs]/Artificial Intelligence [cs.AI], [SDU.OCEAN]Sciences of the Universe [physics]/Ocean, Atmosphere
Publisher: 'Frontiers Media SA'
Year: 2020
DOI identifier: 10.3389/fdata.2020.00001
OAI identifier: oai:HAL:hal-02329437v2
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