Abstract
In this talk, we present our machine learning efforts, which show great
promise towards early predictions of solar flare events. (1) We present
a data pre-processing pipeline that is built to extract useful data from
multiple sources – Geostationary Operational Environmental Satellites
(GOES) and Solar Dynamics Observatory (SDO)/Helioseismic and Magnetic
Imager (HMI) and SDO/Atmospheric Imaging Assembly (AIA) – to prepare
inputs for machine learning algorithms. (2) For our strong/weak flare
classification model, case studies show a significant increase in the
prediction score around 20 hours before strong solar flare events, which
implies that early precursors appear at least 20 hours prior to the peak
of a flare event. (3) We develop a mixed Long Short Term Memory (LSTM)
regression model to predict the maximum solar flare intensity within a
24-hour time window. (4) Our ongoing and future work will also be
briefly mentioned.