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Application of Test Particle Simulations to Solar Energetic Particle Forecasting

Published online by Cambridge University Press:  24 July 2018

S. Dalla Open the ORCID record for S. Dalla [Opens in a new window] ,
B. Swalwell Open the ORCID record for B. Swalwell [Opens in a new window] ,
M. Battarbee ,
M. S. Marsh ,
T. Laitinen Open the ORCID record for T. Laitinen [Opens in a new window]  and
S. J. Proctor
S. Dalla
Affiliation:
University of Central Lancashire, Preston, PR1 2HE, UK
B. Swalwell
Affiliation:
University of Central Lancashire, Preston, PR1 2HE, UK
M. Battarbee
Affiliation:
University of Central Lancashire, Preston, PR1 2HE, UK
M. S. Marsh
Affiliation:
Met Office, Exeter, UK
T. Laitinen
Affiliation:
University of Central Lancashire, Preston, PR1 2HE, UK
S. J. Proctor
Affiliation:
University of Central Lancashire, Preston, PR1 2HE, UK
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Abstract

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Modelling of Solar Energetic Particles (SEPs) is usually carried out by means of the 1D focused transport equation and the same approach is adopted within several SEP Space Weather forecasting frameworks. We present an alternative approach, based on test particle simulations, which naturally describes 3D particle propagation. The SPARX forecasting system is an example of how test particle simulations can be used in real time in a Space Weather context. SPARX is currently operational within the COMESEP Alert System. The performance of the system, which is triggered by detection of a solar flare of class >M1.0 is evaluated by comparing forecasts for flare events between 1997 and 2017 with actual SEP data from the GOES spacecraft.

Keywords

Sun: particle emission
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S335: Space Weather of the Heliosphere: Processes and Forecasts , July 2017 , pp. 268 - 271
Copyright
Copyright © International Astronomical Union 2018 

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