A Bespoke Workflow Management System for Data-Driven Urgent HPC. - Gordon P. S. Gibb; Nick Brown 002; Rupert W. Nash; Miguel Mendes; Santiago Monedero; Humberto Díaz Fidalgo; Joaquín Ramírez Cisneros; Adrián Cardil; Max Kontak (UrgentHPC@SC, 2020)