10MeV (S1) Proton/PCA Event Ended 27 08 2025 1305UT 10MeV Maximum proton flux of 1.39E+01 PFU (S1) observed at 27 08 2025 0740UT Australian Space Weather Forecasting Centre Bureau of Meteorology ASWFC at bom.gov.au www.bom.gov.au | www.sws.bom.gov.au