10MeV (S1) Proton/PCA Event Ended 15 03 2023 0515UT 10MeV Maximum proton flux of 2.20E+01 PFU (S1) observed at 15 03 2023 0425UT Australian Space Weather Forecasting Centre Bureau of Meteorology ASWFC at bom.gov.au www.bom.gov.au | www.sws.bom.gov.au