URSIGRAM SYDNEY 12/0000UT OCTOBER 2025 GEOALERT SYD285 UGEOA 85303 51012 0000/ 4021/ 11121 22121 30121 99999 PLAIN MAGNETIC FORECAST: MINOR STORM due to CORONAL HOLE BT Australian Space Weather Forecasting Centre Bureau of Meteorology ASWFC at bom.gov.au www.bom.gov.au | www.sws.bom.gov.au