URSIGRAM SYDNEY 31/0000UT OCTOBER 2025 GEOALERT SYD304 UGEOA 85303 51031 0000/ 4021/ 11311 22311 30311 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