URSIGRAM SYDNEY 28/0000UT OCTOBER 2025 GEOALERT SYD301 UGEOA 85303 51028 0000/ 4021/ 11281 22282 30282 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