URSIGRAM SYDNEY 16/0000UT SEPTEMBER 2025 GEOALERT SYD259 UGEOA 85303 50916 0000/ 4021/ 11161 22161 30161 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