URSIGRAM SYDNEY 18/0000UT JANUARY 2026 GEOALERT SYD018 UGEOA 85303 60118 0000/ 4021/ 12181 22182 30181 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