URSIGRAM SYDNEY 16/0000UT OCTOBER 2024 GEOALERT SYD290 UGEOA 85303 41016 0000/ 4021/ 11161 21161 30161 99999 PLAIN MAGNETIC FORECAST: ACTIVE 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