URSIGRAM SYDNEY 15/0000UT DECEMBER 2024 GEOALERT SYD350 UGEOA 85303 41215 0000/ 4021/ 11151 21151 30151 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