URSIGRAM SYDNEY 07/0000UT DECEMBER 2023 GEOALERT SYD341 UGEOA 85303 31207 0000/ 4021/ 12071 21071 30071 99999 PLAIN MAGNETIC FORECAST: ACTIVE due to CORONAL MASS EJECTION BT Australian Space Weather Forecasting Centre Bureau of Meteorology ASWFC at bom.gov.au www.bom.gov.au | www.sws.bom.gov.au