URSIGRAM SYDNEY 18/0000UT DECEMBER 2022 GEOALERT SYD352 UGEOA 85303 21218 0000/ 4021/ 12181 20181 30181 99999 PLAIN MAGNETIC FORECAST: QUIET BT Australian Space Weather Forecasting Centre Bureau of Meteorology ASWFC at bom.gov.au www.bom.gov.au | www.sws.bom.gov.au