URSIGRAM SYDNEY 03/0000UT DECEMBER 2022 GEOALERT SYD337 UGEOA 85303 21203 0000/ 4021/ 11031 21031 30031 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