URSIGRAM SYDNEY 31/0000UT DECEMBER 2022 GEOALERT SYD365 UGEOA 85303 21231 0000/ 4021/ 12311 21311 30311 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