URSIGRAM SYDNEY 06/0000UT MARCH 2023 GEOALERT SYD065 UGEOA 85303 30306 0000/ 4021/ 12061 21061 30061 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