URSIGRAM SYDNEY 23/0000UT JUNE 2023 GEOALERT SYD174 UGEOA 85303 30623 0000/ 4021/ 12231 20231 30231 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