URSIGRAM SYDNEY 19/0000UT MAY 2023 GEOALERT SYD139 UGEOA 85303 30519 0000/ 4021/ 12191 20192 30191 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