URSIGRAM SYDNEY 21/0000UT MAY 2023 GEOALERT SYD141 UGEOA 85303 30521 0000/ 4021/ 13211 20211 30211 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