URSIGRAM SYDNEY 28/0000UT MARCH 2023 GEOALERT SYD087 UGEOA 85303 30328 0000/ 4021/ 11281 20281 30281 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