URSIGRAM SYDNEY 27/0000UT AUGUST 2023 GEOALERT SYD239 UGEOA 85303 30827 0000/ 4021/ 11271 20271 30271 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