URSIGRAM SYDNEY 09/0000UT AUGUST 2025 GEOALERT SYD221 UGEOA 85303 50809 0000/ 4021/ 12091 21092 30091 99999 PLAIN MAGNETIC FORECAST: ACTIVE due to CORONAL HOLE BT Australian Space Weather Forecasting Centre Bureau of Meteorology ASWFC at bom.gov.au www.bom.gov.au | www.sws.bom.gov.au