URSIGRAM SYDNEY 18/0000UT JULY 2025 GEOALERT SYD199 UGEOA 85303 50718 0000/ 4021/ 11181 21181 30181 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