URSIGRAM SYDNEY 21/0000UT APRIL 2025 GEOALERT SYD111 UGEOA 85303 50421 0000/ 4021/ 12211 22213 30211 99999 PLAIN MAGNETIC FORECAST: MINOR STORM 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