URSIGRAM SYDNEY 27/0000UT MARCH 2025 GEOALERT SYD086 UGEOA 85303 50327 0000/ 4021/ 11271 23271 30271 99999 PLAIN MAGNETIC FORECAST: MAJOR 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