URSIGRAM SYDNEY 28/0000UT MAY 2025 GEOALERT SYD148 UGEOA 85303 50528 0000/ 4021/ 12281 21282 30281 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