URSIGRAM SYDNEY 27/0000UT APRIL 2026 GEOALERT SYD117 UGEOA 85303 60427 0000/ 4021/ 13271 20271 30271 99999 PLAIN MAGNETIC FORECAST: QUIET BT Australian Space Weather Forecasting Centre Bureau of Meteorology ASWFC at bom.gov.au www.bom.gov.au | www.sws.bom.gov.au