URSIGRAM SYDNEY 23/0000UT MARCH 2026 GEOALERT SYD082 UGEOA 85303 60323 0000/ 4021/ 11231 23231 30231 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