URSIGRAM SYDNEY 27/0000UT MARCH 2023 GEOALERT SYD086 UGEOA 85303 30327 0000/ 4021/ 11271 21271 30271 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