URSIGRAM SYDNEY 21/0000UT APRIL 2023 GEOALERT SYD111 UGEOA 85303 30421 0000/ 4021/ 11211 21211 30211 99999 PLAIN MAGNETIC FORECAST: ACTIVE due to FILAMENT BT Australian Space Weather Forecasting Centre Bureau of Meteorology ASWFC at bom.gov.au www.bom.gov.au | www.sws.bom.gov.au