[GEOALERT](#170) from SYDNEY issued on 18/00:00UT 

  Local Observation

     Ground-based solar data : radio and solar optical
     Space-based solar data  : none
     Magnetic data           : ground-based magnetometers
     Ionospheric data        : ionosondes
  ALERTS & ADVICES (FORECASTS)
      Flare forecast on 18(1days) : ERUPTIVE
      Magnetic forecast on 18(1days) : QUIET
      Proton forecast on 18(1days) : QUIET