Conclusion

     
  • Extreme strong microwave S-component (F10.7 cm) -- enhanced emission in strong magnetic fields of the transition region and low corona; thermal and nonthermal components;
  • Extreme strong metric-wavelength noise storm  -- permanent particle acceleration in strong evolving coronal magnetic fields;

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  • CME/flare-associated events: intense metric emission (type II/IV bursts) and predominated post-eruptive microwave component;

  • CME/filament-associated event: relatively faint, prolonged electromagnetic emission;

  • A puzzle of narrow-band type II bursts in eruptive events with a grandiose halo CME.


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