Extreme Solar Eruptions of October-November 2003 Extreme flare size (>X28) Extreme CME speed (2700 km/s) Extreme concentration of energetic CMEs Extreme concentration of IP radio bursts Extreme AR area: 0.26% of solar surface Extreme SEP event: 33,000 pfu Extreme ICME magnetic field ~ 60 nT Extreme geoimpact: nT Extreme solar wind speed (~2000 km/s)
