06.04.13 – When government officials and scientists get together to talk about space weather, the discussion usually centers on big events.
The Carrington superflare of 1859 set fire to telegraph stations in North America and Europe and sparked Northern Lights as far south as Cuba and Tahiti.
The Quebec blackout of 1989 cut power and heat to millions of people in Canada and caused more than 200 electrical anomalies across grids in the United States.
The Halloween storms of 2003 temporarily disabled instruments on dozens of Earth-orbiting satellites, with some experiencing permanent damage.