NOAA has issued a Severe (G4) Geomagnetic Storm Watch due to an uncommonly powerful solar storm that may disrupt electronic devices and power grids, while also creating a spectacular aurora. The last such alert was in 2005. The storm could impact infrastructure, wipe out the internet, and trigger auroras as far south as Alabama and Northern California.
Key Points
NOAA issued a Severe (G4) Geomagnetic Storm Watch due to a powerful solar storm
The storm may disrupt electronic devices and power grids, while also causing auroras
Last similar alert was in 2005
Pros
Early warning allows for preparation and protective action
May lead to spectacular auroras visible in unusual locations
Cons
Disruption of electronic devices and power grids
Potential impact on infrastructure and communication systems