Look up tonite.
Great chance for Northern Lights. Rare since it always seems to be overcast whenever we have a chance to see them. Not too good for HF propagation thou.
This from a NPR article this evening
Begin article:
Late Friday, the National Oceanic and Atmospheric Administration declared that the planet was experiencing a G5, or "Extreme," geomagnetic storm. This is the first G5 storm to hit the planet since 2003.
NOAA warns several waves of flares will slam into the Earth over the next few hours and days, potentially disrupting communications and navigation, triggering power outages and damaging satellites.