'A lot has changed': NOAA is rewriting the book on how to rank solar storms  

 NOAA is researching how to update its Space Weather Scales and how it can better communicate its space weather forecasts with the public and government agencies. 

https://cdn.mos.cms.futurecdn.net/jPtbrceFv3rrLyqChGWNqC.jpg

https://www.space.com/noaa-new-space-weather-scales