Wednesday, August 09, 2017

Space weather is back: Risk of damage to power grids from solar storms estimated at 7% over 10 years


The Weather Channel has reproduced a Reuters story by Deborah Zabarenko, “Solar Storms could knock out U.S. Power”, link

The story says that many coronal mass ejection events might cause voltage fluctuations leading to outages but stop short of massive transformer damage.  However, up to 365 major transformers in the U.S. could be in danger of needing replacement.


There is a 7% chance of a major event in the next ten years, as if this were “slight” in SPC terminology.
  
I passed the story along to Sinclair-owned television station WJLA this morning, hoping that the Weather Gang can cover space weather. 

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