For National Geographic Daily News
Note: I reported and wrote this story in about four hours.
As the ice storm that pummeled much of the United States on Thursday continues to lock the country in a deep freeze, some areas may be more ready than others to deal with the consequences.
That's because a new index is under development that can be used to categorize expected damage from ice storms, dangerous phenomena that occur when rain freezes on contact with the ground or other surfaces. (Read more about weather and natural disasters.)