Here is a story about how solar storms could knock power down in some areas for months or even years sometime this decade.
http://www.ibtimes.com/articles/1941...gton-event.htm
NASA recently issued this very unusual "Family/Personal Preparedness" statement to its employees. There is no specific threat attached to it. Hmm...
http://www.nasa.gov/centers/hq/emerg...ess/index.html
... but putting one and one together, it may have something to do with the 2012 solar storms they have been warning about since 2006.
http://www.solar-storm-warning.com/