My father called me today and asked not to live the house in midday. He said the sun is very active and there was a flare on the sun some hours ago and in some hours will reach the Earth.
I checked the news and found this:
http://www.cnn.com/2006/TECH/space/1...orm/index.html
"Space weather forecasters revised their predictions for storminess after a major flare erupted on the sun overnight threatening damage to communication systems and power grids while offering up the wonder of Northern Lights"