Guardian Unlimited Observer | International | Sun's rays to roast Earth as poles flip 'These solar particles can have profound effects,' said Dr Paul Murdin, of the Institute of Astronomy, Cambridge. 'On Mars, when its magnetic field failed permanently billions of years ago, it led to its atmosphere being boiled off. On Earth, it will heat up the upper atmosphere and send ripples round the world with enormous, unpredictable effects on the climate.'

After reading The Left Behind Series, I could guess that the above speculation could lead to that one judgement where the Earth/humans are subjected to intense heat. But, like the scientists, it's just speculation.