MARILYN CORNWELL

I am compelled to look at the official weather forecast for this winter.  That's because  Polar Vortex  is in the title.  What abou...

The polar vortex is at both poles.  It weakens in the summer and strengthens in the winter.  Whose summer and whose winter - aren't ...

Solar Day This was one of the Polar Vortex images from last year.  The temperatures were so low that frost built up in complicated pattern...