A photo of lightening over Cancun Mexico caused by Hurricane Dean. More pics inside the Hurricane Dean photo gallery.
(Scroll down and click on thumbnails to view each photo)
During the Mesozoic period when there were no polar ice caps storms like this were much worse with much greater frequency.
Most of the devastation of Hurricane Dean is being experienced so far in Jamaica but the storm will soon hit Cancun when it will likely be a category 5.
Here's a photo gallery of Hurricane Dean .