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Well it is Roswell: Enormous superstorms inthe shape of a UFO emerge over home of Area 51
In the alien invasion movie IndependenceDay, the spaceships which obliterate Earth's great cities emerge from vaststorm clouds just like these.
So it's fitting, then, that theseportentous swirling supercells appeared over Roswell, New Mexico, near the U.S.military's secret Area 51 base, where it is widely believed a UFO crashed in1947.
Jody Miller, from California, tracks down extreme weather conditions likethese, risking life and limb to photograph what are incredible examples of thepower of nature.
The pictures were taken one afternoon in June, as a fierce supercell loomedover the state of New Mexico.
Supercells are particular types ofthunderstorms that have a rotating updraft. This is also known as amesocyclone. Of the four classifications of thunderstorms (supercell, squallline, multi-cell, and single-cell), supercells are the overall least common andhave the potential to be the most severe.
They can occur anywhere in the world underthe right conditions, but they are most common in the Great Plains of the U.S.as well as the plains of Argentina, Uruguay and southern Brazil.
The storms they spawn can cause hail, flashfloods, barrages of cloud to ground lightning and even tornadoes - and poseextreme perils for people and aircraft. Mr Miller has been chasing such stormsfor two years.
He said: 'Everyone thinks that storm chasing is scary business. If you are inthe company of a trained meteorologist, as I was, you are in good hands and Inever felt any danger.
'Although it looks as though we are rightunderneath the storms they are still miles away and we watch them pass by from"photogenic" vantage points.'
The 63-year-old added: 'Having said that,one should never try it alone and always rely on a good meteorologist to guidehim or her near storms of this nature, as they are indeed violent and do wreakdamage on the areas that they pass directly over.
'Most of these storms pass over uninhabitedareas but when they do hit towns and cities the results can be tragic - andoften are.'