No, but the chances are smaller when it is cold out.
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The Snow Leopard survives in warm weather too but is well
adapted to cold.
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No they are too close to the equator for snow
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Because it's way to cold there! It's too cold to grow trees and
if it ever rained (which it doesn't) the rain would freeze and turn
into ice crystals (snow)
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No. Tornadoes are often accompanied by rain or hail, but if it
is cold enough for snow, it is too cold for a tornado.