What Caused These Mysterious Rolling Snowballs? Scientists Struggle To Answer

With new human tracks in sight, people passing by were bewildered by the thousands of cylindrical snowballs that appeared in a central Idaho field overnight near the town of Picabo. The cylindrical formations — dubbed "snow rollers — are up to 18 inches tall and in many cases hollow in the center.

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According to The Associated Press, National Weather Service meteorologist Jay Breidenbach says snow rollers of that size are extremely rare — so rare, in fact, that scientists don't know exactly what factors are needed for nature to create them.

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Jay says that in general it's believed that a combination of just the right degrees of snow wetness, temperature, and wind are required. It takes a strong wind to roll the snow into bigger and bigger shapes but not too gusty of a wind, otherwise the fragile formations collapse.

"We know basically how they form and why they form, but we don't know the exact details," Breidenbach admits.

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Whatever factors it takes to create these phenomenons, we can certainly chalk them up to another example of God's amazing creation.