Assertion: hailstone's size | /r/CapableOf | remain challenging
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text: Winds hold hailstones in the air long enough to grow in sub-zero temperatures high in the atmosphere, but predicting the size of the stones remains challenging, the scientists said.
text: Winds hold hailstones in the air long enough to grow in sub-zero temperatures high in the atmosphere, but predicting the size of the stones remains challenging, the scientists said.