70-mile wave of butterflies lights up Denver weather radar – Vail Daily News

Vail Daily NewsDENVER (AP) — A lacy, cloud-like pattern drifting across a Denver-area radar screen turned out to be a 70-mile-wide (110-kilometer) wave of butterflies, forecasters say. Paul Schlatter of the National Weather Service said he first thought flocks of … and more …read more Source:: Denver, Colorado News From Google News

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