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This 70-Mile-Wide Blob Over Colorado Turns Out to Be Migrating Butterflies
Motherboard
On Tuesday, this happened IRL in Colorado, when the National Weather Service (NWS) radar imagery picked up a 70-mile-wide unidentified blob hovering over the Denver metropolitan area. Based on the shape and behavior of the swarm, NWS at first …
70-Mile-Wide Butterfly Migration Detected on Radar in ColoradoThe Weather Channel
A wave of butterflies drifting across Colorado was so big, it showed up on weather radarBusiness Insider

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