This is a fire tornado that emerged from a brush fire on Sunday near Hawaii's Mauna Kea volcano. National Geographic posted a gallery of amazing shots of these strange blazing whirlwinds. "Fire-Tornado Pictures: Why They Form, How to Fight Them"
David Pescovitz is Boing Boing's co-editor/managing partner. He's also a research director at Institute for the Future. On Instagram, he's @pesco.