Lightning Streaks Across Night Sky in Flagstaff

Lightning flashed across the night sky over Flagstaff, Arizona, on August 15, as thunderstorms hit parts of the state.

The National Weather Service warned of “heavy rain, frequent cloud-to-ground lightning and up to penny-size hail” on Sunday night.

More storms were predicted for August 17, with the National Weather Service warning of severe thunderstorms for parts of Arizona, while flash flood warnings were issued for some areas. Credit: Deborah Lee Soltesz via Storyful

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