Lightning Hazards

Download Hazards Information


Colorado ranks 8th in the nation for number of injuries and deaths caused by lightning. All thunderstorms produce dangerous lightning

  • Lightning can strike up to 10 miles away from rainfall
  • 10% of people struck by lightning die, and 7% of survivors suffer serious long-term effects
  • Lighting can strike in the same place twice – or more
  • Lighting strike victims need to receive immediate help

Outdoor Lightening Safety

Outdoors is the most dangerous place to be during a lightning storm

  • Take shelter in a building or an enclosed vehicle
  • Remember the 30 30 rule: Take cover if you hear thunder within 30 seconds of seeing lightning; wait at least 30 minutes after the last lightning flash or thunder before resuming outdoor activity
  • Do not touch anything metal

Avoid Standing Water

  • Most people struck by lightning are not in the rain; take shelter immediately
  • If you feel your hair stand on end or your skin tingle, squat low to the ground with your hands behind or on top of your head. DO NOT LIE FLAT ON THE GROUND!

Indoor Lightning Safety

  • Avoid hard-wired phones
  • Avoid using electrical equipment
  • Avoid plumbing – wait until the storm passes to wash your hands, do dishes, shower or do laundry
  • Stay away from doors and windows
  • Do not lie on concrete floors