Thunderstorms

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All thunderstorms produce lightning, which can cause serious injuries and fatalities. In the United States, lightning kills an average of 80 people and injures 300 each year. Other thunderstorm hazards include tornadoes, strong winds, hail, and flash flooding. Flash flooding is the deadliest thunderstorm-related hazard, causing more than 140 deaths annually.

Before a Thunderstorm
  • If thunder roars, go indoors. No place outside is safe when lightning is nearby.
  • Listen to local NOAA Weather Radio or local radio and television for the latest weather updates.
  • Remove dead trees and branches, and secure outdoor objects that could blow away or cause damage.

 

During a Thunderstorm
  • Secure windows and outside doors with shutters. If unavailable, close blinds, shades or curtains.
  • If on open water, get to land and seek shelter immediately.
  • Avoid isolated sheds, small structures in open areas and metal objects or equipment, including tractors, motorcycles and golf carts.
  • If caught outdoors, seek shelter in a low area away from trees and flying debris. Watch for flash flooding.
  • If your hair stands on end, lightning may be about to strike. Crouch low on the balls of your feet, cover your ears, and lower your head between your knees. Minimize contact with the ground. Do not lie flat.

 

After a Thunderstorm

The following are things you should check when you attempt to give aid to a victim of lightning:

Check the victim’s condition and call 911 immediately.

  • Breathing: If the victim is not breathing normally, begin CPR if trained and provide rescue breaths if able.
  • Pulse: Check for a pulse if trained. If there is no pulse, begin CPR and use an AED if available.
  • Other injuries: If the victim is breathing, check for burns, broken bones, hearing or vision loss, and signs of nervous system injury.