Ferguson LPS, Inc.

P.O. Box 153

Maryville, MO 64468

:: 1.660.562.7696

  
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Lightning travels the path of least resistance, often seeking out tall or metal objects. A ‘tall’ object can be an office building, a tree or a child on a soccer field. Be warned, lightning can and does strike just about any object in its path.

- Lightning Protection Institute
 

 

  
 Frequently Asked Questions
Q. How does lightning form?
A. Lightning, a flow of electrical current between the earth and storm clouds, occurs as varying charges of positive and negative polarity build up in the atmosphere during a storm.  As this downward force nears the earth's surface, positive charges rise up to meet it.  As the negatively charged stepped leader thrusts toward the ground readying to discharge its energy, its path is erratic.  Nearing the earth, positive charges are attracted by it and strain up from roof edges, lightning poles, antennas, etc.  When the two opposing charge systems meet, they create a closed circuit.  As the path to the ground is completed, a flash is created.
 
Q. What happens when a building is struck by lightning?
A. A lightning strike to an unprotected building can be catastrophic.  Packing up to a million volts of electricity and a force comparable to that of a small nuclear reactor, lightning has the power to rip through roofs, explode walls of brick and concrete and ignite deadly fires.  In addition to structural damage, lightning surges throughout power lines causing wire damage and destruction of valuable electronic equipment including computers, televisions, stereos, security systems, etc.
 
Q. How does a lightning protection system work?
A. A lightning protection system provides a designated path for the lightning current to travel.  The system neither attracts nor repels a lightning strike, but simply intercepts and guides the current harmlessly to the ground.
 

WHEN LIGHTNING STRIKES

Seek a safe shelter immediately!  If you're unable to find shelter in a building or residence that is equipped with a lightning protection system, we suggest the following safety guidelines:

 

 

INDOORS

- Stand clear of windows, doors and electrical appliances.

- Unplug appliances well before a storm -- never during.

- Avoid contact with piping including sinks, baths & faucets.

- Do not use the telephone except for emergencies.

 

OUTDOORS

Look for a shelter equipped with a lightning protection system like those found at golf courses, public parks or pools.

If you're caught outside and unprotected:

- Get in a hard topped car.

- Never use a tree as a shelter.

- Avoid areas that are higher than the surrounding landscape.

- Keep away from metal objects including bikes, golf carts, fencing, machinery, etc.

- Avoid standing near tall objects.

- Immediately get out and away from pools, lakes and other bodies of water.

- Spread out -- don't stand in a crowd of people.

- If you feel a tingling sensation or your hair stands on end, lightning may be about to strike!  Immediately crouch down and cover your ears.  Do not lie down or place your hands on the ground.

 

Victims of lightning shock should be administered CPR if necessary, and seek medical attention immediately.

 

 

 

 

 

 

 
 
 
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