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Home Tips January 2011 Lightning, Thunder and the 30-30 Rule - January 13, 2011 - Daily Family Friendly Tips
Lightning, Thunder and the 30-30 Rule - January 13, 2011 - Daily Family Friendly Tips PDF Print E-mail
Written by Jenny Wanderscheid   
Lightning, Thunder and the 30-30 Rule

You can determine how close lightning struck to where you are by counting in seconds after you see lightning until you hear thunder. Divide by 5 for miles, divide by 3 for kilometers.

For Example:

  • You see lightning
  • You count 12 seconds and then you hear thunder

The lightning struck and the storm is approximately 4 kilometers or 2.4 miles away (12 seconds / 3 = 4 kilometers away; or 12 seconds / 5 miles = 2.4 miles away).

If you count less than 30 seconds: Practice the 30-30 rule:

Take appropriate shelter when you can count 30 seconds or less between lightning and thunder.

Remain sheltered for 30 minutes after the last thunder.

 

 

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Lightning, Thunder and the 30-30 Rule - January 13, 2011 - Daily Family Friendly Tips
Thursday, 13 January 2011
Lightning, Thunder and the 30-30 Rule You can determine how close lightning struck to where you are by counting in seconds after you see...

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Last Updated on Saturday, 01 January 2011 21:04
 

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