Re: Lightning creates a vacuum in the surrounding air; how is it defined?

Date: Mon Oct 23 19:53:17 2000
Posted By: Robert Kribel, Faculty, Physics, Auburn University
Area of science: Physics
ID: 971548467.Ph

Message:


The lightning bolt causes the local air temperature to rise very rapidly 
producing a very rapid expansion.  However, there is not vacuum produced.  
The dynamics of the lighning bolt are similar to those in an explosion.  
The pressure increases rapidly causing an expansion.  The air density does 
decrease but never vanishes.

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