ATOC 1050 Chapters 20 notes

ATOC 1050 Chapters 20 notes - Chapters 20 Rauber Lightning...

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Chapters 20, Rauber –Lightning I. Lightning A. is an electrical discharge in the atmosphere. B. There are about 100 lighting strokes every second C. Lightning kills more people than any other natural hazard. D. Lightning stokes are generally about 3 miles long and the channel is about 1 inch in diameter E. Lightning can reach temperatures of 54,000 ° F (5 to 6 times hotter than the surface of the sun) which is why you can get “fried” if you get hit by lightning. G. The lightning “capitol” of the USA is Florida. 1
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H. The USA averages about 70 deaths per year due to lightning and most of those occur in Florida. I. Why does lightning occur? 1. Charge separation due to colliding ice (including hail) particles: a). All conductors, including water and ice, have a specific average arrangement of electrons within the atoms on its surface b). An electrical field exists between 2 conductors that have different arrangements of electrons on the respective surfaces c). A brief current can flow between the 2
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ATOC 1050 Chapters 20 notes - Chapters 20 Rauber Lightning...

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