Power flash

Power flash

A power flash is a flash of light caused by arcing electricity from damaged electrical equipment. They are often caused by tornadoes, and thus are used by storm spotters to spot tornadoes which would otherwise be invisible due to rain or darkness.

External links

* [http://www.spc.noaa.gov/faq/tornado/pwrflash.htm Power Flashes in a Giant Tornado]
* [http://wvlightning.com/glossary.shtml Lightning Dictionary]


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