Monsoon brings clouds, wind, rain and flooding to southern Arizona. One of the most impressive things monsoon is sure to bring is lightning.
TUCSON, Ariz. —"The story of lightning detection really starts in Arizona, starting the 1970s," said Ryan Said, the Senior Scientist at Vaisala in Louisville, Colo. Vaisala is a global leader in lightning study and detection.
That's where good, reliable lightning detection started. In the 1970s, researchers at the University of Arizona were looking at lightning physics and properties of lightning discharges. The researchers used that to design technology. Said described how lightning detection technology works today."So lightning is a is a huge electrical discharge and has a high electrical current. And anytime you have a high electrical current, you generate a radio pole. That's an electromagnetic wave. And what we do is we measure the precise time at which that radio wave arrives at multiple sensors that are strategically distributed throughout the US.
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