GGYTT GM

GGYTT GM For nearly 3,000 years, we've been fascinated by the mesmerizing qualities of lightning

In particular, Lake Maracaibo, right off the Caribbean Sea, holds the record for "highest concentration of lightning," a...
04/12/2021

In particular, Lake Maracaibo, right off the Caribbean Sea, holds the record for "highest concentration of lightning," according to The Guinness Book of World Records. There, you'll find the Catatumbo lightning—colloquially, and terrifyingly, known as the "everlasting storm"—a weather phenomenon that averages about 260 storm days per year, 150 of which feature lightning. Sometimes, there are nearly 30 lightning flashes per minute.

Of the top 15 U.S. counties with the most lightning strikes in 2018, 14 were in Florida. Thanks to its geography—bordere...
04/12/2021

Of the top 15 U.S. counties with the most lightning strikes in 2018, 14 were in Florida. Thanks to its geography—bordered by ocean on three sides in a subtropical climate—you'll find almost daily thunderstorms in some part of the state. The most-struck part? The aptly named "Lightning Alley," between Tampa and Orlando.

As Uman explains, a radar set can send out "electromagnetic pulses, which are reflected back by certain objects (e.g. me...
04/12/2021

As Uman explains, a radar set can send out "electromagnetic pulses, which are reflected back by certain objects (e.g. metallic airplanes)." The pulses travel at 186,000 miles per second. So measuring the time that elapses between the emission of a pulse and when its reflection is received allows for the distance to be measured.

Something as short-lived as a lightning bolt can be difficult to measure. For example, have you ever seen lightning with...
04/12/2021

Something as short-lived as a lightning bolt can be difficult to measure. For example, have you ever seen lightning without clouds? Probably not.

That's because, though photos can be helpful in determining the general size of a lightning bolt, they don't capture bolts inside the clouds. As a result, scientists consider photography to be one of the lesser-effective means for measuring lightning.

Lightning researcher Martin Uman has observed lightning channels as long as 90 miles.
04/12/2021

Lightning researcher Martin Uman has observed lightning channels as long as 90 miles.

Photographs seem to indicate that the "channel diameter" of lightning bolts averages between two and seven inches. But r...
04/12/2021

Photographs seem to indicate that the "channel diameter" of lightning bolts averages between two and seven inches. But researchers who examined melted metal locations where a bolt has hit believe they're closer to a just about an inch in diameter.

Not only does it strike the same places more than once, but also a single lightning bolt can strike more than one place ...
04/12/2021

Not only does it strike the same places more than once, but also a single lightning bolt can strike more than one place at the same time. Double—or even triple—lightning strikes are not uncommon. For example, a couple years ago, one videographer recorded a single lightning strike hitting three of Chicago's tallest buildings: the Willis Tower, Trump Tower, and the John Hancock Building.

It's a myth that lightning never strikes the same place twice. Not only that, but some places (like tall buildings or ar...
04/12/2021

It's a myth that lightning never strikes the same place twice. Not only that, but some places (like tall buildings or areas with particularly conducive topography) can see dozens or even hundreds of lightning strikes. For instance, the Empire State Building is reportedly struck by lightning roughly 23 times per year.

Allow us to explain that last fact. Technically, those 50,000 degrees are actually the temperature of the air or other m...
04/12/2021

Allow us to explain that last fact. Technically, those 50,000 degrees are actually the temperature of the air or other materials as the lightning passes through it. The bolt itself is a movement of electrical charges, and for that reason, it does not actually have a temperature itself.

Though predictions range, experts say that can be as hot as 50,000 degrees Fahrenheit. If that's hard to imagine, allow ...
04/12/2021

Though predictions range, experts say that can be as hot as 50,000 degrees Fahrenheit. If that's hard to imagine, allow us to put it in context: That's three times hotter than the surface of the sun. No wonder any water in lightning's path is immediately vaporized.

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