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[The Science of Lightning and the Mystery of the Everlasting Storm]-[The Curious Case of the Everlasting Storm]

Wow in the World · B1 · 2018-07-23

Preschool Enlightenment
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📋 Summary

Unraveling the Mysteries of Lightning and Catatumbo

In this episode of Wow in the World, Mindy and Guy Raz explore the fascinating science behind thunderstorms and investigate one of the most electric places on Earth: the Catatumbo River in Venezuela.

The Electrifying Science of Lightning

Guy Raz, initially fearful of thunderstorms, learns that understanding the science behind the phenomenon can make it less intimidating. Mindy explains that lightning is essentially a giant, natural battery. Inside a storm cloud, tiny bits of ice—essentially frozen raindrops—collide with one another. These collisions build up an immense electrical charge.

This charge separates, with positively charged protons floating to the top of the cloud and negatively charged electrons settling at the bottom. When the negative electrons jump across the cloud or down to the positively charged ground, we see a bolt of lightning. Mindy notes that these storm clouds can hold up to 100 million volts of electricity, enough energy to power 30,000 homes. Furthermore, lightning is incredibly hot, reaching temperatures of 54,000 degrees Fahrenheit (30,000 degrees Celsius), which is six times hotter than the surface of the sun.

Understanding Thunder

While lightning is the visual streak of electricity, thunder is the sound that follows. Mindy explains that when a lightning bolt cuts through the air, it creates a channel. Once the electricity vanishes, the air collapses back into that channel, creating a shockwave. This collapse produces the sound we perceive as thunder, acting much like a popping balloon.

The Everlasting Storm: Catatumbo

Moving beyond basic meteorology, the duo travels to Catatumbo Bay in Venezuela to witness the "Relampago del Catatumbo," also known as the "Everlasting Storm." This unique meteorological phenomenon rages for approximately 260 nights a year, occurring for about 10 hours at a time with up to 280 lightning strikes per hour.

Historically, sailors referred to this as the "Lighthouse of Catatumbo" because the constant flashes of light served as a navigational guide. While the exact cause of this persistent activity remains a mystery, scientists have utilized data from the Tropical Rainfall Measuring Mission (TRMM) and satellite-based "lightning image sensors" to map lightning hotspots. These satellites confirmed that Catatumbo is indeed the most electric place on Earth, surpassing other contenders like Kifuka in Central Africa and the Brahmaputra Valley in India. Researchers hope that newer technology, such as the GEOS-17 satellite, will provide deeper insights into why this specific region experiences such continuous, high-frequency lightning activity.

By demystifying the science behind these natural forces, the episode highlights how curiosity and scientific exploration help us better understand the wonders of our world.

🎯Key Sentences

1
I'm sorry.
2
What else do I have?
3
Check this out.
4
Well, it's a little embarrassing, but...
5
Don't feel embarrassed.
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📝Key Phrases

1
music to your ears
2
scared me half to death
3
you'll grow into it
4
invention of my own creation
5
picking up what I'm putting down
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📖 Transcript

Grownups, Wondery Plus subscribers can listen to Wow in the World early and ad-free right now.
Join Wondery Plus in the Wondery app or Wondery Kids Plus on Apple Podcasts.
Hey, Wowzer fans, Mindy here.
And before we start the show, I gotta let you know that this November, with a special new episode featuring our friends at Circle Round and Terrestrials on Radiolab for Kids,
And don't miss when Elmo from Sesame Street stops by Wow in the World to make us all belly laugh on November 24th.
Oh, but that's not all, Reg.

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