Barking at Thunder

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After days of sun and blue skies and high, muggy temperatures, the clouds closed in, the sky darkened and the rain came. It was a relief. My morning routine is to get up early and sit outside before the sun starts to bake so that I can gather my thoughts for the day. During a recent storm which began in the night, I sat under the shelter of a side porch to watch the rain fall. My 15-pound, very smart, very fast Australian labradoodle Amie sat beside me.

As the sky darkened further and the rain fell harder, the thunder began, preceding and followed by lightning. At each roll of thunder, Amie leapt off the chair and ran into the yard barking fiercely at the thunder. She returned wet and satisfied when the sound abated and settled her soggy self back next to me. A few moments later, the thunder roared again louder and closer. Amie leapt to her feet and sprinted into the yard racing towards the river and the assaulting sound, barking at full volume.

“Don’t mess with me!” she seemed to be saying. “I’m not afraid! This is my home!” When the thunder retreated and the lightning blinked in the distance, Amie returned again soaked and settled beside me. After a third foray and defense against the thunder, I decided it was time to retreat inside. Despite her brave response and my enjoyment watching her and the storm, I take lightning seriously and decided the spectacle of a brilliant summer storm wasn’t worth the risk close-up. We watched the rest from the house with Amie at her post by the window and my morning thoughts unspooling on the sofa inside.

Barking at Thunder seems an apt description for our response to danger and the unexpected these days. My brave dog has no idea where the sound comes from, what it represents or how little damage thunder itself can do. Likely she doesn’t even see or register the lightning which is the danger. More to the point, she has no idea how irrelevant barking at the noise is, but her instinct is to protect and defend. The sound is fierce, even awe-inspiring so she responds in the way she knows.

The response to fear can often be as ineffectual as barking at thunder. I will resist taking this metaphor any further and leave it for readers to expand any wisdom or relevance it may have. I end with facts and advice on the literal example, not the metaphor, from the National Weather Service.

Happy summer…or winter depending on your hemisphere!

 

According to the National Weather Service:

Thunder is the sound caused by a nearby flash of lightning and can be heard for a distance of only about 10 miles from the lightning strike. The sound of thunder should serve as a warning to anyone outside that they are within striking distance of the storm and need to get to a safe place immediately!

Thunder is created when lightning passes through the air. The lightning discharge heats the air rapidly and causes it to expand. The temperature of the air in the lightning channel may reach as high as 50,000 degrees Fahrenheit, 5 times hotter than the surface of the sun. Immediately after the flash, the air cools and contracts quickly. This rapid expansion and contraction creates the sound wave that we hear as thunder.

Although a lightning discharge usually strikes just one spot on the ground, it travels many miles through the air. When you listen to thunder, you’ll first hear the thunder created by that portion of the lightning channel that is nearest you. As you continue to listen, you’ll hear the sound created from the portions of the channel farther and farther away. Typically, a sharp crack or click will indicate that the lightning channel passed nearby. If the thunder sounds more like a rumble, the lightning was at least several miles away. The loud boom that you sometimes hear is created by the main lightning channel as it reaches the ground.

Since you see lightning immediately and it takes the sound of thunder about 5 seconds to travel a mile, you can calculate the distance between you and the lightning. If you count the number of seconds between the flash of lightning and the sound of thunder, and then divide by 5, you’ll get the distance in miles to the lightning: 5 seconds = 1 mile, 15 seconds = 3 miles, 0 seconds = very close.

Keep in mind that you should be in a safe place while counting. Remember, if you can hear thunder, chances are that you’re within striking distance of the storm. You don’t want to get struck by the next flash of lightning.

 

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