All rights reserved.lightning too distant for thunder to be heard, observed as diffuse flashes near the horizon on summer evenings.flashes of light seen near the horizon, esp on hot evenings: reflections of more distant lightningIntermittent flashes of reddish or orange light near the horizon, usually seen on a hot summer evening and unaccompanied by thunder. The wind had fallen asleep in the pinelands and lurid sheets of heat-lightning flickered across the northern skies.The night was pitch dark, except for pulses of heat-lightning, now and then, far to westward.But now and then, for an instant, the post sprang into sight out of the blackness to the weird play of the heat-lightning.It reminded the other man of heat-lightning on a dark skyline.Then the heat-lightning smile played about the hollow face again.“Epidemic” vs. “Pandemic” vs. “Endemic”: What Do These Terms Mean?All Of These Words Are Offensive (But Only Sometimes)Absentee Ballot vs. Mail-In Ballot: Is There A Difference?“Unalienable” vs. “Inalienable”: Is There A Difference?“Affect” vs. “Effect”: Use The Correct Word Every TimeIt’d be a real faux pas to miss this quiz on the words from August 3–9, 2020!to waver in mind or opinion; be indecisive or irresolute.Dictionary.com Unabridged

Instead, the faint flash seen by the observer is light being reflected off higher-level clouds. Depending on how far you are from the source, thunder can just be a low rumble, or a loud crack.

"You sometimes see the lightning flash but you are too far away to hear the thunder. Thunder is the sound caused by lightning.

It is caused by distant storms, and it is commonly associated with summer storms, when the temperatures are warm, hence the “heat” in the name. Light travels further than sound.

Also, a flash of lightning, however, can be seen from up to 100 miles away.

That amount of energy can heat the air between 18,000 degrees Fahrenheit (9,982 degrees Celsius) and 60,000 F (33,315 C). Heat lightning is thought to be the reflection of distant lightning on clouds. It was a beautiful and mesmerizing sight #lightning #thunder #heat-lightning. Heat lightning definition is - vivid and extensive flashes of electric light without thunder seen near the horizon especially at the close of a hot day and ascribed to far-off lightning … News Corp is a network of leading companies in the worlds of diversified media, news, education, and information services.AS the UK is battered by summer storms triggered by a sweltering heatwave, the nation is experiencing a phenomenon that has left many baffled.Silent lightning has swept across with UK.

Published by Houghton Mifflin Harcourt Publishing Company. The phenomenon that is called silent or heat lightning is simply cloud-to-ground lightning that occurs very far away, with thunder that dissipates before it reaches the observer and cannot be heard. See more.

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The term heat lightning is commonly used to describe lightning from a distant thunderstorm which is too far away to hear the accompanying thunder.

Also, the sound of thunder can only be heard for about 10 miles from a flash.

This is because the movement of sound in the atmosphere depends on the temperature and density of the air, which both change with height. Luke TheNotable 22,704,775 views Heat lightning definition, lightning too distant for thunder to be heard, observed as diffuse flashes near the horizon on summer evenings. The lightning was on for more than 60 minutes without any sound. The term heat lightning is commonly used to describe lightning from a distant thunderstorm which is too far away to hear the accompanying thunder.