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How far away is a thunderstorm if you SEE a flash of lightning and then HEAR thunder 10 seconds later?
Wiki User
∙ 14y ago
When lightning occurs and creates thunder you see the lightning immediately because light travels so fast (abot 186,000 miles per second). But sound travels much slower so you don't hear the thunder until several seconds after it occurs. I believe the approximate rule that is used is sound travels about 1 mile in 5 seconds. So if it is 15 seconds before you hear the thunder then the storm is about 3 miles away.
Wiki User
∙ 15y ago
Wiki User
∙ 12y agoSound travels around 1100 ft/sec, so every 5 seconds is about a mile away.
(or every 3 seconds is a kilometer)
This is not reliable for close distances, because you may hear thunder from a bolt apparently a distance away, but you are actually hearing it at a substantial altitude as well. Counting only tells you how far you are from the bolt in a straight line, and it may have been travelling away from you, while the next bolt may be travelling toward you.
Wiki User
∙ 13y agoapproximately 3 seconds per Km so just over 3 Km
Wiki User
∙ 14y agoIgnoring the time it takes for the light to reach you, 3.4 kilometres or 2.1 miles.
Wiki User
∙ 14y agowell if you use the 1 second per mile method it's about 10 miles but not exactly 10 miles
Wiki User
∙ 6y agoApproximately 2.5 miles. Every 4 second delay is the equivalent of one mile.
Wiki User
∙ 15y ago100 MILES AWAY 1 SEC.= 7 MILE
Wiki User
∙ 14y agoTen miles
Wiki User
∙ 13y ago2 miles.
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What is a flash of lightning and the thunder that follows?
thunderstorm
You hear thunder 13.9 seconds after a lightning flash how far are you from lightning?
then the lightning is 2.78 miles away from you.
How many seconds do you need to find the miles to the lightning?
-- Count seconds between the flash of lightning and the thunder -- Divide by 5. -- The result is the number of miles between you and the lightning
Why do sometimes hear thunder at about the same time you see flash of lightning but other times you hear thunder after the flash?
If you hear the thunder almost at the same time as the lightning flash - the storm is directly overhead. Usually - the sound of thunder arrives a few seconds after the lightning, because light travels much faster than sound.
There is a delay of 5 seconds between the time you see a flash of lightning and hear the thunder?
the lightning is roughly a mile away
What is a flash of lightning and the thunder that follows?
thunderstorm
What is flash of lightning and the thunder that follows?
thunderstorm
How is thunder produced and how far away does the lightning strikes if the thunder is heard 15 seconds after the lightning is seen?
Thunder - is the result of a lightning flash. The flash causes the surrounding air to move away from the source at 300 metres/second. An approximate calculation for the relationship between the lightning flash to hearing the thunder, is 5 seconds per mile.
You hear thunder 13.9 seconds after a lightning flash how far are you from lightning?
then the lightning is 2.78 miles away from you.
How do you figure out far you are from the lightning in a thunderstorm?
The next time theres a thunderstorm, try a little experiment with sound. Try to time how long it takes distant sounds to reach you. From the safety of our home, count the seconds between the time you see a flash of lightning and the time you hear the noise of the thunder.
How many seconds do you need to find the miles to the lightning?
-- Count seconds between the flash of lightning and the thunder -- Divide by 5. -- The result is the number of miles between you and the lightning
Why do sometimes hear thunder at about the same time you see flash of lightning but other times you hear thunder after the flash?
If you hear the thunder almost at the same time as the lightning flash - the storm is directly overhead. Usually - the sound of thunder arrives a few seconds after the lightning, because light travels much faster than sound.
There is a delay of 5 seconds between the time you see a flash of lightning and hear the thunder?
the lightning is roughly a mile away
How do you estimate how far lightning is away from you?
To estimate your distance from a thunderstorm count the number of seconds between a flash of lightning and the next clap of thunder. Divide your answer by 5. See the related link below.
What is heat lightning?
Heat lightning is lightning from a distant thunderstorm. Because of the great distance, you never hear the thunder, and usually do not see the bolt, but rather a flash in distant clouds. It is usually seen at night.
Does thunder have a flash?
No. Lighting produces a flash. Thunder is the sound the lightning produces.
Lightning is a bright flash of electricity produced by?
Lightning is known as a bright flash of electricity produced by a thunderstorm.
