How long would it take to hear thunder from a lightning strike 2 miles away?

How long would it take to hear thunder from a lightning strike 2 miles away?

10 seconds
The Correct Method to Calculate Lightning Distance

If thunder is heard The lightning is . . .
10 seconds after a flash 2 miles away
15 seconds after a flash 3 miles away
20 seconds after a flash 4 miles away
25 seconds after a flash 5 miles away

How fast does the sound of thunder go?

about 340 meters per second
Thunder travels at the speed of sound and has a value of about 340 meters per second. The speed of sound in air at sea level moves about 1 mile every 5 seconds.

How long do you have to wait after thunder?

30 minutes
Because electrical charges can linger in clouds after a thunderstorm has seemingly passed, experts agree that people should wait at least 30 minutes after the last thunder before resuming outdoor activities.

Whats faster lightning or sound?

Lightning heats the air and causes shock waves. Lightning and thunder happen at the same time. But you see lightning before you hear thunder because light, which travels a million times faster than sound, arrives almost instantly. Sound, on the other hand, takes about five seconds to travel one mile.

How fast is the speed of dark?

Darkness travels at the speed of light. More accurately, darkness does not exist by itself as a unique physical entity, but is simply the absence of light.

What is the 30-30 rule for lightning?

When You See Lightning, Count The Time Until You Hear Thunder. If That Is 30 Seconds Or Less, The Thunderstorm Is Close Enough To Be Dangerous – Seek Shelter (if you can’t see the lightning, just hearing the thunder is a good back-up rule). Wait 30 Minutes Or More After The Lightning Flash Before Leaving Shelter.

Is the 30-30 rule for thunderstorms?

Lightning 30/30 rule: If it takes less than 30 seconds to hear thunder after seeing the flash, lightning is near enough to pose a threat; after the storm ends, wait 30 minutes before resuming outdoor activities.

What is faster lightning or light?

Lightning travels at the speed of light, about 186,000 miles per second. This means that you see lightning pretty much when it happens. When lightning strikes, a noise is made which we call thunder. Thunder travels much slower, at the speed of sound, about 1088 feet per second.

Can dark travel faster than light?

Most of us already know that darkness is the absence of light, and that light travels at the fastest speed possible for a physical object. In this respect, darkness has the same speed as light.

Can lightning go through walls?

Lightning can travel through electrical systems, radio and television reception systems, and any metal wires or bars in concrete walls or flooring.

about 1088 feet per second
Lightning travels at the speed of light, about 186,000 miles per second. This means that you see lightning pretty much when it happens. When lightning strikes, a noise is made which we call thunder. Thunder travels much slower, at the speed of sound, about 1088 feet per second.

Suspend activities for at least 30 minutes after the last clap of thunder. If you are caught in an open area, act quickly to find adequate shelter. The most important action is to remove yourself from danger.

How far away is a storm if you hear the thunder 25 seconds after you see the lightning?

A general rule of thumb to know how far off a bolt of lightning is when you hear thunder, 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.

Why does thunder sound like a bomb?

The sound originates at the lightning. The superheated air rapidly expands and then collapses back into itself, that rapid expansion and collapse is the source of the sound. If that happenned at one spot, then all the sound would reach your ears at the same time and you would hear a single explosion.

Is it safe to watch TV during a thunderstorm?

It isn’t dangerous to watch TV during a thunderstorm, but the electronics in a TV set are vulnerable. If you have to make a telephone call, use a mobile phone detached from its cable rather than a landline device. Over-voltages resulting from a lightning strike may follow electrical conductors into the handset.

How far away is lightning when you hear thunder?

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.

Why is there a 30/30 rule?

The 30/30 rule is a recommendation to prevent the risk of a lightning strike during a thunderstorm that tells us when it´s time to look for refuge and when the danger is over.

How long does it take for the sound of Thunder to travel a mile?

It typically takes the sound of thunder 5 seconds to travel a mile. So, by counting the number of seconds it takes between the flash of lightning and the sound of thunder, you can determine how far you are from the lightning strike.

How long does it take to hear thunder after seeing Lightning?

The first 30 is 30 seconds. If it takes less than 30 seconds to hear thunder after seeing a lightning flash, the probability of being struck by lighting is great because the lightning is within 6 miles of your location.

How long does it take for the boom from lightning to reach the ground?

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.

How long does it take for Lightning to travel a mile?

If you hear the sound of a rumble, lightning is at least several miles away. To calculate the lightning thunder distance, you need to understand the difference between the speed of sound and light. It typically takes the sound of thunder 5 seconds to travel a mile.