How far away is lightning at 4 seconds?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.
How far away is lightning at 10 seconds?When you see the flash of a lightning bolt, you can start counting seconds and then divide to see how far away the lightning struck. If it takes 10 seconds for the thunder to roll in, the lightning struck about 2 miles or 3 kilometers away.
How far away is lightning after 1 second?Simply count the number of seconds between the flash and the sound of thunder and divide by 5 to get the distance in miles. So, 1 second = less than a mile (a fifth of a mile), 5 seconds = 1 mile, 20 seconds = 4 miles, etc.
How far away is lightning 30 seconds?The National Weather Service recommends taking cover if the time between the lightning flash and the rumble of thunder is 30 seconds or less, which indicates the lightning is about 6 miles away or closer.
How fast is lightning in seconds?Lightning travels at the speed of light, about 186,000 miles per second. This means that you see lightning pretty much when it happens.
VERIFY: Can you tell how far away lightning is by counting?
Is lightning faster than a bullet?Lightning travels at 5920 km per second. That is faster than a bullet fired from an assault rifle- 1000 metres per second.
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.
Can lightning strike you from 20 miles away?Lightning can travel 10 to 12 miles from a thunderstorm. This is often farther than the sound of thunder travels. That means that if you can hear thunder you are close enough to a storm to be in danger of being struck by lightning.
Can you see lightning 100 miles away?At night, it is possible to see the flashes of lightning from very far distances, up to 100 miles (160 km), but the sound does not carry that far.
Can lightning strike 50 miles away?TRUTH: Relax! Lightning can travel no more than 20-25 miles away from a storm, in even exceptional cases.
Why is thunder so loud?Why is thunder so loud? It's because the amount of electrical energy that flows from the cloud to the ground is so enormous: it's like a very big waterfall of electricity. The louder the sound that you hear, the closer you are to the lightning. Light travels through air much faster than sound.
Can a house protect you from lightning?Even though your home is a safe shelter during a lightning storm, you might still be at risk. About one-third of lightning-strike injuries occur indoors. Here are some tips to keep safe and reduce your risk of being struck by lightning while indoors. Avoid water.
How far away is safe lightning?While lightning has been recorded to strike at a distance of 10 miles, the rule of thumb used for safety is a six mile distance. Thus, seeking shelter is recommended if the lightning is six miles away or less. There are a number of lightning detectors on the market using various methods to determine lightning distance.
Can you see lightning 200 miles away?The speed of light is much faster and can travel much farther than the speed of sound. Lightning can be seen from 150 to 200 miles away on a clear, dark summer night as a storm approaches. Meanwhile, thunder can only be heard up to just 10 miles away.
How far away is lightning if you can't hear thunder?Lightning can strike far away from the storm:
Lightning can strike more than 10 miles away from a storm. "Bolts from the Blue" can strike up to 15 miles away from the center of a storm, so even if it's not raining and there are no clouds, lightning can still strike you from a nearby storm.