What Causes Lightning Without Thunder Site

While "heat lightning" isn't a threat to your immediate area, it is a reminder that a real thunderstorm is nearby.

If the flashes get brighter or the intervals shorten, the storm may be heading your way. What Causes Lightning Without Thunder

Thunder is a physical shockwave. As it travels, it interacts with different layers of air temperature. Sometimes, the sound waves are refracted (bent) upward into the higher atmosphere. This creates a "shadow zone" on the ground where the lightning is visible, but the sound literally passes over your head. Why Do We Call It "Heat Lightning"? While "heat lightning" isn't a threat to your

In reality, there is no such thing as silent lightning. Here is the science behind why you’re seeing the flash but missing the roar. Distance is the Deciding Factor As it travels, it interacts with different layers

Lightning can be seen from up to 100 miles away if the horizon is clear and the clouds are high.

The term exists because these silent flashes are most common on hot, muggy summer nights.