What Causes Lightning Without Thunder Apr 2026

Generally, thunder is rarely heard more than 10 to 15 miles away from the strike.

While "heat lightning" isn't a threat to your immediate area, it is a reminder that a real thunderstorm is nearby. What Causes Lightning Without Thunder

Sound doesn't travel forever. While light can move through the atmosphere for hundreds of miles, thunder has a much shorter range. Generally, thunder is rarely heard more than 10

If the flashes get brighter or the intervals shorten, the storm may be heading your way. While light can move through the atmosphere for

We’ve all experienced those humid summer nights where the horizon pulses with light, yet the air remains perfectly still and silent. Many call it "heat lightning," fueled by the myth that hot air somehow generates sparks on its own.

💡 If you want to know how far away the lightning is, count the seconds between the flash and the bang. Every five seconds equals roughly one mile. If you can’t hear the bang at all, you’ve got at least a 15-mile head start!

If you see flashes, a storm is likely within 100 miles.

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