That means plenty of storms that pass to the north and south of Will County will be visible to us, but we will never experience the rain or thunder that accompanies them. At night, this effect is compounded by the fact that lightning is more visible when it is dark.Īt night, you may be able to see lightning from as far as 100 miles away from the storm, but thunder is typically only heard within 10 miles to 15 miles of a storm, The Weather Channel reports. Light travels farther than sound, so you can see lightning from a thunderstorm from farther away than you can hear the thunder. However, because of differences in how fast light and sound travel and how sound is absorbed by the surrounding terrain we don't always experience them together. Both occur as the result of rapid expansion of masses of hot and cold air. Lightning can't exist without thunder - thunder is the sound lightning makes. Many people are under the false impression that high heat and humidity can cause lightning, but this isn't the case, according to the National Weather Service. In reality, what you may think is heat lightning is really just lightning from a thunderstorm that is too far away for you to experience its other effects - no rain, no wind, no thunder, just the sight of lightning off in the distance. What is often referred to as heat lightning is a commonly misunderstood weather phenomenon. In fact, heat lightning doesn't even exist. ![]() ![]() The lightning you saw off in the distance last night or last week or last month wasn't heat lightning.
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