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Thunder is the sound caused by lightning. [ 1 ] [ 2 ] [ 3 ] Depending upon the distance from and nature of the lightning, it can range from a long, low rumble to a sudden, loud crack. The sudden increase in temperature and hence pressure caused by the lightning produces rapid expansion of the air in the path of a lightning bolt . [ 4 ]
The actual phenomenon that is sometimes called heat lightning is simply cloud-to-ground lightning that occurs very far away, with thunder that dissipates before it reaches the observer. [2] 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. [3]
The heavy snowfall tends to muffle the sound of the thunder so that it sounds more like a low rumble than the loud, sharp bang that is heard during regular thunderstorms. [ 2 ] Thundersnow can occur during a normal snowstorm that sustains strong vertical mixing which allows for favorable conditions for lightning and thunder to occur.
If historical trends hold, deaths by lightning will peak this month. Typically, 32 people die every year in the U.S., most of them while recreating.
A strange, low, rumbling sound that travels through walls and floors and seems to come from everywhere. At first, he was convinced the noise was from some kind of machinery, but he couldn’t find ...
There’s an old wives’ tale: If it thunders in the winter, it’ll snow in the next week. Well, we’re hearing thunder ...
Weather: Distant thunder, or loud sounds from wind damage. Atmospheric ducting of distant thunder or other loud sounds from far off. ("Ducting" is enhanced propagation of sound or radio waves over long distances, through the troposphere, by wave travel that's constrained between distinct air layers.) [9]
During extreme cold events, you may hear a loud boom and feel like you have experienced an earthquake. However, this event was more likely a cryoseism, also known as an ice quake or a frost quake ...