Web25 mei 2024 · Thunder is the sound created by lightning, so if thunder can be heard, lightning is near. You can determine how near (in miles) by counting the number of seconds between a flash of lightning and a thunderclap and dividing that number by five. A severe thunderstorm warning. Web8 apr. 2024 · Yikes! For the entire day, Chicago witnessed 4,131 flashes of lightning -- of which 828 hit the ground somewhere within 30 miles of downtown. This is why they say when thunder roars, go indoors ...
Lightning - National Geographic Society
Weboften a second series of stepped flow of electrons moves from the cloud towards the ground and since the ionized channel is already there its much faster. (Stepped flow is called Dart leader) Thunder When are is heated by the electrical discharge of lightning it expands explosively and produces sound waves. Other sets by this creator WebThe cycling of air up and down is known as a thunderstorm cell. As air molecules move within the cloud, sliding past each other, they generate electric charges, which build up to form lightning. The sound you hear when lightning strikes is what is known as thunder. It normally occurs after you see the bolt of lightning. css 凹圆角
What Causes Lightning? Types of Lightning
Web15 jul. 2024 · Lightning Is A Giant Spark Of Electricity produced by thunderstorm.Electricity is formed when ice and water particles move around rapidly inside the clouds and bump into each other. … WebLightning is a naturally occurring electrostatic discharge during which two electrically charged regions, both in the atmosphere or with one on the ground, temporarily neutralize themselves, causing the instantaneous … Web1 dag geleden · Keep the negatively-charged snow pellets between the dotted lines! Click them as they fall so the updraft keeps them above the melting level. Lightning is produced between positive and negative charges. You can create cloud-to-ground lightning by clicking the cloud-to-ground lightning button once you have negative charge in the cloud … css 凹陷效果