This is like a static electricity sparks you see, but much bigger. To fully understand how the water cycle works, we must first understand the principles of evaporation and condensation. A lightning strike is a brilliant electric spark discharge in the atmosphere. Lightning pdf professional free version download for pc. Satellite observation of lightning activities over sri lanka fig. Lightning forms because of an accumulation of electrical charges inside a cloud due to friction from dust, ice, and water droplets. Or, a leader stroke can go from the cloud to another cloud. Our systems are tested daily by mcafee and secured by ssl. Total lightning density fl km 2 yr 1 according to li s data during northeast monsoon season nem which is from december.
How can we download or view the pdf file using lightning component from documents in salesforce1 app, is it possible to do or not, if yes please suggest how can i achieve this. The physics of lightning lightning research laboratory university. This fre quently occurs within cumulonimbus clouds and their anvils. Lightning occurs as a result of a build up of static charges within a cumulonimbus cloud, often associated with the. Types of lightning lightning facts national weather service.
When the positive and negative charges grow large enough, a giant spark lightning occurs between the two charges within the cloud. This lightning bolt of energy that is let out is called a leader stroke. Most lightning strikes are made up of multiple individual strokes that. Intracloud lightning is sometimes called sheet lightning because it lights up the sky with a sheet of light. The three main kinds of lightning are distinguished by where they occur. The essence of lightning protection device is to prevent lightning strikes from taking place over or around an installation or structure. No one is sure why lightning bolts follow a zigzag path as they move. The file size of the latest downloadable setup file is 30 mb. Lightning safety rules the best shelter from lightning is inside a large enclosed. Plus, many positive lightning strikes occur near the edge of the cloud, sometimes as far as 10 miles away from any rainfall. The sun heats up the ground making water vapor warm fronts come and move the water vapor up how lightning occurs, how it occurs the water vapor soon condenses forming clouds but now the water droplets move up to the top colliding with each other making electric charges pos on the top and neg at the bottom.
Lightning basics noaa national severe storms laboratory. Pdf lightning a fundamental of atmospheric electricity. Pc tune up website creation software small business. Therefore, this type of lightning does not hit the ground. Note that the default here is the id of the content document. Fundamentals of lightning protection systems page 2 of 14 fundamentals of lightning protection systems, edition 1c september 2011. Presentations ppt, key, pdf logging in or signing up. Most lightning happens inside a cloud, but sometimes it happens between the cloud and the ground. The main bolt or stroke will go back up to the cloud. Lightning can occur between opposite charges within the thunderstorm cloud intracloud lightning or between opposite charges in the cloud and on the ground cloudtoground lightning. The bottom of a cloud becomes negatively charged and discharges a lightning strike when enough charge has built up. When cloudto ground lightning occurs, the flashes are displayed on the. Lightning begins with a process thats less mysterious. Pdf satellite observation of lightning activities over.
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