Smooth channel lightning
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Lightning is a naturally occurring electrostatic discharge in which two electrically charged regions in the atmosphere or earth briefly equalize, releasing up to one gigajoule of energy in a moment. [ This discharge can generate a wide spectrum of electromagnetic radiation, ranging from extremely hot plasma produced by fast electron movement to dazzling bursts of visible light in the form of black-body radiation. Thunder is a sound generated by a shock wave that occurs when gases in the vicinity of a lightning strike experience a sudden increase in pressure. Lightning is usually seen during thunderstorms and other forms of energetic weather systems, but it can also happen during volcanic eruptions.
The three main types of lightning are differentiated by the location of their occurrence: inside a single thundercloud, between two clouds, or between a storm and the ground. Many other observational variations are known, such as “heat lightning,” which can be seen but not noticed from a great distance, dry lightning, which can trigger forest fires, and ball lightning, which is seldom observed scientifically.
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Smooth channel lightning is a colloquial term for a form of cloud-to-ground lightning strike that has no apparent branching and appears as a straight line with smooth curves rather than the jagged appearance of most lightning channels. They’re a type of positive lightning that’s commonly seen in or near the convective zones of severe thunderstorms in the north central United States. Extreme thunderstorms in this area are thought to have a “inverted tripole” charge structure, in which the main positive charge region is below the main negative charge region rather than above it, resulting in mainly positive cloud-to-ground lightning. Upward ground-to-cloud lightning flashes, which are usually negative flashes initiated by upward positive leaders from tall structures, are often referred to as “smooth channel lightning.”
Smooth channel lightning strike
During a thunderstorm, lightning is a strong electrical discharge. The electric current is extremely hot, causing the air around it to rapidly expand, resulting in thunder. It happens every now and then between the clouds. It goes from cloud to ground (in the rain) at times. It has the potential to hit a human if it travels from cloud to earth. Every year, about 2000 people are struck by lightning. Every second, 50 to 100 lightning bolts hit the Earth. The Empire State Building has been struck by lightning up to 500 times a year.
Lightning piqued Benjamin Franklin’s curiosity. He learned a lot about it, and in 1772, he was the first to demonstrate that a thunderstorm produces electricity. He proposed an experiment to test it in his book. Franklin did not, in reality, go out in a thunder storm and fly a kite to demonstrate the storm’s presence of electricity. Franklin might have been killed if that had happened, despite the fact that electricity can be conducted through the kite and down the string.
Powerful lightning bolt
It is undeniably distinct. Smooth channel lightning was captured on video in the Marlow region. Characteristics include not being jagged, not being branched, not appearing to pulse, and having long lazy curves. Here are some stills from the film.
Dan is right in his assessment of these lightning strikes… These are POSITIVE lightning strikes, with the forward stroke occurring on the ground and moving up to the cloud (GC lightning, opposed to CG in a sense).
Large supercells produce large areas of positively charged cloud content (thick anvil), and wind shear prevents the “natural” thunderstorms from producing excessive negative strokes. Downdrafts like the FFD carry positively charged cloud content down to the ground, where lightning strikes.
Featured image: On May 22, 2008 – This is a’smooth’ staccato style stroke with a positive GC (ground to cloud) appearance. Because of the lightning structure, these bolts often sound very different from other lightning (more like a sonic boom shock-wave / high-speed jet than a “crackling” sound) (smooth channel and more powerful current discharged). Tornado genesis is loosely linked to polarity “shifts” in supercells.