Utah: Lightning strikes ground next to teen hikersAlthough the strike was not a direct one, it was severe enough to leave seven of the group needing hospital treatment.Tuesday 2 July 2024 15:13, UK Utah This is a modal window. undefined OK Close Modal Dialog A group of teenage hikers ...
A thunderclap happens when lightning strikes, heating the air around the bolt to as high “as 50,000 degrees Fahrenheit, 5 times hotter than the surface of the sun,” the National Weather Service said. “Immediately after the flash, the air cools and contracts quickly. This rapid expansion a...
Ave after lightning struck a chimney CBS Boston "The chimney kind of blew up when it got hit by the lightning," said Boston Fire District Chief Robert Counihan. "Lots of bricks fell down. Luckily nobody was walking by and no one got injured." Neighbors said the lightning strike ...
This heat causes surrounding air to rapidly expand and move, which creates the thunder we hear a short time after seeing a lightning flash. Lightning is not only spectacular; it’s dangerous. About 2,000 people are killed worldwide by lightning each year. Hundreds more survive strikes but ...
(contact and step voltages). This is achieved by lowering the resistance of the grounding electrodes and by equalizing the potential distribution in the area of the grounded equipment. Lightning-protection ground is intended to protect electrical equipment from the effects of lightning current; such ...
In terms of lightning safety, this photo demonstrates that numerous upward leaders can be produced near a lightning strike point and have the potential to damage or cause injury at more than one specific point on the ground.doi:10.1016/j.atmosres.2017.11.007Cummins, Kenneth L...
In the stratiform/dissipating mode, positive flashes occurred during the mature and dissipating stages of an MCS and peaked near or after the peak in negative flash rates. Ground strike locations were generally dispersed across a large area and were usually associated with either a dissipating ...
Define ground crew. ground crew synonyms, ground crew pronunciation, ground crew translation, English dictionary definition of ground crew. n. A team of mechanics and technicians that maintain and service aircraft on the ground. American Heritage® Dic
RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook ground resistance [′grau̇nd ri‚zis·təns] (electricity) Opposition of the earth to the flow of current through it; its value depends on the nature and moisture content of the soil, on the material,...
. It describes how aircraft are designed to limit the effects of a lightning strike and ensure that the safety of the flight is not impaired. It also recalls several safety precautions to take in flight and on the ground, and what must be done when an aircraft is struck by lightning....