Lightning strikes about 100 times every second of the day, mainly in warmer regions of the world. About 240,000 people are injured by lightning every year, and 24,000 die after being struck. But humans aren’t the only victims of lightning — animals are, too, though reports of such deaths are far rarer than the deaths themselves.
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A 21-year-old man drowned at sea following a lightning strike as he was returning to shore in a boat after a fishing trip on Sunday, 17/01/2016. Ng Young Ching had apparently fallen into the sea in the vicinity of the Sungai Ayam Lighthouse in Senggarang near Batu Pahat at about 5pm as he was returning to the Sungai Ayam fishing jetty, Batu Pahat Maritime Base maritime enforcement chief Lt Commander (Maritime) Muhammad Zulkarnain Abdullah said yesterday.
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Lightning can produce X-rays and gamma radiation. In the past, researchers thought that this phenomenon only lasted for a very short time, about a ten thousandth part of a second. However, the ionizing radiation of lightning appears to shine much longer than presumed: an afterglow of gamma radiation arises, which lasts up to 10,000 times longer. This is demonstrated for the first time by computer simulations of researchers from Centrum Wiskunde & Informatica (CWI) in Amsterdam. Their article 'TGF afterglows: a new radiation mechanism from thunderstorms' was published on 22 October 2017 in the scientific journal Geophysical Review Letters. This discovery can provide more insight into how lightning develops. Terrestrial gamma flashes ‘Terrestrial gamma flashes’ were discovered about two decades ago. When lightning starts, electrons can be accelerated to very high energies, which cause an explosion of gamma radiation when these electrons crash into air molecules: the so-called terrestrial gamma flashes'. Bursts of up to a trillion (‘a billion billion’) gamma particles are measured on the ground, in airplanes and by satellites. However, these measurements are difficult, since these bursts are very focused and only last for a short time, around 0,0001 seconds. There is still much unknown about how these terrestrial gamma flashes arise and what their role is in the development of lightning. The now discovered afterglow helps to study this phenomenon. Afterglow in all directions CWI researcher Casper Rutjes explains what happens in the newly discovered radiation mechanism. “The radiation of a terrestrial gamma flash is so strong that nuclear reactions can take place. When the gamma rays hit the atomic nuclei of the air molecules, the protons and neutrons, of which atomic nuclei exist, can be detached. The loose neutrons can wander longer and farther than protons because they don’t have electrical charge. After a while, the neutron is captured by another atomic nucleus, which can again produce gamma radiation. The high energy of the gamma ray flash, which is used in releasing neutrons, is, so to speak, temporarily stored in the released neutrons.” The CWI researchers calculated that in this way an afterglow of new gamma radiation occurs, which lasts for 1,000 to 10,000 times longer than the gamma ray flash itself and which is not focused but radiates into all directions, which facilitates measurements. Afterglow measured The CWI researchers found in the scientific literature hardly any measurements that corresponded to the predictions, because almost no one was done on the right time scale. Researcher Casper Rutjes says: “Recently, our simulations have also been confirmed by experiments. Almost simultaneously, G.S. Bowers et al. of the University of California Santa Cruz, have measured a clear afterglow of gamma ray flashes in Japan, after a lightning bolt struck a wind turbine. That article, ‘Gamma-ray signatures of neutrons from a terrestrial gamma-ray flash’, also appeared now in the scientific journal Geophysical Review Letters. Radiation risk About the radiation risk Rutjes says: “The chance of being hit directly by a terrestrial gamma ray flash is very small. If someone in a plane is hit directly by such a narrow terrestrial gamma ray flash, this person will receive a radiation dose approximately equal to 400 times an X-ray picture (30 mSv)[1]. The afterglow that we discovered radiates into all directions, increasing the chance that a plane flying above a thunderstorm is hit, but fortunately, that radiation is much weaker. The radiation dose of the afterglow after lightning is not dangerous: less than passengers already receive through background radiation when they fly for an hour.” The research was conducted by Casper Rutjes, Gabriel Diniz, Ivan Ferreira and Ute Ebert from Centrum Wiskunde & Informatica (CWI) in Amsterdam, and it was funded by the Netherlands Organisation for Scientific Research (NWO).
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According to WbMD, storm phobia is very real and should be taken seriously. Loyal masters are often awaken in the middle of the night – not from the thunder – but from the uninvited pet jumping in the bed looking for comfort from the storm. Cases of storm phobia in pets can be much more severe and should not be ignored. They say some pets have been known to “claw through drywall, chew carpets, or break through windows in their escalating panic.”
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On July 13, 1977, New York City endured a 25-hour blackout after lightning strikes power lines, prompting widespread arson, looting, and riots. The blackout was to many a metaphor for the gloom that had already settled on the city. An economic decline, coupled with rising crime rates and the panic-provoking (and paranoia-inducing) Son of Sam murders, had combined to make the late 1970s New York’s Dark Ages.
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According to research from RACQ nearly half of Queensland, Australia drivers will speed to avoid hail damage to their cars. The motoring club and insurer's research revealed 47% of motorists admitted to speeding to avoid hail damage to their cars - up from 44% last year. The research also found female drivers were more likely to speed (54.2%) than males (52%) when a storm hits.
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A massive 19th century storm in the pacific United States opened up a 300-mile-long sea that stretched through much of the central part of California. For 43 days, from late 1861 to early 1862, it rained almost nonstop in central California. Rivers running down the Sierra Nevada mountains turned into torrents that swept entire towns away.
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Lightning is an impressive, energetic force of nature — so why aren't we using all that raw power to run our homes? Two reasons: For one thing, lightning is unpredictable and really, really fast. The second part of the answer: It's hot and loud and bright, but lightning doesn't carry as much energy as you might think.
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All 11 members of a football team were killed by a bolt of lightning at during a match in the Democratic Republic of Congo. According to a Congolese newspaper that reported the incident, the other team was left unharmed!
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The probability of getting struck by lightning is statistically very rare, but alas, storm-attributed deaths and injuries stretch into the low thousands on an annual basis. About 96% of those struck were in open environments when hit. A majority — as you may expect — come from frequent participators in outdoor activities such as hiking, camping, and climbing. Industrial designer kama jania’s ‘bolt’ line of tents was created to increase the safety of those unfortunate to be in the wrong place when the weather turns.
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Mount Etna spectacularly exploded on the 3rd of December 2015 for the first time in two years, sending a plume of volcanic ash scorching through the sky. The cloud was lit up with the astonishing sight of a "dirty thunderstorm", which causes lightning to streak through a cloud of ash. This natural wonder occurs when tiny fragments of rock, ash and ice rub together to produce static electricity.
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Airplanes get hit by lightning mid-flight! Contrary to what you might believe, it’s a common occurrence on airplanes.
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Static charges form in a storm composed of ice crystals and liquid water drops. Turbulent winds inside the storm cause particles to rub against one another, causing electrons to be stripped off, making the particles either negatively or positively charged. The charges get grouped in the cloud, often negatively charged near the bottom of the cloud and positively charged up high. This is an electric field and because air is a good insulator, the electric field becomes incredibly strong. Eventually a lightning bolt happens and the flow of electrons neutralizes the electric field. This flow of electrons through the lightning bolt creates a very hot plasma, as hot as 50,000 degrees, that emits a spectrum of electromagnetic energy. Some of this radiation is in the form of radio waves and gamma rays. Instruments that measure these electromagnetic waves allow us to detect lightning bolts that are very far away. Visible light is also part of the spectrum of energy. At these temperatures, laws of physics state that most of the visible light will be at a wavelength perceived as the color blue, although all wavelengths will be emitted. The notion of color applies to our perception of what we see, not to the light itself. When we talk about the color of light, we really mean the color we sense with our eyes and then interpret with our mind. Thus, while the peak energy is at blue wavelengths, the intensity of all the colors tends to saturate our eyes, leading us to perceive the color white – which includes all wavelengths in the visible spectrum. Over the last 20 years scientists have discovered that lightning also shoots upward out of the top of thunderstorms into the upper atmosphere. These lightning types have distinctive colors, including red sprites and blue jets.
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1. Direct strike 2. Side flash 3. Ground current 4. Conduction 5.Streamers
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On April 3, 1856 a lightning strike obliterated 4000 people. The lightning stroke the Palace of the Grand Masters, Rhodes, Greece, which was used as an ammo storage, resulting in a massive explosion that killed 4,000 people in and around the Palace, reducing it to a pile of rubble that sat on Rhodes for almost a century.
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In the midst of a bizarre winter, Montrealers were treated to a rare sight on Monday night — a winter thunderstorm. Montrealers Jolyane Limoges and Pierre-Marc Doucet managed to capture the phenomenon during a snow squall, and post it on YouTube. The phenomenon is known as thundersnow — it's like a normal thunderstorm, but with snow as the primary form of precipitation. Thundersnow events happen when a mass of cold air settles on top of warm air, coupled with moist air closer to the ground.
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Mini-lightning may flash in the coldest craters on the moon, melting and vapourising soil. All that sparking could have altered the surface as much as impacts from incoming rocks and dust. The outer layer of the moon is a sort of history book recording the interactions between the moon and the rest of the solar system. To correctly interpret that history, we need to understand the mechanisms that shape it.
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On the 21st of August 2011, a thunderstorm forced the pope to cut short his speech to an estimated 1 million young pilgrims gathered at a Madrid airfield to mark World Youth Day. As rain soaked the crowd and lightning lit up the night sky on Saturday, the 84-year-old pontiff skipped the bulk of the speech and delivered brief greetings in half a dozen languages.
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Some call it Lake Erie’s “perfect storm,” one so powerful 100 years ago that it caused four ships to sink within 18 hours. In all, 49 lives were lost in the lake’s Canadian waters, but those crew members are being remembered right here in Toledo. “This massive [storm] affected communities across the lake,” said Carrie Snowden, archaeological director for the Toledo-based National Museum of the Great Lakes, and who is giving a presentation about the storm during a lecture series today. “This storm is Lake Erie’s own perfect storm; this coming together of different weather fronts to create something horrific on top of Lake Erie. The human loss is of greater significance.”
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Lightning bolt hit Vatican twice, hours after Pope's Benedict XVI's shock resignation. The lightning touched the roof of St. Peter's Basilica, one of the holiest Catholic churches, hours after Pope’s shock announcement. The spooky moment, believed by some, to be a sign from God, was caught on camera by AFP photographer Filippo Monteforte.
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