![]() Direct strike – the person is part of a flash channel. ![]() Lightning strikes can injure humans in several different ways: The entire flash lasts only a fraction of a second. Lightning discharges are typically miles long, but certain types of horizontal discharges can be tens of miles in length. 2.5 cm) in diameter, but because of its extreme brilliance, it often looks much larger to the human eye and in photographs. The primary conducting channel, the bright, coursing light that may be seen and is called a "strike", is only about one inch ( ca. Most CG flashes only "strike" one physical location, referred to as a "termination". Ī single lightning event is a "flash", which is a complex, multistage process, some parts of which are not fully understood. The movement of aircraft through clouds can even cause lightning strikes. Lightning strikes the average commercial aircraft at least once a year, but modern engineering and design means this is rarely a problem. Most are intracloud (IC) lightning and cloud-to-cloud (CC), where discharges only occur high in the atmosphere. About 25% of all lightning events worldwide are strikes between the atmosphere and earth-bound objects. A less common type of strike, ground-to-cloud (GC) lightning, is upward-propagating lightning initiated from a tall grounded object and reaching into the clouds. Most originate in a cumulonimbus cloud and terminate on the ground, called cloud-to-ground (CG) lightning. The presence of multiple bolts shows this is a time-exposure photographĪ lightning strike is a lightning event in which the electric discharge takes place between the atmosphere and the ground. The metal tower acts as a colossal lightning conductor. ![]() Lightning striking the Eiffel Tower in 1902. ![]() In some cases, the nature of the item means that it is non-returnable, for example, due to hygiene/health and personal care/wellness/consumable nature of the product.Electric discharge between the atmosphere and the ground A lightning strike as seen from the village of Dolno Sonje, in a rural area south of Skopje, North Macedonia. Office Products and Wireless Returns Policy New electronic items fulfilled by Amazon AU can be returned for change of mind, for a replacement or a full refund of the purchase cost of the item within 30 days of receipt of delivery.For information about returning faulty electronics please see Returning Faulty Items. Please see our Amazon Global Store Returns policy and Refunds policy for more information about returning Amazon Global Store items.Ĭamera, Electronics and PC Returns Policy Please see About Marketplace Returns & Refunds for details on Seller returns policies. To return faulty items see our Returning Faulty Items policy.įor items ordered on from a seller that fulfils and ships its own inventory (also called a third party seller), any returns will be in accordance with the returns policy set by that seller (not the Amazon AU returns policies). This change of mind return policy is in addition to, and does not affect your rights under the Australian Consumer Law including any rights you may have in respect of faulty items. Unless otherwise stated, original shipping fees for change of mind returns are not refunded. Please Contact Us and see About Items That Can’t Be Returned. In some circumstances, these items may be eligible for a refund or a replacement (for example, if you receive the wrong item due to an Amazon AU error or if the item is faulty). In some cases, the nature of the item means that it is non-returnable, for example, due to hygiene/health and personal care/wellness/consumable nature of the product. You can return most new, unopened items fulfilled by Amazon AU within 30 days of receipt of delivery for a replacement or full refund of the price you paid for the item if you change your mind - see About Replacements and About Refunds.
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