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Blitzortung (German for "lightning direction-finding", German pronunciation: [ˈblɪtsˌɔʁtʊŋ]) is an informal, non-commercial group of citizen scientists supported by professional scientists. Active since 2005, [ 1 ] station operators manage a worldwide network of ~1800 active VLF radio wave receiver stations in 83 countries. [ 2 ]
Lightning strike counter in a Museum Patio. Inexpensive portable lightning detectors as well as other single sensor lightning mappers, such as those used on aircraft, have limitations including detection of false signals and poor sensitivity, particularly for intracloud (IC) lightning. Professional-quality portable lightning detectors improve ...
There are about 40,000 thunderstorms per day, generating roughly 100 lightning strikes per second, [1] which can be thought to charge the earth like a battery. Thunderstorms generate an electrical potential difference between the earth's surface and the ionosphere, mainly by means of lightning returning current to ground. Because of this, the ...
Global map of lightning frequency--strikes/km 2 /yr. The high lightning areas are on land located in the tropics. Areas with almost no lightning are the Arctic and Antarctic, closely followed by the oceans which have only 0.1 to 1 strikes/km 2 /yr. The map on the right shows that lightning is not distributed evenly around the planet. [5]
AN/APG-81 Northrop Grumman AESA radar for F-35 Lightning II; AN/APG-82 for F-15E Strike Eagle upgrades, originally proposed as AN/APG-63(V)4; AN/APG-83 SABR Northrop Grumman AESA radar for F-16V Block 70/72 Viper standard new production and upgrades; AN/APG-84 RACR Raytheon AESA radar for F-16 Fighting Falcon upgrades
A ground current, the electricity that flows through the ground away from the point where lightning strikes, puts anyone nearby the strike at risk of shock.
Mr Reynolds, from Bow, east London, told the PA news agency: “There was thunder and frequent lightning through the early hours, then at 5.30am the storm broke overhead with an enormous crack and ...
World map showing frequency of lightning strikes, in flashes per km 2 per year (equal-area projection). Lightning strikes most frequently in the Democratic Republic of the Congo . Combined 1995–2003 data from the Optical Transient Detector and 1998–2003 data from the Lightning Imaging Sensor.
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