Observation data: Thunder information and thunder countermeasures.
Franklin Japan started the operation of the Japan Lightning Detection Network (JLDN), the first and only nationwide lightning observation network in Japan, in October 1998. JLDN networks three types of sensors installed at 30 locations across the country (as of November 2009) through a combined system, utilizing accurate time information sent from GPS to observe the location, time, and current value of lightning strikes.
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◆◇◆Statistical Data◆◇◆ ◆Monthly Lightning Strike Count Nationwide (2005-2009: Including a 2600km square area of the Japanese archipelago) ◆Nationwide Lightning Density Map (2005-2009: 5-year accumulation / 20km mesh) ◆Nationwide Lightning Strike Days Map (2005-2009: 5-year accumulation / 20km mesh) ◆For more details, please contact us.
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Franklin Japan has been operating the Japan Lightning Detection Network (JLDN), the first and only nationwide lightning observation network in Japan, since October 1998. JLDN networks sensors installed across the country and utilizes accurate time information sent from GPS to observe the location, time, and current value of lightning strikes. The observation accuracy of JLDN boasts a capture rate of over 90% within its coverage area, with a location error of less than 500 meters, making it arguably the best lightning observation network in the world currently available. The observed lightning strike data is utilized in real-time for power management in factories, maintenance of networks, and protection of human life in outdoor sports.
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