《Table 3.Location of SP+CGs in comparison with those reported by WWLLN.In the second column, the val

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《"Locating Parent Lightning Strokes of Sprites Observed over a Mesoscale Convective System in Shandong Province, China"》

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During the summer of 2015，SpriteCam registered a total of 46 sprites that were produced over three nights，as listed in Table 1.In particular，a total of 38 sprites were recorded on 30July，which is probably the most productive sprite-producing weather system ever reported in China.There are four sprites that seem to be produced by the current surge during the long continuing current initiated by a weak return stroke（e.g.，Lu et al.，2013），and thus the parent stroke（which usually precedes the observation of sprites by a few to several tens of ms）is difficult to discern from the associated sferic signal.According to the associated broadband magnetic field，all the sprite-producing strokes were of positive polarity，transferring positive charge from thunderclouds to the ground.