and electrical irregularities that impact electrical and data-transmission systems on a broad scale. Flash EMPs and ground currents operate in the same manner, but they are more frequent and have much more localized effects on technology. Keraunopathy is the medical study of lightning casualties and associated treatment. References External links When lightning strikes people -NASA Lightning Safety Page – National Weather Service Pueblo Colorado Video footage - A Beech tree (Fagus sylvatica) that has been hit by lightning. Lightning ay:Lliju lliju