Lightning protection guide by OBO

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Last revision 2020

Vydal: OBO BETTERMANN s. r. o. Autor: OBO BETTERMANN

Strana 11 z 288

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1. 1. Strong up-winds 100 km/h cause the light ice crystals move the upper area and the hail particles the lower area.1.1.1 Types thunderstorm Cold front thunderstorms develop when humid warm air meets front cold air.1 How lightning formed Storm fronts can occur when clouds expand to heights 15,000 metres. TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 11 Chapter General introduction . Impact and friction cause charge separation.1. 1.1.2 Charge separation When warm, damp air rises, the moisture the air condenses and, higher altitudes, ice crystals form.TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 A cold front How lightning forms negative and positive charges A heat thunderstorm 1. Heat thunderstorms are produced combination intense solar radiation and moist, warm air rising rapidly great heights