WebMay 5, 2011 · The environmental factors consist of the collective area of the facility (Ae), its surrounding environment (C1) and the lightning flash density (Ng) of the area. There are different equations to determine the collective area of the facility based on the type of structure: standard rectangular structure, rectangular structure with prominent ... WebOct 7, 2003 · The ground flash density is estimated simple and with accuracy using NASA satellite's observations of average optical flash density for the geographical region of Hellas [33,34] and the...
LIGHTNING - Ground Flash Density - Lectro-Tech
Webto the ground flash density, Ng (km 2 yr1) by empirical equations of the form Ng = A Tdn where A and n are constants that depend on local conditions. Ng and Td were determined experimentally during each of the three lightning seasons studied and substituted into the equation to find the most suitable values of A and n for Gaborone. They were ... WebA climatology of lightning ground flash density is examined for the Australian region based on 18 years of data. The dataset and methodology used are consistent with that of a previous study... barbara y mercedes
Annual average TD/yr map of Saudi Arabia. (Color version …
WebNG: The lightning ground flash density which is the number of lightning flashes per km2 per year. AD: An equivalent collection area of the structure, taking into account correction factors for the structure’s physical … WebAug 16, 2005 · Ground flash density (Ng). The average annual ground flash density is the number of lightning flashes per square kilometre per year. Isokeraunic (or isoceraunic). The number of thunderstorms measured daily (Td/yr) i.e. Kampala, Uganda 185 Td/yr; Florida 110 Td/yr. Lightning flash. The complete lightning discharge, most often … WebJun 5, 2024 · Johannesburg has a lightning flash density between 11-18 flashes/ km 2 /year and while there are many sites in the world that have higher flash densities, it is unique in that Johannesburg is... barbara y kenia mori