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Cloud-to-ground lightning in Portugal: patterns and dynamical forcing
2012
Natural Hazards and Earth System Sciences
<p><strong>Abstract.</strong> An analysis of the cloud-to-ground discharges (CGD) over Portugal is carried out using data collected by a network of sensors maintained by the Portuguese Meteorological Institute for 2003–2009 (7 yr). Only cloud-to-ground flashes are considered and negative polarity CGD are largely dominant. The total number of discharges reveals a considerable interannual variability and a large irregularity in their distribution throughout the year. However, it is shown that a
doi:10.5194/nhess-12-639-2012
fatcat:dsh73z276zg57ku2hykfrpo5ny