The tornado signature on radar images for 2015 occurrence in Marechal Cândido Rondon and Quatro Pontes, PR, Brazil
Keywords:
Vortex, Hook echo, radar, warning system, natural disasterAbstract
Tornadoes are columns of air in very high rotation, which have high
destructive power. The phenomenon happens in Brazil, but its occurrence is little
recognized. In this work, we intend to characterize the multiple vortex tornado that
occurred in Marechal Cândido Rondon and Quatro Pontes in 2015, to find out if
there was the possibility of identifying the hook echo in the radar image. For that, the
images made available by the Meteorology System of Paraná were compared with the
course of the phenomenon. The analyzes performed allowed the glimpse of a hook in
the area of occurrence, demonstrating that the event had a signature. However, the
subscription took place very quickly, with only 7 minutes in advance.
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