Case study: January 30th, 2017

An upper tropospheric cyclonic vortex over Paraguay favored convection in the south and southeast of Brazil. In the region of study, hail was reported in Jundiaí and Campinas (news here, here, here, here and here).

Lightning strike as detected by Brasildat network within a 180 km radius centered in Campinas can be seen below:

 

 

 

The following images show the CAPPI 3km from Radar São Roque (source CPTEC):

The following images show the VIL values:

The following images show the EchoTop 20dBz values:

Satellite images from GOES can be seen below:

GOES visible channel images (source CPTEC):

GOES IR (highlited) channel images (source CPTEC):

GOES WV channel images (source CPTEC):