@brenosilva
Wind direction over S. Paolo on 19 Aug /12 UTC , were:
at surface : from South 10~25 km/h
at 1000m : SSW 15 km/h
at 3000m : W 55 km/h
at 5500m : W 60 km/h
Satellite images for that day, can be found:
https://apps.sentinel-hub.com/sentinel-playground/?source=S2&lat=-12.897489183755892&lng=-58.271484375&zoom=4&preset=1-NATURAL-COLOR&layers=B01,B02,B03&maxcc=100&gain=1.0&gamma=1.0&time=2019-02-01|2019-08-19&atmFilter=&showDates=true
and