“…In the last three decades, the plasma bubbles have been largely studied in Brazil. Some aspects are well known, like the seasonality of occurrence (e.g., Sahai et al, 1998;Pimenta et al, 2001b;Sahai et al, 1999Sahai et al, , 2000Sobral et al, 2002;Paulino et al, 2007) and the relationship with the pre-reversal enhancement (PRE) after sunset (e.g., Batista et al, 1996;Abdu, 2005). The dynamic has also been exhaustively studied (e.g., Fagundes et al, 1995a,b;Santana et al, 2001;Pimenta et al, 2003a,b;Abalde et al, 2004;Arruda et al, 2006;Sobral et al, 2009Sobral et al, , 2011Paulino et al, 2010), and it is known that, during the magnetic quiet time, the plasma bubble zonal drifts are strongly coupled to the thermospheric wind, and are dependent on the solar cycle (e.g., Sahai et al, 2004).…”