Meteor wind data obtained in three Brazilian sites [Sao Joao do Cariri (7.4S; 36.5W), Cachoeira Paulista (22.7S; 45W), and Santa Maria (29.7S; 53.8W)] have been used to study the atmospheric lunar tide in the Mesosphere and Lower Thermosfere (MLT). An unusual amplification of the lunar tide was simultaneously observed at these stations in January 2006 both in the zonal and in the meridional component. At Sao Joao do Cariri, the monthly amplitude of lunar tide was 56 % greater than the mean amplitude for this month in the meridional component, and 37 % greater than the mean amplitude in the zonal component. The lunar tide at Santa Maria, in this epoch, was around three times the mean values for both components. Cachoeira Paulista reveled an amplification of 40 % for the meridional, and 90 % for the zonal components. This increasing of the lunar tide occurred during an Northern Sudden Stratospheric Warming (SSW) event. Theoretical simulation has predicted that a Northern SSW could result in considerable amplitude changes in Southern hemisphere lunar tides. Therefore, we are presenting in this work, a likely evidence of this coupling mechanism as reveled from MLT winds.