https://www.miamiflightacademy.com//wp-content/uploads/2014/11/MiamiFlightAcademy.png00Miami Flight Academyhttps://www.miamiflightacademy.com//wp-content/uploads/2014/11/MiamiFlightAcademy.pngMiami Flight Academy2018-05-16 17:36:432018-05-16 17:36:43What is an indication that downdrafts have developed and the thunderstorm cell has entered the mature stage?