“…Namely, saturated moist air prevailed over most of the troposphere, and consequently neither a gust front accompanied by a sharp temperature drop nor a downburst was seen is this case. (Additionally, those characteristic features of tornadic storm were pointed out by Niino et al (1991) for the Mobara Tornado, though associated with an extratropical cyclone, on 11 December 1990.) In this tornado outbreak event, no convection echoes produced by coastal convergence were observed on the Tanegashima radar photos.…”