Abstract: On the night of 19 September 1990, nine mini-supercell storms were observed over the Kanto Plain of Japan in the northeast quadrant of Typhoon 9019. Three storms out of nine spawned a tornado. The characteristics of the ...

Abstract: On the evening of 11 December 1990, two supercell storms bit the Chiba Prefecture, southeast of Tokyo, and spawned two tornadoes in Mobara and Kamogawa. The Mobara tornado caused the most severe tornado damage since 1960 ...