Yst ( Niwenglisc : tornado ) is ? stelan of wind þe swincþ ungem?tlice, hit is ?ssocieged mid an þunorstorm . Yst fint man an eallum landum ac mar micle ystas bleowað on þ?re Geanedan Rice ðon in oðrum landum. On þ?re midde ?e?nd þ? land is landscipe se hatte 'Ystlane"