`  == Karl 1980 ==  Looking at HURDAT, it seems that while the unnamed 1991 hurricane became a subtropical storm at 36.7°N, it did so late on October 31; by 0000 UTC on November 1, it had moved 0.7° south, which would have tied Karl's record of 36.0. Should I exclude the 1991 storm since it formed in October? –'''''' |  `