hurricane hurricane late season unusual tropical cyclone formed atlantic hurricane season minimal category hurricane saffir simpson hurricane scale developed center larger extratropical cyclone north_atlantic classified subtropical cyclone november independent parent storm grew fledged hurricane peaked intensity november ultimately dissipated merged system holds record northernmost formation november tropical subtropical cyclone atlantic_ocean attained hurricane strength unusual latitude contributed active record terms tropical cyclones stayed open waters effects land 11th named storm season lack damage retired meteorological history hurricane originated low pressure area formed frontal boundary near southeastern united_states approached day strengthened november broad cyclone located south newfoundland early day mass convection developed near core evolved separate vortex lack wind shear small cyclone developed subtropical storm utc executing tight loop rotated larger cyclone hours later storm strengthened gained tropical characteristics designated hurricane accompanied formation pronounced eye feature time situated miles west southwest azores development tropical cyclone non tropical storm rare unprecedented unnamed hurricane november formed manner classified hurricane gradually strengthened circulation distinguished surrounding trough emerged north_america steered hurricane eastward november reached peak intensity maximum sustained winds mph central barometric pressure reading mbar hpa inhg maintained strength approximately hours beginning weaken slightly accelerated northeast november storm eye ragged cyclone passed miles azores started signs deterioration trough north_atlantic developed dominant low pressure area turned northward periphery merged approaching system declared dissipated november records impact hurricane unusual aspects developed late hurricane season runs june november waters colder standard limit tropical cyclone formation marked north development november tropical subtropical cyclone record unnamed hurricane farther north subtropical storm late october moved south november attained category hurricane status farther north storm month unnamed hurricane hurricane higher latitude storm record surpassed hurricane reported time east hurricane days month november additionally maintained hurricane intensity reaching point extratropical hurricane lasted hurricane farther north month november hurricane november season notable having november hurricanes tied record november hurricanes later accomplished season later broke record hurricanes cyclone affected land result deaths damages occurred ship northwest center recorded mph winds air pressure mbar
Hurricane Karl (1980)