554 NOUS62 KCAE 101628 FTMCAE Message Date: Oct 10 2018 16:32:54 THE TORNADO DETECTION ALGORITHM FOR KCAE HAS BEEN SWITCHED TO "TROPICAL" MODE AS FOLLOWS. MIN 3D FEATURE DEPTH 1.6, MIN 3D FEAT LOW-LVL DELTA VEL 27, MIN TVS DE LTA VELOCITY 27.