How Far Ahead Can You Hear the Ice-Cream Van?: Ensemble Route Nowcasting From a Verandah Chime-Telemetry Network, Verified Against 31 Weekend RoundsResolving to How Far Ahead Can You Hear the Ice-Cream Van?: Ensemble Route Nowcasting From a Verandah Chime-Telemetry Network, Verified Against 31 Weekend Rounds…