Total verification of tracks done in 2018
These tracks, or lack of those, have been earlier discussed in separate blog entries system-wise or time-wise:   Alberto  Beryl  Chris  Debby  Ernesto  Florence  Gordon  Helene  Isaac  Joyce  TD 11  Kirk  Leslie  Michael  Nadine  Oscar   Ghost storms Jan-Mar  Ghost storms Apr-May  Ghost storms Jun  Ghost storms Jul  Ghost storms Aug  Ghost storms Sep-Oct  Ghost storms Nov  December had no ghost storm tracks.   Xenophon  Since this total verification includes only North Atlantic systems, Xenophon is omitted.    I made 285  tracks of storms, that actually formed.  I made 457  tracks of ghost storms.  I missed 257  times cyclogenesis, which actually happened within 384 hours.   At the lead time of  1  day ( 24  hours), there were 7  hits, 18  false detections and 13  misses. 17  available position comparisons produce an average error of 96  nautical miles.   At the lead time of  2  days ( 48  hours), there were 19  hits, 34  false detections and 30  misses. 29  available position comparis...