* NE PACIFIC TC GENESIS INDEX * * GFS VERSION * * EP952019 10/05/19 18 UTC * TIME (hr) 0 6 12 18 24 36 48 60 72 84 96 108 120 Prob of Genesis 50% 53% LAT (deg N) 15.3 15.3 15.4 15.6 15.9 16.3 12.3 12.1 11.7 13.2 13.5 13.9 13.7 LON (deg W) 128.5 129.5 130.4 131.3 132.4 134.5 136.7 138.2 141.2 140.9 141.2 141.1 141.4 DTL (km) 1968 2043 2104 2161 2229 2175 2093 1956 1694 1634 1597 1586 1567 TRACK SOURCE AP16 AP16 AP16 AP16 AP16 AP16 AP16 AP16 AP16 TABM TABM TABM TABM TCGI 0-48h Genesis Forecast: 50% is 1.1 times the sample mean ( 44%) TCGI 0-120h Genesis Forecast: 53% is 0.9 times the sample mean ( 56%) --------------------------------------------------------------------------------------------- INDIVIDUAL PREDICTOR CONTRIBUTIONS TO PROBABILITY OF GENESIS ******* 48-HR ****** ******* 120-HR ****** AVG TCGI CONT AVG TCGI CONT DIVERGENCE -2.0 -1.9 4.7% -2.0 -1.9 8.1% VORTICITY 1.6 1.4 11.4% 1.5 0.9 9.1% VERTICAL SHEAR 12.9 6.0 15.8% 14.9 11.7 23.0% RH 79.1 79.5 7.8% 74.8 72.7 4.8% GOES 42.9 26.8 4.4% 42.8 26.8 3.4% DVORAK 0.9 1.0 5.9% 0.9 1.0 4.0% --------------------------------------------------------------------------------------------- PREDICTOR DEFINITIONS (Averaged Over 500 km Radius) GENESIS CLIM = Climatological Prob (%) of Genesis (Source: NHC-TAFB Invest Database) DIVERGENCE = GFS 850 hPa Horizontal Divergence (x10-7 s-1) VORTICITY = GFS 850 hPa Vorticity (x10-6 s-1) VERTICAL SHEAR = GFS 200-850 hPa Vertical Shear (kt) RH = GFS 600-850 hPa Relative Humidity (%) GOES = GOES Water Vapor Pixels Colder than -40C (%) DVORAK = Dvorak T-number, source: TAFB Version 3.0, July 2018