* NE PACIFIC TC GENESIS INDEX * * GFS VERSION * * EP952019 10/04/19 18 UTC * TIME (hr) 0 6 12 18 24 36 48 60 72 84 96 108 120 Prob of Genesis 45% 45% LAT (deg N) 15.0 15.6 16.2 16.7 17.4 16.3 16.1 17.2 18.5 18.9 20.1 21.9 24.3 LON (deg W) 126.3 127.0 128.3 129.1 129.7 132.3 132.8 133.8 133.5 133.8 134.0 134.2 134.2 DTL (km) 1823 1836 1881 1903 1899 2192 2248 2229 2149 2159 2108 1961 1764 TRACK SOURCE AP14 AP14 AP14 AP14 AP14 AP14 AP14 AP14 TABM TABM TABM TABM TABM TCGI 0-48h Genesis Forecast: 45% is 1.0 times the sample mean ( 44%) TCGI 0-120h Genesis Forecast: 45% is 0.8 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 -0.3 2.7% -2.0 -0.3 4.6% VORTICITY 1.6 1.6 11.8% 1.5 0.5 6.2% VERTICAL SHEAR 12.9 9.5 12.8% 14.9 11.4 22.4% RH 79.1 80.0 7.5% 74.8 68.7 4.1% GOES 42.9 30.1 4.6% 42.8 30.1 3.7% DVORAK 0.9 1.0 5.5% 0.9 1.0 3.9% --------------------------------------------------------------------------------------------- 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